./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ee3fbac20f2e3901a6c722d8c87f09ca9b3135c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:14:13,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:14:13,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:14:13,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:14:13,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:14:13,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:14:13,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:14:13,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:14:13,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:14:13,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:14:13,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:14:13,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:14:13,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:14:13,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:14:13,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:14:13,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:14:13,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:14:13,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:14:13,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:14:13,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:14:13,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:14:13,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:14:13,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:14:13,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:14:13,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:14:13,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:14:13,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:14:13,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:14:13,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:14:13,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:14:13,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:14:13,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:14:13,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:14:13,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:14:13,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:14:13,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:14:13,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:14:13,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:14:13,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:14:13,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:14:13,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:14:13,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2020-12-01 16:14:14,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:14:14,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:14:14,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:14:14,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:14:14,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:14:14,021 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:14:14,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:14:14,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:14:14,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:14:14,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:14:14,024 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:14:14,024 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:14:14,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:14:14,024 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:14:14,025 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:14:14,025 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:14:14,025 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:14:14,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:14:14,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:14:14,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:14:14,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:14:14,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:14:14,027 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:14:14,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:14:14,028 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_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ee3fbac20f2e3901a6c722d8c87f09ca9b3135c [2020-12-01 16:14:14,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:14:14,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:14:14,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:14:14,389 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:14:14,390 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:14:14,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2020-12-01 16:14:14,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/data/5965a7713/1a92ed63a02b420db76aa162a75483cd/FLAGe816d5e2a [2020-12-01 16:14:15,137 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:14:15,137 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2020-12-01 16:14:15,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/data/5965a7713/1a92ed63a02b420db76aa162a75483cd/FLAGe816d5e2a [2020-12-01 16:14:15,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/data/5965a7713/1a92ed63a02b420db76aa162a75483cd [2020-12-01 16:14:15,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:14:15,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:14:15,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:15,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:14:15,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:14:15,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:15" (1/1) ... [2020-12-01 16:14:15,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2b9340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:15, skipping insertion in model container [2020-12-01 16:14:15,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:15" (1/1) ... [2020-12-01 16:14:15,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:14:15,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:14:15,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:15,883 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:14:15,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:16,047 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:14:16,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16 WrapperNode [2020-12-01 16:14:16,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:16,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:16,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:14:16,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:14:16,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16" (1/1) ... [2020-12-01 16:14:16,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16" (1/1) ... [2020-12-01 16:14:16,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:16,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:14:16,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:14:16,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:14:16,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16" (1/1) ... [2020-12-01 16:14:16,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16" (1/1) ... [2020-12-01 16:14:16,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16" (1/1) ... [2020-12-01 16:14:16,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16" (1/1) ... [2020-12-01 16:14:16,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16" (1/1) ... [2020-12-01 16:14:16,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16" (1/1) ... [2020-12-01 16:14:16,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16" (1/1) ... [2020-12-01 16:14:16,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:14:16,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:14:16,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:14:16,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:14:16,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/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 [2020-12-01 16:14:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:14:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:14:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:14:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:14:17,153 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:14:17,153 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-12-01 16:14:17,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:17 BoogieIcfgContainer [2020-12-01 16:14:17,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:14:17,158 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:14:17,160 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:14:17,171 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:14:17,172 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:17" (1/1) ... [2020-12-01 