./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/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 2d5e1e94b71e060a77443e2afd511bc50cc1649d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-03 11:22:06,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 11:22:06,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 11:22:06,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 11:22:06,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 11:22:06,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 11:22:06,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 11:22:06,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 11:22:06,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 11:22:06,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 11:22:06,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 11:22:06,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 11:22:06,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 11:22:06,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 11:22:06,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 11:22:06,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 11:22:06,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 11:22:06,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 11:22:06,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 11:22:06,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 11:22:06,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 11:22:06,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 11:22:06,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 11:22:06,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 11:22:06,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 11:22:06,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 11:22:06,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 11:22:06,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 11:22:06,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 11:22:06,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 11:22:06,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 11:22:06,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 11:22:06,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 11:22:06,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 11:22:06,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 11:22:06,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 11:22:06,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 11:22:06,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 11:22:06,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 11:22:06,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 11:22:06,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 11:22:06,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-03 11:22:07,012 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 11:22:07,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 11:22:07,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 11:22:07,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-03 11:22:07,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 11:22:07,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 11:22:07,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 11:22:07,016 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 11:22:07,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 11:22:07,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 11:22:07,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 11:22:07,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 11:22:07,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 11:22:07,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 11:22:07,018 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 11:22:07,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 11:22:07,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 11:22:07,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 11:22:07,019 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 11:22:07,019 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 11:22:07,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 11:22:07,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 11:22:07,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 11:22:07,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 11:22:07,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 11:22:07,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 11:22:07,021 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 11:22:07,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 11:22:07,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 11:22:07,022 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_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d5e1e94b71e060a77443e2afd511bc50cc1649d [2020-12-03 11:22:07,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 11:22:07,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 11:22:07,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 11:22:07,445 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 11:22:07,448 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 11:22:07,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2020-12-03 11:22:07,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/data/24a8d65f4/870eb793555241f38901f468da68fe57/FLAGca792f3c1 [2020-12-03 11:22:08,119 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 11:22:08,126 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2020-12-03 11:22:08,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/data/24a8d65f4/870eb793555241f38901f468da68fe57/FLAGca792f3c1 [2020-12-03 11:22:08,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/data/24a8d65f4/870eb793555241f38901f468da68fe57 [2020-12-03 11:22:08,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 11:22:08,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 11:22:08,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 11:22:08,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 11:22:08,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 11:22:08,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71033c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08, skipping insertion in model container [2020-12-03 11:22:08,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 11:22:08,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 11:22:08,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:22:08,778 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 11:22:08,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:22:08,822 INFO L208 MainTranslator]: Completed translation [2020-12-03 11:22:08,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08 WrapperNode [2020-12-03 11:22:08,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 11:22:08,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 11:22:08,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 11:22:08,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 11:22:08,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 11:22:08,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 11:22:08,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 11:22:08,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 11:22:08,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08" (1/1) ... [2020-12-03 11:22:08,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 11:22:08,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 11:22:08,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 11:22:08,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 11:22:08,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:22:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 11:22:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 11:22:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 11:22:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 11:22:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 11:22:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-03 11:22:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-03 11:22:09,296 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 11:22:09,296 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-03 11:22:09,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:22:09 BoogieIcfgContainer [2020-12-03 11:22:09,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 11:22:09,300 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-03 11:22:09,300 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-03 11:22:09,313 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-03 11:22:09,313 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:22:09" (1/1) ... [2020-12-03 11:22:09,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 11:22:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2020-12-03 11:22:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2020-12-03 11:22:09,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 11:22:09,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:22:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:09,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2020-12-03 11:22:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2020-12-03 11:22:09,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-03 11:22:09,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:22:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:09,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 84 transitions. [2020-12-03 11:22:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2020-12-03 11:22:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 11:22:09,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:22:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 86 transitions. [2020-12-03 11:22:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2020-12-03 11:22:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 11:22:10,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:10,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:22:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:10,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 86 transitions. [2020-12-03 11:22:10,153 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2020-12-03 11:22:10,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-03 11:22:10,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:10,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:22:10,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 88 transitions. [2020-12-03 