./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9aa86be9eb0317030839433587db2b1c5b5e93d6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9aa86be9eb0317030839433587db2b1c5b5e93d6 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:20:47,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:20:47,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:20:47,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:20:47,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:20:47,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:20:47,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:20:47,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:20:47,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:20:47,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:20:47,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:20:47,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:20:47,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:20:47,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:20:47,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:20:47,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:20:47,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:20:47,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:20:47,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:20:47,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:20:47,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:20:47,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:20:47,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:20:47,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:20:47,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:20:47,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:20:47,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:20:47,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:20:47,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:20:47,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:20:47,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:20:47,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:20:47,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:20:47,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:20:47,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:20:47,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:20:47,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:20:47,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:20:47,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:20:47,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:20:47,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:20:47,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-30 01:20:47,780 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:20:47,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:20:47,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:20:47,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:20:47,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:20:47,784 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:20:47,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:20:47,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:20:47,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:20:47,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:20:47,786 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 01:20:47,787 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 01:20:47,787 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 01:20:47,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:20:47,788 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:20:47,788 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:20:47,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:20:47,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:20:47,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:20:47,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:20:47,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:20:47,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:20:47,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:20:47,790 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:20:47,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:20:47,791 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_a227f6ed-127f-4949-82c0-f5a4015d0d58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa86be9eb0317030839433587db2b1c5b5e93d6 [2020-11-30 01:20:48,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:20:48,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:20:48,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:20:48,217 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:20:48,218 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:20:48,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2020-11-30 01:20:48,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/data/4e55ed560/53ac5dc8cf764c9291217b4c91fdc8ad/FLAG87304d657 [2020-11-30 01:20:49,085 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:20:49,096 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2020-11-30 01:20:49,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/data/4e55ed560/53ac5dc8cf764c9291217b4c91fdc8ad/FLAG87304d657 [2020-11-30 01:20:49,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/data/4e55ed560/53ac5dc8cf764c9291217b4c91fdc8ad [2020-11-30 01:20:49,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:20:49,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:20:49,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:20:49,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:20:49,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:20:49,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2386e0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49, skipping insertion in model container [2020-11-30 01:20:49,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:20:49,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:20:49,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:20:49,852 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:20:49,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:20:49,967 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:20:49,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49 WrapperNode [2020-11-30 01:20:49,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:20:49,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:20:49,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:20:49,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:20:49,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:50,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:50,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:20:50,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:20:50,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:20:50,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:20:50,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:50,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:50,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:50,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:50,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:50,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:50,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:50,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:20:50,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:20:50,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:20:50,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:20:50,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:20:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:20:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:20:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:20:50,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:20:50,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:20:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:20:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:20:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:20:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:20:50,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:20:51,671 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:20:51,672 INFO L298 CfgBuilder]: Removed 35 assume(true) statements. [2020-11-30 01:20:51,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:51 BoogieIcfgContainer [2020-11-30 01:20:51,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:20:51,683 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:20:51,683 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:20:51,696 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:20:51,696 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:51" (1/1) ... [2020-11-30 01:20:51,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:51,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 162 states and 196 transitions. [2020-11-30 01:20:51,787 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 196 transitions. [2020-11-30 01:20:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-30 01:20:51,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:52,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 161 states and 195 transitions. [2020-11-30 01:20:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 195 transitions. [2020-11-30 01:20:52,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-30 01:20:52,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:52,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 160 states and 194 transitions. [2020-11-30 01:20:52,283 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2020-11-30 01:20:52,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-30 01:20:52,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:52,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 159 states and 193 transitions. [2020-11-30 01:20:52,375 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2020-11-30 01:20:52,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-30 01:20:52,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 158 states and 192 transitions. [2020-11-30 01:20:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 192 transitions. [2020-11-30 01:20:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 01:20:52,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:52,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 157 states and 191 transitions. [2020-11-30 01:20:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2020-11-30 01:20:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 01:20:52,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:52,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:52,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 156 states and 190 transitions. [2020-11-30 