16:14:17,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:14:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 87 transitions. [2020-12-01 16:14:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2020-12-01 16:14:17,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:14:17,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 69 states and 85 transitions. [2020-12-01 16:14:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2020-12-01 16:14:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:14:17,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:17,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 68 states and 84 transitions. [2020-12-01 16:14:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2020-12-01 16:14:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:14:17,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:17,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 67 states and 83 transitions. [2020-12-01 16:14:17,696 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2020-12-01 16:14:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:14:17,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:17,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2020-12-01 16:14:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2020-12-01 16:14:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:14:17,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:14:18,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 81 states and 103 transitions. [2020-12-01 16:14:18,227 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2020-12-01 16:14:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:14:18,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 83 states and 105 transitions. [2020-12-01 16:14:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2020-12-01 16:14:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:14:18,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:19,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 87 states and 113 transitions. [2020-12-01 16:14:19,873 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2020-12-01 16:14:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:14:19,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:20,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:20,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 89 states and 114 transitions. [2020-12-01 16:14:20,434 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2020-12-01 16:14:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:14:20,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 89 states and 113 transitions. [2020-12-01 16:14:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 113 transitions. [2020-12-01 16:14:21,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:14:21,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:14:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 106 states and 147 transitions. [2020-12-01 16:14:23,828 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 147 transitions. [2020-12-01 16:14:23,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:14:23,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:14:24,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 110 states and 154 transitions. [2020-12-01 16:14:24,768 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 154 transitions. [2020-12-01 16:14:24,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:14:24,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:14:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2020-12-01 16:14:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2020-12-01 16:14:25,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:14:25,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:14:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:25,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 114 states and 158 transitions. [2020-12-01 16:14:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 158 transitions. [2020-12-01 16:14:25,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:14:25,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:14:27,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 119 states and 168 transitions. [2020-12-01 16:14:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2020-12-01 16:14:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:14:27,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:14:30,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 124 states and 180 transitions. [2020-12-01 16:14:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2020-12-01 16:14:30,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:14:30,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 128 states and 188 transitions. [2020-12-01 16:14:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2020-12-01 16:14:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:14:31,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 130 states and 189 transitions. [2020-12-01 16:14:32,391 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 189 transitions. [2020-12-01 16:14:32,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:14:32,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:14:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 134 states and 196 transitions. [2020-12-01 16:14:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 196 transitions. [2020-12-01 16:14:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:14:36,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:14:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 134 states and 195 transitions. [2020-12-01 16:14:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 195 transitions. [2020-12-01 16:14:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:14:36,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:37,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 147 states and 216 transitions. [2020-12-01 16:14:43,183 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2020-12-01 16:14:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:14:43,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:49,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 160 states and 236 transitions. [2020-12-01 16:14:49,816 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 236 transitions. [2020-12-01 16:14:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:14:49,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:14:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 165 states and 245 transitions. [2020-12-01 16:14:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 245 transitions. [2020-12-01 16:14:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:14:53,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:14:55,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:55,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 170 states and 258 transitions. [2020-12-01 16:14:55,831 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 258 transitions. [2020-12-01 16:14:55,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:14:55,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:14:59,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:59,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 175 states and 273 transitions. [2020-12-01 16:14:59,805 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 273 transitions. [2020-12-01 16:14:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:14:59,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:00,635 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 187 states and 291 transitions. [2020-12-01 16:15:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 291 transitions. [2020-12-01 16:15:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:15:13,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 209 states and 339 transitions. [2020-12-01 16:15:41,847 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 339 transitions. [2020-12-01 16:15:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:15:41,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:45,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:45,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 212 states and 349 transitions. [2020-12-01 16:15:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 349 transitions. [2020-12-01 16:15:45,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:15:45,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:46,981 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:15:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2020-12-01 16:15:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2020-12-01 