./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-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_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/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 462c34e9f51057faedad8f148a3437a4550c80b7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:17:57,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:17:57,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:17:57,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:17:57,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:17:57,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:17:57,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:17:57,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:17:57,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:17:57,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:17:57,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:17:57,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:17:57,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:17:57,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:17:57,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:17:57,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:17:57,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:17:57,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:17:57,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:17:57,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:17:57,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:17:57,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:17:57,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:17:57,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:17:57,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:17:57,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:17:57,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:17:57,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:17:57,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:17:57,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:17:57,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:17:57,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:17:57,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:17:57,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:17:57,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:17:57,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:17:57,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:17:57,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:17:57,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:17:57,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:17:57,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:17:57,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2020-12-01 18:17:58,000 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:17:58,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:17:58,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:17:58,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:17:58,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:17:58,003 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:17:58,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:17:58,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:17:58,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:17:58,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:17:58,005 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 18:17:58,005 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 18:17:58,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:17:58,005 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:17:58,006 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:17:58,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:17:58,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:17:58,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:17:58,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:17:58,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:17:58,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:17:58,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:17:58,008 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:17:58,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:17:58,008 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_5aa4eed3-880a-4a87-994e-d340a892e6dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462c34e9f51057faedad8f148a3437a4550c80b7 [2020-12-01 18:17:58,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:17:58,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:17:58,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:17:58,342 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:17:58,343 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:17:58,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i [2020-12-01 18:17:58,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/data/ca6d94408/72cdbeaf654d46c18e299d876cb245c6/FLAG4fcb6e402 [2020-12-01 18:17:59,148 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:17:59,149 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i [2020-12-01 18:17:59,164 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/data/ca6d94408/72cdbeaf654d46c18e299d876cb245c6/FLAG4fcb6e402 [2020-12-01 18:17:59,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/data/ca6d94408/72cdbeaf654d46c18e299d876cb245c6 [2020-12-01 18:17:59,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:17:59,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:17:59,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:17:59,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:17:59,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:17:59,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:17:59" (1/1) ... [2020-12-01 18:17:59,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245d2ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:59, skipping insertion in model container [2020-12-01 18:17:59,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:17:59" (1/1) ... [2020-12-01 18:17:59,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:17:59,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:18:00,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:18:00,056 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:18:00,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:18:00,188 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:18:00,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00 WrapperNode [2020-12-01 18:18:00,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:18:00,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:18:00,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:18:00,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:18:00,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00" (1/1) ... [2020-12-01 18:18:00,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00" (1/1) ... [2020-12-01 18:18:00,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:18:00,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:18:00,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:18:00,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:18:00,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00" (1/1) ... [2020-12-01 18:18:00,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00" (1/1) ... [2020-12-01 18:18:00,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00" (1/1) ... [2020-12-01 18:18:00,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00" (1/1) ... [2020-12-01 18:18:00,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00" (1/1) ... [2020-12-01 18:18:00,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00" (1/1) ... [2020-12-01 18:18:00,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00" (1/1) ... [2020-12-01 18:18:00,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:18:00,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:18:00,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:18:00,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:18:00,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/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 18:18:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 18:18:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 18:18:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:18:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 18:18:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:18:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 18:18:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:18:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:18:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:18:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:18:01,342 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:18:01,342 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-01 18:18:01,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:18:01 BoogieIcfgContainer [2020-12-01 18:18:01,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:18:01,349 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:18:01,349 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:18:01,362 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:18:01,362 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:18:01" (1/1) ... [2020-12-01 18:18:01,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:18:01,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 112 states and 127 transitions. [2020-12-01 18:18:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2020-12-01 18:18:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 18:18:01,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,604 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 18:18:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 111 states and 126 transitions. [2020-12-01 18:18:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2020-12-01 18:18:01,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 18:18:01,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,694 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 