11:22:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2020-12-03 11:22:10,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 11:22:10,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:10,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:22:11,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 98 transitions. [2020-12-03 11:22:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2020-12-03 11:22:11,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 11:22:11,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:22:11,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:11,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 102 transitions. [2020-12-03 11:22:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2020-12-03 11:22:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-03 11:22:11,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-03 11:22:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 57 states and 101 transitions. [2020-12-03 11:22:11,205 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2020-12-03 11:22:11,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-03 11:22:11,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-03 11:22:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 110 transitions. [2020-12-03 11:22:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2020-12-03 11:22:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-03 11:22:11,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-03 11:22:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 113 transitions. [2020-12-03 11:22:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2020-12-03 11:22:11,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-03 11:22:11,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-03 11:22:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 65 states and 121 transitions. [2020-12-03 11:22:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 121 transitions. [2020-12-03 11:22:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-03 11:22:11,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-03 11:22:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2020-12-03 11:22:11,688 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2020-12-03 11:22:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-03 11:22:11,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-03 11:22:11,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 124 transitions. [2020-12-03 11:22:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2020-12-03 11:22:11,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-03 11:22:11,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-03 11:22:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 126 transitions. [2020-12-03 11:22:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2020-12-03 11:22:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-03 11:22:11,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-03 11:22:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 69 states and 127 transitions. [2020-12-03 11:22:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2020-12-03 11:22:12,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-03 11:22:12,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-03 11:22:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 73 states and 134 transitions. [2020-12-03 11:22:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2020-12-03 11:22:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-03 11:22:13,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-03 11:22:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 77 states and 140 transitions. [2020-12-03 11:22:13,397 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 140 transitions. [2020-12-03 11:22:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-03 11:22:13,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:13,528 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-03 11:22:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 84 states and 156 transitions. [2020-12-03 11:22:13,813 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 156 transitions. [2020-12-03 11:22:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-03 11:22:13,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:13,931 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-03 11:22:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2020-12-03 11:22:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2020-12-03 11:22:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-03 11:22:13,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-03 11:22:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 162 transitions. [2020-12-03 11:22:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 162 transitions. [2020-12-03 11:22:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-03 11:22:14,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-03 11:22:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 89 states and 167 transitions. [2020-12-03 11:22:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 167 transitions. [2020-12-03 11:22:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-03 11:22:14,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-03 11:22:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 92 states and 172 transitions. [2020-12-03 11:22:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2020-12-03 11:22:14,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-03 11:22:14,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:14,506 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-03 11:22:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 95 states and 178 transitions. [2020-12-03 11:22:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 178 transitions. [2020-12-03 11:22:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-03 11:22:14,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-03 11:22:15,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 99 states and 185 transitions. [2020-12-03 11:22:15,224 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 185 transitions. [2020-12-03 11:22:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-03 11:22:15,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-03 11:22:15,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:15,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 102 states and 191 transitions. [2020-12-03 11:22:15,456 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 191 transitions. [2020-12-03 11:22:15,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-03 11:22:15,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-03 11:22:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 103 states and 193 transitions. [2020-12-03 11:22:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2020-12-03 11:22:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-03 11:22:15,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-03 11:22:15,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 104 states and 194 transitions. [2020-12-03 11:22:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2020-12-03 11:22:15,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-03 11:22:15,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-03 11:22:15,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 105 states and 195 transitions. [2020-12-03 11:22:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 195 transitions. [2020-12-03 11:22:15,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-03 11:22:15,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:15,904 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-03 11:22:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 107 states and 199 transitions. [2020-12-03 11:22:15,974 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 199 transitions. [2020-12-03 11:22:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-03 11:22:15,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-03 11:22:16,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 107 states and 198 transitions. [2020-12-03 11:22:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 198 transitions. [2020-12-03 11:22:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-03 11:22:16,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:16,239 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-03 11:22:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 111 states and 206 transitions. [2020-12-03 11:22:17,253 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 206 transitions. [2020-12-03 11:22:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-03 11:22:17,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-03 11:22:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 114 states and 210 transitions. [2020-12-03 11:22:17,618 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2020-12-03 11:22:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-03 11:22:17,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-03 11:22:17,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:17,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 117 states and 211 transitions. [2020-12-03 11:22:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 211 transitions. [2020-12-03 11:22:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-03 11:22:17,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-03 11:22:18,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:18,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 122 states and 219 transitions. [2020-12-03 11:22:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 219 transitions. [2020-12-03 11:22:18,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-03 11:22:18,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-03 11:22:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2020-12-03 11:22:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2020-12-03 11:22:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-03 11:22:18,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:18,414 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-03 11:22:18,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 125 states and 223 transitions. [2020-12-03 11:22:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 223 transitions. [2020-12-03 11:22:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-03 11:22:18,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-03 11:22:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 