01:20:52,587 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2020-11-30 01:20:52,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 01:20:52,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 155 states and 189 transitions. [2020-11-30 01:20:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2020-11-30 01:20:52,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 01:20:52,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 154 states and 188 transitions. [2020-11-30 01:20:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 188 transitions. [2020-11-30 01:20:52,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:20:52,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:53,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 153 states and 187 transitions. [2020-11-30 01:20:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2020-11-30 01:20:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:20:53,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:53,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 152 states and 186 transitions. [2020-11-30 01:20:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 186 transitions. [2020-11-30 01:20:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:20:53,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2020-11-30 01:20:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2020-11-30 01:20:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:20:53,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:53,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2020-11-30 01:20:53,354 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2020-11-30 01:20:53,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:20:53,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 153 states and 188 transitions. [2020-11-30 01:20:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2020-11-30 01:20:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:20:53,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:53,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:53,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2020-11-30 01:20:53,903 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2020-11-30 01:20:53,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:20:53,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:53,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 155 states and 193 transitions. [2020-11-30 01:20:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2020-11-30 01:20:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:20:53,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 156 states and 195 transitions. [2020-11-30 01:20:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2020-11-30 01:20:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:20:54,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:55,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 158 states and 199 transitions. [2020-11-30 01:20:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 199 transitions. [2020-11-30 01:20:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:20:55,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 160 states and 203 transitions. [2020-11-30 01:20:56,407 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2020-11-30 01:20:56,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:20:56,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 160 states and 199 transitions. [2020-11-30 01:20:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2020-11-30 01:20:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:20:56,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 161 states and 201 transitions. [2020-11-30 01:20:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 201 transitions. [2020-11-30 01:20:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:20:56,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 163 states and 204 transitions. [2020-11-30 01:20:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 204 transitions. [2020-11-30 01:20:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:20:57,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:57,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:57,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 169 states and 214 transitions. [2020-11-30 01:20:57,354 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 214 transitions. [2020-11-30 01:20:57,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:20:57,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 175 states and 225 transitions. [2020-11-30 01:20:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 225 transitions. [2020-11-30 01:20:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:20:57,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:59,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:20:59,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 178 states and 231 transitions. [2020-11-30 01:20:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 231 transitions. [2020-11-30 01:20:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 01:20:59,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:20:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:01,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 183 states and 239 transitions. [2020-11-30 01:21:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2020-11-30 01:21:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 01:21:01,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:02,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:02,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 185 states and 244 transitions. [2020-11-30 01:21:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 244 transitions. [2020-11-30 01:21:02,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:21:02,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 184 states and 243 transitions. [2020-11-30 01:21:02,440 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 243 transitions. [2020-11-30 01:21:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:21:02,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:02,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2020-11-30 01:21:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2020-11-30 01:21:02,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:21:02,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 185 states and 245 transitions. [2020-11-30 01:21:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 245 transitions. [2020-11-30 01:21:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:21:02,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:02,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2020-11-30 01:21:02,718 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2020-11-30 01:21:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:21:02,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:03,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 192 states and 255 transitions. [2020-11-30 01:21:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 255 transitions. [2020-11-30 01:21:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:21:05,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:05,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 191 states and 252 transitions. [2020-11-30 01:21:05,337 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2020-11-30 01:21:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:21:05,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:06,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 192 states and 255 transitions. [2020-11-30 01:21:06,126 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 255 transitions. [2020-11-30 01:21:06,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:21:06,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:06,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 191 states and 254 transitions. [2020-11-30 01:21:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 254 transitions. [2020-11-30 01:21:06,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:21:06,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:06,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:06,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:06,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 192 states and 256 transitions. [2020-11-30 01:21:06,561 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 256 transitions. [2020-11-30 01:21:06,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:21:06,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:06,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 194 states and 260 transitions. [2020-11-30 01:21:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2020-11-30 01:21:06,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:21:06,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:07,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 198 states and 267 transitions. [2020-11-30 01:21:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 267 transitions. [2020-11-30 01:21:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:21:07,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 197 states and 266 transitions. [2020-11-30 01:21:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 266 transitions. [2020-11-30 01:21:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:21:08,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 196 states and 265 transitions. [2020-11-30 01:21:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 265 transitions. [2020-11-30 01:21:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:21:08,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:12,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 205 states and 280 transitions. [2020-11-30 01:21:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 280 transitions. [2020-11-30 01:21:12,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:21:12,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 207 states and 283 transitions. [2020-11-30 01:21:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 283 transitions. [2020-11-30 01:21:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:21:13,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 209 states and 286 transitions. [2020-11-30 01:21:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 286 transitions. [2020-11-30 01:21:16,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:21:16,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 210 states and 287 transitions. [2020-11-30 01:21:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 287 transitions. [2020-11-30 01:21:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:21:16,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 212 