18:18:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 110 states and 125 transitions. [2020-12-01 18:18:01,777 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2020-12-01 18:18:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:18:01,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,812 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 18:18:01,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 109 states and 124 transitions. [2020-12-01 18:18:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 124 transitions. [2020-12-01 18:18:01,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:18:01,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,862 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 18:18:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 108 states and 123 transitions. [2020-12-01 18:18:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2020-12-01 18:18:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:18:01,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,938 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 18:18:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 107 states and 122 transitions. [2020-12-01 18:18:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2020-12-01 18:18:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:18:01,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:02,044 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 18:18:02,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:02,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 106 states and 121 transitions. [2020-12-01 18:18:02,072 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-12-01 18:18:02,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:18:02,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:02,207 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 18:18:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:02,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 105 states and 119 transitions. [2020-12-01 18:18:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2020-12-01 18:18:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:18:02,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 108 states and 124 transitions. [2020-12-01 18:18:02,542 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2020-12-01 18:18:02,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:18:02,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:02,607 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 18:18:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 107 states and 123 transitions. [2020-12-01 18:18:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2020-12-01 18:18:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:18:02,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:02,753 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 18:18:02,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:02,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 108 states and 125 transitions. [2020-12-01 18:18:02,965 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-12-01 18:18:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:18:02,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:03,017 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 18:18:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 107 states and 124 transitions. [2020-12-01 18:18:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2020-12-01 18:18:03,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:18:03,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:03,103 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 18:18:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 106 states and 123 transitions. [2020-12-01 18:18:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-12-01 18:18:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:18:03,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:03,284 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 18:18:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:03,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 111 states and 132 transitions. [2020-12-01 18:18:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 132 transitions. [2020-12-01 18:18:03,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:18:03,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:03,518 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 18:18:03,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 116 states and 142 transitions. [2020-12-01 18:18:03,727 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 142 transitions. [2020-12-01 18:18:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:18:03,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:03,879 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 18:18:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 118 states and 146 transitions. [2020-12-01 18:18:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 146 transitions. [2020-12-01 18:18:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:18:04,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:04,699 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 18:18:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:05,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 120 states and 150 transitions. [2020-12-01 18:18:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2020-12-01 18:18:05,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:18:05,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:05,765 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 18:18:05,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 119 states and 149 transitions. [2020-12-01 18:18:05,786 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 149 transitions. [2020-12-01 18:18:05,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:18:05,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:05,842 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 18:18:05,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 118 states and 148 transitions. [2020-12-01 18:18:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 148 transitions. [2020-12-01 18:18:05,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:18:05,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:05,880 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 18:18:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 119 states and 150 transitions. [2020-12-01 18:18:06,119 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2020-12-01 18:18:06,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:18:06,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:06,142 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 18:18:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 121 states and 153 transitions. [2020-12-01 18:18:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 153 transitions. [2020-12-01 18:18:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:18:06,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:06,495 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 18:18:06,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:06,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 120 states and 152 transitions. [2020-12-01 18:18:06,520 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2020-12-01 18:18:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:18:06,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:06,572 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 18:18:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 119 states and 151 transitions. [2020-12-01 18:18:06,585 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 151 transitions. [2020-12-01 18:18:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:18:06,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:06,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:06,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 120 states and 153 transitions. [2020-12-01 18:18:06,611 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 153 transitions. [2020-12-01 18:18:06,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:18:06,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:06,641 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 18:18:06,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 122 states and 158 transitions. [2020-12-01 18:18:06,658 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 158 transitions. [2020-12-01 18:18:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:18:06,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:06,952 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 18:18:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:08,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 124 states and 162 transitions. [2020-12-01 18:18:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2020-12-01 18:18:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:18:08,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:08,526 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 18:18:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 126 states and 166 transitions. [2020-12-01 18:18:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 166 transitions. [2020-12-01 18:18:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:18:09,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:09,361 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 18:18:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 125 states and 165 transitions. [2020-12-01 18:18:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2020-12-01 18:18:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:18:09,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:09,403 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 18:18:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 128 states and 170 transitions. [2020-12-01 18:18:09,641 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 170 transitions. [2020-12-01 