127 states and 226 transitions. [2020-12-03 11:22:18,593 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2020-12-03 11:22:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-03 11:22:18,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-03 11:22:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 130 states and 232 transitions. [2020-12-03 11:22:18,687 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 232 transitions. [2020-12-03 11:22:18,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-03 11:22:18,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-03 11:22:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:18,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 128 states and 227 transitions. [2020-12-03 11:22:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 227 transitions. [2020-12-03 11:22:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-03 11:22:18,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-12-03 11:22:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 129 states and 229 transitions. [2020-12-03 11:22:19,023 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2020-12-03 11:22:19,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-03 11:22:19,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:19,074 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-12-03 11:22:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 130 states and 231 transitions. [2020-12-03 11:22:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2020-12-03 11:22:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-03 11:22:19,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-03 11:22:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 131 states and 232 transitions. [2020-12-03 11:22:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 232 transitions. [2020-12-03 11:22:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-03 11:22:19,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-03 11:22:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 130 states and 229 transitions. [2020-12-03 11:22:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 229 transitions. [2020-12-03 11:22:19,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-03 11:22:19,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-12-03 11:22:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 124 states and 219 transitions. [2020-12-03 11:22:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 219 transitions. [2020-12-03 11:22:19,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-03 11:22:19,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-03 11:22:19,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 125 states and 220 transitions. [2020-12-03 11:22:19,923 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 220 transitions. [2020-12-03 11:22:19,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-03 11:22:19,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-03 11:22:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 119 states and 211 transitions. [2020-12-03 11:22:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 211 transitions. [2020-12-03 11:22:20,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-03 11:22:20,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-03 11:22:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 92 states and 148 transitions. [2020-12-03 11:22:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2020-12-03 11:22:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-03 11:22:20,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:20,264 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-03 11:22:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 90 states and 145 transitions. [2020-12-03 11:22:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 145 transitions. [2020-12-03 11:22:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-03 11:22:20,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-03 11:22:20,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:20,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 92 states and 149 transitions. [2020-12-03 11:22:20,533 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 149 transitions. [2020-12-03 11:22:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-03 11:22:20,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-03 11:22:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 84 states and 137 transitions. [2020-12-03 11:22:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 137 transitions. [2020-12-03 11:22:20,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-03 11:22:20,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-03 11:22:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 83 states and 135 transitions. [2020-12-03 11:22:20,677 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2020-12-03 11:22:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-03 11:22:20,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:22:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:22:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-03 11:22:20,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:22:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 64 states and 108 transitions. [2020-12-03 11:22:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2020-12-03 11:22:20,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 11:22:20,724 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2020-12-03 11:22:20,731 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-03 11:22:21,194 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-03 11:22:21,200 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-03 11:22:21,200 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-03 11:22:21,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 11:22:21 ImpRootNode [2020-12-03 11:22:21,201 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-03 11:22:21,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 11:22:21,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 11:22:21,203 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 11:22:21,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:22:09" (3/4) ... [2020-12-03 11:22:21,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 11:22:21,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-12-03 11:22:21,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-03 11:22:21,239 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-03 11:22:21,239 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-03 11:22:21,240 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 11:22:21,329 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ec683ed4-b3c8-4ff9-88af-5e9440264cb2/bin/ukojak/witness.graphml [2020-12-03 11:22:21,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 11:22:21,332 INFO L168 Benchmark]: Toolchain (without parser) took 12881.76 ms. Allocated memory was 94.4 MB in the beginning and 211.8 MB in the end (delta: 117.4 MB). Free memory was 58.4 MB in the beginning and 74.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 16.1 GB. [2020-12-03 11:22:21,336 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:22:21,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.35 ms. Allocated memory is still 94.4 MB. Free memory was 58.2 MB in the beginning and 71.2 MB in the end (delta: -13.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 11:22:21,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.49 ms. Allocated memory is still 94.4 MB. Free memory was 71.2 MB in the beginning and 69.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:22:21,337 INFO L168 Benchmark]: Boogie Preprocessor took 29.05 ms. Allocated memory is still 94.4 MB. Free memory was 69.6 MB in the beginning and 68.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:22:21,338 INFO L168 Benchmark]: RCFGBuilder took 400.59 ms. Allocated memory is still 94.4 MB. Free memory was 68.3 MB in the beginning and 50.2 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-03 11:22:21,338 INFO L168 Benchmark]: CodeCheck took 11900.67 ms. Allocated memory was 94.4 MB in the beginning and 211.8 MB in the end (delta: 117.4 MB). Free memory was 50.2 MB in the beginning and 77.8 MB in the end (delta: -27.6 MB). Peak memory consumption was 92.5 MB. Max. memory is 16.1 GB. [2020-12-03 11:22:21,339 INFO L168 Benchmark]: Witness Printer took 127.89 ms. Allocated memory is still 211.8 MB. Free memory was 77.8 MB in the beginning and 74.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:22:21,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.3s, OverallIterations: 53, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 33685504 SDtfs, 2076442816 SDslu, -965115388 SDs, 0 SdLazy, -2073744176 SolverSat, 1923170280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22479 GetRequests, 21947 SyntacticMatches, 414 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7927 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1892 NumberOfCodeBlocks, 1892 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1840 ConstructedInterpolants, 0 QuantifiedInterpolants, 159795 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 30 PerfectInterpolantSequences, 2128/2250 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: 12]: 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: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 371.35 ms. Allocated memory is still 94.4 MB. Free memory was 58.2 MB in the beginning and 71.2 MB in the end (delta: -13.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.49 ms. Allocated memory is still 94.4 MB. Free memory was 71.2 MB in the beginning and 69.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.05 ms. Allocated memory is still 94.4 MB. Free memory was 69.6 MB in the beginning and 68.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 400.59 ms. Allocated memory is still 94.4 MB. Free memory was 68.3 MB in the beginning and 50.2 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 11900.67 ms. Allocated memory was 94.4 MB in the beginning and 211.8 MB in the end (delta: 117.4 MB). Free memory was 50.2 MB in the beginning and 77.8 MB in the end (delta: -27.6 MB). Peak memory consumption was 92.5 MB. Max. memory is 16.1 GB. * Witness Printer took 127.89 ms. Allocated memory is still 211.8 MB. Free memory was 77.8 MB in the beginning and 74.6 MB in the end (delta: 3.1 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...