states and 294 transitions. [2020-11-30 01:21:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 294 transitions. [2020-11-30 01:21:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:21:16,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:17,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 215 states and 300 transitions. [2020-11-30 01:21:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 300 transitions. [2020-11-30 01:21:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:21:19,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:19,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:19,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 214 states and 296 transitions. [2020-11-30 01:21:19,937 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 296 transitions. [2020-11-30 01:21:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:21:19,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 217 states and 299 transitions. [2020-11-30 01:21:19,984 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 299 transitions. [2020-11-30 01:21:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:21:19,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:21,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 216 states and 296 transitions. [2020-11-30 01:21:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 296 transitions. [2020-11-30 01:21:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:21:21,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:21,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 217 states and 298 transitions. [2020-11-30 01:21:22,316 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 298 transitions. [2020-11-30 01:21:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:21:22,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:23,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 218 states and 299 transitions. [2020-11-30 01:21:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 299 transitions. [2020-11-30 01:21:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:21:23,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:23,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:26,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 222 states and 306 transitions. [2020-11-30 01:21:26,725 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 306 transitions. [2020-11-30 01:21:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:21:26,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 224 states and 310 transitions. [2020-11-30 01:21:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 310 transitions. [2020-11-30 01:21:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:21:28,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:40,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:40,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 237 states and 337 transitions. [2020-11-30 01:21:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 337 transitions. [2020-11-30 01:21:40,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:21:40,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 238 states and 338 transitions. [2020-11-30 01:21:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 338 transitions. [2020-11-30 01:21:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:21:42,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:42,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 237 states and 337 transitions. [2020-11-30 01:21:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 337 transitions. [2020-11-30 01:21:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:21:42,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:42,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:42,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 238 states and 338 transitions. [2020-11-30 01:21:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 338 transitions. [2020-11-30 01:21:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:21:42,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:21:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:50,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 249 states and 368 transitions. [2020-11-30 01:21:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 368 transitions. [2020-11-30 01:21:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:21:50,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:21:58,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:58,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 260 states and 397 transitions. [2020-11-30 01:21:58,784 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 397 transitions. [2020-11-30 01:21:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:21:58,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:21:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:21:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 261 states and 398 transitions. [2020-11-30 01:21:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 398 transitions. [2020-11-30 01:21:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:21:59,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:21:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 271 states and 427 transitions. [2020-11-30 01:22:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 427 transitions. [2020-11-30 01:22:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:22:10,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 272 states and 429 transitions. [2020-11-30 01:22:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 429 transitions. [2020-11-30 01:22:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:22:11,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 273 states and 430 transitions. [2020-11-30 01:22:12,455 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 430 transitions. [2020-11-30 01:22:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:22:12,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 274 states and 435 transitions. [2020-11-30 01:22:13,873 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 435 transitions. [2020-11-30 01:22:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:22:13,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:15,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:15,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 275 states and 437 transitions. [2020-11-30 01:22:15,095 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 437 transitions. [2020-11-30 01:22:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:22:15,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:22:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 279 states and 441 transitions. [2020-11-30 01:22:20,992 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 441 transitions. [2020-11-30 01:22:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:22:20,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:22:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 278 states and 440 transitions. [2020-11-30 01:22:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 440 transitions. [2020-11-30 01:22:21,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:22:21,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:22:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 279 states and 442 transitions. [2020-11-30 01:22:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 442 transitions. [2020-11-30 01:22:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:22:23,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 278 states and 441 transitions. [2020-11-30 01:22:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 441 transitions. [2020-11-30 01:22:23,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:22:23,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 280 states and 445 transitions. [2020-11-30 01:22:25,898 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 445 transitions. [2020-11-30 01:22:25,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:22:25,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:25,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 281 states and 447 transitions. [2020-11-30 01:22:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 447 transitions. [2020-11-30 01:22:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:22:25,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 281 states and 446 transitions. [2020-11-30 01:22:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 446 transitions. [2020-11-30 01:22:26,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:22:26,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:22:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:49,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 296 states and 474 transitions. [2020-11-30 01:22:49,838 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 474 transitions. [2020-11-30 01:22:49,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:22:49,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 297 states and 474 transitions. [2020-11-30 01:22:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 474 transitions. [2020-11-30 01:22:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:22:49,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:22:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:22:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 298 states and 474 transitions. [2020-11-30 01:22:49,967 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 474 transitions. [2020-11-30 01:22:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:22:49,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:22:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:23:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:23:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 310 states and 502 transitions. [2020-11-30 01:23:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 502 transitions. [2020-11-30 01:23:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:23:13,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:23:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:23:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:23:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:23:51,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 329 states and 545 transitions. [2020-11-30 01:23:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 545 transitions. [2020-11-30 01:23:51,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:23:51,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:23:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:23:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:23:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:23:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 