18:18:09,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:18:09,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:09,656 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 18:18:09,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 126 states and 167 transitions. [2020-12-01 18:18:09,660 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 167 transitions. [2020-12-01 18:18:09,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:18:09,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:09,680 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 18:18:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:09,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 127 states and 168 transitions. [2020-12-01 18:18:09,687 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 168 transitions. [2020-12-01 18:18:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:18:09,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:09,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 126 states and 167 transitions. [2020-12-01 18:18:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 167 transitions. [2020-12-01 18:18:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:18:09,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:09,753 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 18:18:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 127 states and 170 transitions. [2020-12-01 18:18:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 170 transitions. [2020-12-01 18:18:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:18:09,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 126 states and 169 transitions. [2020-12-01 18:18:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 169 transitions. [2020-12-01 18:18:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:18:09,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:10,234 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 18:18:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 102 states and 130 transitions. [2020-12-01 18:18:10,646 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2020-12-01 18:18:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:18:10,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:10,668 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 18:18:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 104 states and 134 transitions. [2020-12-01 18:18:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2020-12-01 18:18:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:18:10,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:10,719 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 18:18:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:10,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 106 states and 139 transitions. [2020-12-01 18:18:10,928 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2020-12-01 18:18:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:18:10,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:10,945 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 18:18:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 105 states and 138 transitions. [2020-12-01 18:18:10,978 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 138 transitions. [2020-12-01 18:18:10,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:18:10,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:11,001 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 18:18:11,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:11,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 106 states and 140 transitions. [2020-12-01 18:18:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 140 transitions. [2020-12-01 18:18:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:18:11,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:11,625 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 18:18:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:14,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 112 states and 150 transitions. [2020-12-01 18:18:14,037 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2020-12-01 18:18:14,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:18:14,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:14,182 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 18:18:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:14,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 114 states and 154 transitions. [2020-12-01 18:18:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-12-01 18:18:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:18:14,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:15,035 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 18:18:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:15,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 116 states and 158 transitions. [2020-12-01 18:18:15,754 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 158 transitions. [2020-12-01 18:18:15,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:18:15,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:15,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 115 states and 157 transitions. [2020-12-01 18:18:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2020-12-01 18:18:15,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:18:15,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:15,864 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 18:18:15,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 117 states and 161 transitions. [2020-12-01 18:18:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 161 transitions. [2020-12-01 18:18:15,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:18:15,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:15,898 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 18:18:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:15,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 116 states and 160 transitions. [2020-12-01 18:18:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2020-12-01 18:18:15,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:18:15,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:15,950 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 18:18:15,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:15,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 117 states and 163 transitions. [2020-12-01 18:18:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2020-12-01 18:18:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:18:15,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:15,996 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 18:18:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 116 states and 162 transitions. [2020-12-01 18:18:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2020-12-01 18:18:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:18:16,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:16,197 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 18:18:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 117 states and 164 transitions. [2020-12-01 18:18:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 164 transitions. [2020-12-01 18:18:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:18:16,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:18,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 124 states and 177 transitions. [2020-12-01 18:18:18,762 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2020-12-01 18:18:18,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:18:18,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:22,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 132 states and 194 transitions. [2020-12-01 18:18:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 194 transitions. [2020-12-01 18:18:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:18:22,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:22,207 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 18:18:22,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:22,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 135 states and 200 transitions. [2020-12-01 18:18:22,250 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 200 transitions. [2020-12-01 18:18:22,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:18:22,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:22,454 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 18:18:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 138 states and 206 transitions. [2020-12-01 18:18:22,507 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 206 transitions. [2020-12-01 18:18:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:18:22,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:22,858 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 18:18:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 144 states and 216 transitions. [2020-12-01 18:18:25,974 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 216 transitions. [2020-12-01 18:18:25,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:18:25,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:26,609 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 18:18:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 157 states and 238 transitions. [2020-12-01 18:18:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 238 transitions. [2020-12-01 18:18:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:18:32,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:33,294 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 18:18:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 159 states and 240 transitions. [2020-12-01 18:18:35,050 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 240 transitions. [2020-12-01 18:18:35,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:18:35,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:35,077 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 18:18:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 165 states and 257 transitions. [2020-12-01 