16:15:52,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:15:52,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:15:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:57,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 226 states and 372 transitions. [2020-12-01 16:15:57,854 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 372 transitions. [2020-12-01 16:15:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:15:57,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:58,325 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:16:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 232 states and 390 transitions. [2020-12-01 16:16:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 390 transitions. [2020-12-01 16:16:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:16:03,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:16:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 234 states and 392 transitions. [2020-12-01 16:16:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 392 transitions. [2020-12-01 16:16:05,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:16:05,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:16:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 236 states and 393 transitions. [2020-12-01 16:16:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 393 transitions. [2020-12-01 16:16:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:16:09,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:16:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 239 states and 398 transitions. [2020-12-01 16:16:12,155 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 398 transitions. [2020-12-01 16:16:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:16:12,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:16:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:15,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 242 states and 408 transitions. [2020-12-01 16:16:15,405 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2020-12-01 16:16:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:16:15,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:16:18,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 245 states and 414 transitions. [2020-12-01 16:16:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 414 transitions. [2020-12-01 16:16:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:16:18,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:16:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:21,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 248 states and 418 transitions. [2020-12-01 16:16:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 418 transitions. [2020-12-01 16:16:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:16:21,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:17:08,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:08,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 269 states and 462 transitions. [2020-12-01 16:17:08,617 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 462 transitions. [2020-12-01 16:17:08,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:17:08,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:17:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:16,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 272 states and 471 transitions. [2020-12-01 16:17:16,199 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 471 transitions. [2020-12-01 16:17:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:17:16,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:17:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 275 states and 479 transitions. [2020-12-01 16:17:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 479 transitions. [2020-12-01 16:17:23,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:17:23,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:17:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 275 states and 478 transitions. [2020-12-01 16:17:23,888 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 478 transitions. [2020-12-01 16:17:23,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:17:23,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:17:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 278 states and 482 transitions. [2020-12-01 16:17:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 482 transitions. [2020-12-01 16:17:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:17:26,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:17:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:29,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 281 states and 486 transitions. [2020-12-01 16:17:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 486 transitions. [2020-12-01 16:17:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:17:29,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:17:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 282 states and 490 transitions. [2020-12-01 16:17:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 490 transitions. [2020-12-01 16:17:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:17:32,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:17:36,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:36,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 283 states and 492 transitions. [2020-12-01 16:17:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 492 transitions. [2020-12-01 16:17:36,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:17:36,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:17:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 287 states and 503 transitions. [2020-12-01 16:17:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 503 transitions. [2020-12-01 16:17:44,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:17:44,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:18:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 296 states and 525 transitions. [2020-12-01 16:18:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 525 transitions. [2020-12-01 16:18:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:18:06,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:18:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:35,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 305 states and 550 transitions. [2020-12-01 16:18:35,097 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 550 transitions. [2020-12-01 16:18:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:18:35,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:18:44,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 308 states and 556 transitions. [2020-12-01 16:18:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 556 transitions. [2020-12-01 16:18:44,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:18:44,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:19:15,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 316 states and 573 transitions. [2020-12-01 16:19:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 573 transitions. [2020-12-01 16:19:15,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:19:15,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:19:26,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:26,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 319 states and 577 transitions. [2020-12-01 16:19:26,500 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 577 transitions. [2020-12-01 16:19:26,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:19:26,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:26,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:19:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:38,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 322 states and 581 transitions. [2020-12-01 16:19:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 581 transitions. [2020-12-01 16:19:38,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:19:38,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:38,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:19:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 325 states and 585 transitions. [2020-12-01 16:19:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 585 transitions. [2020-12-01 16:19:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:19:51,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:19:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 328 states and 591 transitions. [2020-12-01 16:19:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 591 transitions. [2020-12-01 16:19:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:19:58,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:10,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 331 states and 597 transitions. [2020-12-01 16:20:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 597 transitions. [2020-12-01 16:20:10,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:20:10,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:20:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 339 states and 614 transitions. [2020-12-01 16:20:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 614 transitions. [2020-12-01 16:20:25,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:20:25,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 346 states and 628 transitions. [2020-12-01 16:20:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 628 transitions. [2020-12-01 16:20:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:20:48,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:20:57,881 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-12-01 16:21:01,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 346 states and 627 transitions. [2020-12-01 16:21:01,184 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 627 transitions. [2020-12-01 16:21:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:21:01,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:21:12,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:12,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 347 states and 628 transitions. [2020-12-01 16:21:12,822 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 628 transitions. [2020-12-01 16:21:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:21:12,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:13,195 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:21:13,933 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-01 16:21:24,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 347 states and 626 transitions. [2020-12-01 16:21:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 626 transitions. [2020-12-01 16:21:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:21:24,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:21:24,160 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:21:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:21:24,180 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:21:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:21:24,309 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:21:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:21:24,353 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:21:26,215 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 60 iterations. [2020-12-01 16:21:26,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:21:26 ImpRootNode [2020-12-01 16:21:26,278 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:21:26,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:21:26,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:21:26,280 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:21:26,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:17" (3/4) ... [2020-12-01 16:21:26,283 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:21:26,363 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f0ac1bf4-ccbb-4368-ac97-cbe486ca876b/bin/ukojak/witness.graphml [2020-12-01 16:21:26,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:21:26,365 INFO L168 Benchmark]: Toolchain (without parser) took 430958.14 ms. Allocated memory was 90.2 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 67.7 MB in the beginning and 581.4 MB in the end (delta: -513.7 MB). Peak memory consumption was 735.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:26,366 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 90.2 MB. Free memory was 65.2 MB in the beginning and 65.1 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:21:26,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.60 ms. Allocated memory is still 90.2 MB. Free memory was 67.5 MB in the beginning and 44.1 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:26,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.24 ms. Allocated memory is still 90.2 MB. Free memory was 43.9 MB in the beginning and 41.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:26,369 INFO L168 Benchmark]: Boogie Preprocessor took 54.86 ms. Allocated memory is still 90.2 MB. Free memory was 41.6 MB in the beginning and 39.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:26,370 INFO L168 Benchmark]: RCFGBuilder took 978.80 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 39.7 MB in the beginning and 84.1 MB in the end (delta: -44.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:26,371 INFO L168 Benchmark]: CodeCheck took 429120.45 ms. Allocated memory was 109.1 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 84.1 MB in the beginning and 585.6 MB in the end (delta: -501.5 MB). Peak memory consumption was 727.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:26,372 INFO L168 Benchmark]: Witness Printer took 84.93 ms. Allocated memory is still 1.3 GB. Free memory was 585.6 MB in the beginning and 581.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:26,377 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, 69 locations, 25 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 429.0s, OverallIterations: 60, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6296448 SDtfs, 996361652 SDslu, 36701984 SDs, 0 SdLazy, 604291254 SolverSat, -255972922 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 95.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13473 GetRequests, 12212 SyntacticMatches, 271 SemanticMatches, 990 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425173 ImplicationChecksByTransitivity, 418.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 36.6s InterpolantComputationTime, 1511 NumberOfCodeBlocks, 1511 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 1421 ConstructedInterpolants, 0 QuantifiedInterpolants, 256636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 59 InterpolantComputations, 29 PerfectInterpolantSequences, 402/607 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 - CounterExampleResult [Line: 12]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L620] int len = from; [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L627] const int len = _get_nondet_int(2, 5); [L628] SLL s = sll_create(len); [L575] SLL head = ((void *)0); [L576] EXPR len-- [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) [L581] new_head->next = head [L582] head = new_head [L576] EXPR len-- [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) [L581] new_head->next = head [L582] head = new_head [L576] EXPR len-- [L576] COND FALSE !(len-- > 0) [L584] return head; [L628] SLL s = sll_create(len); [L620] int len = from; [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() [L621] COND TRUE len < until && __VERIFIER_nondet_int() [L622] len++ [L621] len < until && __VERIFIER_nondet_int() [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L629] const int k = _get_nondet_int(0, len - 1); [L630] int i = 0; [L631] i < k && __VERIFIER_nondet_int() [L631] i < k && __VERIFIER_nondet_int() [L631] COND FALSE !(i < k && __VERIFIER_nondet_int()) [L636] EXPR \read(s) [L587] int len = 0; [L588] COND TRUE \read(head) [L589] len++ [L590] EXPR head->next [L590] head = head->next [L588] COND TRUE \read(head) [L589] len++ [L590] EXPR head->next [L590] head = head->next [L588] COND FALSE !(\read(head)) [L592] return len; [L636] COND TRUE k + len != sll_length(s) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "sll_nondet_insert-1.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 90.2 MB. Free memory was 65.2 MB in the beginning and 65.1 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 640.60 ms. Allocated memory is still 90.2 MB. Free memory was 67.5 MB in the beginning and 44.1 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.24 ms. Allocated memory is still 90.2 MB. Free memory was 43.9 MB in the beginning and 41.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.86 ms. Allocated memory is still 90.2 MB. Free memory was 41.6 MB in the beginning and 39.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 978.80 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 39.7 MB in the beginning and 84.1 MB in the end (delta: -44.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * CodeCheck took 429120.45 ms. Allocated memory was 109.1 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 84.1 MB in the beginning and 585.6 MB in the end (delta: -501.5 MB). Peak memory consumption was 727.2 MB. Max. memory is 16.1 GB. * Witness Printer took 84.93 ms. Allocated memory is still 1.3 GB. Free memory was 585.6 MB in the beginning and 581.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...