18:18:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 257 transitions. [2020-12-01 18:18:36,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:18:36,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:36,652 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 18:18:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 171 states and 274 transitions. [2020-12-01 18:18:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 274 transitions. [2020-12-01 18:18:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:18:38,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:38,628 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 18:18:44,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 177 states and 289 transitions. [2020-12-01 18:18:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 289 transitions. [2020-12-01 18:18:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:18:44,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:44,922 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 18:18:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 186 states and 307 transitions. [2020-12-01 18:18:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 307 transitions. [2020-12-01 18:18:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:18:51,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:51,464 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 18:18:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2020-12-01 18:18:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2020-12-01 18:18:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:18:53,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:53,753 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 18:18:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 190 states and 314 transitions. [2020-12-01 18:18:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 314 transitions. [2020-12-01 18:18:53,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:18:53,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:54,200 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 18:18:54,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 192 states and 323 transitions. [2020-12-01 18:18:54,473 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 323 transitions. [2020-12-01 18:18:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:18:54,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:54,492 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 18:18:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 193 states and 324 transitions. [2020-12-01 18:18:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 324 transitions. [2020-12-01 18:18:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:18:55,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:19:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 196 states and 331 transitions. [2020-12-01 18:19:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 331 transitions. [2020-12-01 18:19:02,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:19:02,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:03,567 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 18:19:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 205 states and 352 transitions. [2020-12-01 18:19:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 352 transitions. [2020-12-01 18:19:16,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:19:16,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:17,081 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 18:19:17,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 206 states and 352 transitions. [2020-12-01 18:19:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 352 transitions. [2020-12-01 18:19:17,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:19:17,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 218 states and 389 transitions. [2020-12-01 18:19:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 389 transitions. [2020-12-01 18:19:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:19:35,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 219 states and 392 transitions. [2020-12-01 18:19:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 392 transitions. [2020-12-01 18:19:37,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:19:37,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:19:37,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:19:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:19:37,340 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:19:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:19:37,492 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:19:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:19:37,543 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:19:38,240 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 68 iterations. [2020-12-01 18:19:38,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:19:38 ImpRootNode [2020-12-01 18:19:38,277 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:19:38,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:19:38,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:19:38,278 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:19:38,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:18:01" (3/4) ... [2020-12-01 18:19:38,280 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:19:38,341 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5aa4eed3-880a-4a87-994e-d340a892e6dc/bin/ukojak/witness.graphml [2020-12-01 18:19:38,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:19:38,343 INFO L168 Benchmark]: Toolchain (without parser) took 98965.16 ms. Allocated memory was 90.2 MB in the beginning and 1.1 GB in the end (delta: 992.0 MB). Free memory was 59.1 MB in the beginning and 722.7 MB in the end (delta: -663.6 MB). Peak memory consumption was 329.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:38,344 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 90.2 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:19:38,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.12 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 58.7 MB in the beginning and 77.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:38,350 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.09 ms. Allocated memory is still 113.2 MB. Free memory was 77.5 MB in the beginning and 75.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:38,351 INFO L168 Benchmark]: Boogie Preprocessor took 41.97 ms. Allocated memory is still 113.2 MB. Free memory was 75.4 MB in the beginning and 74.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:19:38,351 INFO L168 Benchmark]: RCFGBuilder took 1048.13 ms. Allocated memory is still 113.2 MB. Free memory was 74.0 MB in the beginning and 78.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:38,352 INFO L168 Benchmark]: CodeCheck took 96927.46 ms. Allocated memory was 113.2 MB in the beginning and 1.1 GB in the end (delta: 968.9 MB). Free memory was 78.7 MB in the beginning and 725.9 MB in the end (delta: -647.2 MB). Peak memory consumption was 320.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:38,352 INFO L168 Benchmark]: Witness Printer took 64.59 ms. Allocated memory is still 1.1 GB. Free memory was 725.9 MB in the beginning and 722.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:38,356 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, 112 locations, 61 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 96.8s, OverallIterations: 68, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 335746312 SDtfs, 461451984 SDslu, 350117656 SDs, 0 SdLazy, -463305470 SolverSat, 1351251422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7080 GetRequests, 6420 SyntacticMatches, 144 SemanticMatches, 516 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125348 ImplicationChecksByTransitivity, 90.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 873 NumberOfCodeBlocks, 873 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 785 ConstructedInterpolants, 0 QuantifiedInterpolants, 69587 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 60 PerfectInterpolantSequences, 7/17 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: 985]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1000] SLL* head = malloc(sizeof(SLL)); [L1001] head->next = ((void*)0) [L1002] head->prev = ((void*)0) [L1003] head->data = 0 [L1005] SLL* x = head; [L1008] COND FALSE !(__VERIFIER_nondet_int()) [L1019] COND TRUE __VERIFIER_nondet_int() [L1020] x = malloc(sizeof(SLL)) [L1021] x->data = 1 [L1022] x->next = head [L1023] x->prev = ((void*)0) [L1024] head = x [L1050] x = head [L1053] EXPR x->data [L1053] COND FALSE !(x->data != 1) [L1059] EXPR x->next [L1059] x = x->next [L1060] COND TRUE \read(*x) [L1062] EXPR x->data [L1062] COND TRUE x->data != 1 [L985] COND FALSE !(0) [L985] __assert_fail ("0", "dll-simple-white-blue-1.c", 16, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 90.2 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 806.12 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 58.7 MB in the beginning and 77.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.09 ms. Allocated memory is still 113.2 MB. Free memory was 77.5 MB in the beginning and 75.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.97 ms. Allocated memory is still 113.2 MB. Free memory was 75.4 MB in the beginning and 74.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1048.13 ms. Allocated memory is still 113.2 MB. Free memory was 74.0 MB in the beginning and 78.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. * CodeCheck took 96927.46 ms. Allocated memory was 113.2 MB in the beginning and 1.1 GB in the end (delta: 968.9 MB). Free memory was 78.7 MB in the beginning and 725.9 MB in the end (delta: -647.2 MB). Peak memory consumption was 320.5 MB. Max. memory is 16.1 GB. * Witness Printer took 64.59 ms. Allocated memory is still 1.1 GB. Free memory was 725.9 MB in the beginning and 722.7 MB in the end (delta: 3.1 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...