330 states and 547 transitions. [2020-11-30 01:23:53,871 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 547 transitions. [2020-11-30 01:23:53,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:23:53,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:23:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:23:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:23:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:23:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 331 states and 548 transitions. [2020-11-30 01:23:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 548 transitions. [2020-11-30 01:23:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:23:55,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:23:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:23:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:23:58,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:23:58,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 332 states and 550 transitions. [2020-11-30 01:23:58,038 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 550 transitions. [2020-11-30 01:23:58,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:23:58,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:23:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:23:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:24:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:24:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 333 states and 552 transitions. [2020-11-30 01:24:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 552 transitions. [2020-11-30 01:24:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:24:00,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:24:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:24:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:24:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:24:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 334 states and 553 transitions. [2020-11-30 01:24:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 553 transitions. [2020-11-30 01:24:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:24:03,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:24:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:24:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:24:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:24:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 338 states and 570 transitions. [2020-11-30 01:24:15,799 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 570 transitions. [2020-11-30 01:24:15,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:24:15,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:24:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:24:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:24:20,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:24:20,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 337 states and 569 transitions. [2020-11-30 01:24:20,324 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 569 transitions. [2020-11-30 01:24:20,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 01:24:20,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:24:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:24:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:24:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:24:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 336 states and 568 transitions. [2020-11-30 01:24:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 568 transitions. [2020-11-30 01:24:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:24:21,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:24:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:24:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:24:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:24:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 336 states and 567 transitions. [2020-11-30 01:24:24,125 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 567 transitions. [2020-11-30 01:24:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:24:24,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:24:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:24:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:24:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:24:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 337 states and 568 transitions. [2020-11-30 01:24:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 568 transitions. [2020-11-30 01:24:29,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:24:29,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:24:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:24:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:24:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:24:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 338 states and 569 transitions. [2020-11-30 01:24:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 569 transitions. [2020-11-30 01:24:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:24:31,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:24:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:24:31,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:24:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:24:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 338 states and 568 transitions. [2020-11-30 01:24:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 568 transitions. [2020-11-30 01:24:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:24:31,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:24:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:24:31,854 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:24:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:24:31,875 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:24:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:24:32,116 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:24:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:24:32,303 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:24:32,379 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 89 iterations. [2020-11-30 01:24:32,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:24:32 ImpRootNode [2020-11-30 01:24:32,453 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:24:32,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:24:32,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:24:32,454 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:24:32,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:51" (3/4) ... [2020-11-30 01:24:32,459 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:24:32,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:24:32,462 INFO L168 Benchmark]: Toolchain (without parser) took 223103.13 ms. Allocated memory was 109.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 75.5 MB in the beginning and 992.9 MB in the end (delta: -917.4 MB). Peak memory consumption was 200.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:32,462 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 73.4 MB. Free memory was 33.5 MB in the beginning and 33.4 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:24:32,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.80 ms. Allocated memory is still 109.1 MB. Free memory was 75.3 MB in the beginning and 73.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:32,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.49 ms. Allocated memory is still 109.1 MB. Free memory was 73.5 MB in the beginning and 71.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:32,465 INFO L168 Benchmark]: Boogie Preprocessor took 48.32 ms. Allocated memory is still 109.1 MB. Free memory was 71.6 MB in the beginning and 69.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:32,465 INFO L168 Benchmark]: RCFGBuilder took 1584.44 ms. Allocated memory is still 109.1 MB. Free memory was 69.5 MB in the beginning and 57.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:32,466 INFO L168 Benchmark]: CodeCheck took 220770.01 ms. Allocated memory was 109.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 57.4 MB in the beginning and 992.9 MB in the end (delta: -935.5 MB). Peak memory consumption was 183.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:32,467 INFO L168 Benchmark]: Witness Printer took 5.98 ms. Allocated memory is still 1.2 GB. Free memory is still 992.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:24:32,472 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, 162 locations, 77 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 220.6s, OverallIterations: 89, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1118339072 SDtfs, -1678415776 SDslu, 1213652864 SDs, 0 SdLazy, 1940191440 SolverSat, -1198320760 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 116.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12449 GetRequests, 11441 SyntacticMatches, 256 SemanticMatches, 752 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263388 ImplicationChecksByTransitivity, 212.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 1493 ConstructedInterpolants, 0 QuantifiedInterpolants, 137970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 88 InterpolantComputations, 82 PerfectInterpolantSequences, 50/56 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 - UnprovableResult [Line: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) [L1000] null->prev = ((void*)0) [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null [L1005] list->prev = null [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list [L1041] COND FALSE !(!(null != end)) [L1042] EXPR end->colour [L1042] COND FALSE !(!(BLACK == end->colour)) [L1043] COND TRUE null != end [L1045] EXPR end->colour [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND FALSE !(null != end) [L1056] COND TRUE null != list [L1058] EXPR list->colour [L1058] COND FALSE !(RED == list->colour) [L1067] EXPR list->next [L1067] end = list->next [L1068] free(list) [L1068] free(list) [L1068] free(list) [L1069] list = end [L1056] COND FALSE !(null != list) [L1073] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 73.4 MB. Free memory was 33.5 MB in the beginning and 33.4 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 608.80 ms. Allocated memory is still 109.1 MB. Free memory was 75.3 MB in the beginning and 73.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.49 ms. Allocated memory is still 109.1 MB. Free memory was 73.5 MB in the beginning and 71.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.32 ms. Allocated memory is still 109.1 MB. Free memory was 71.6 MB in the beginning and 69.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1584.44 ms. Allocated memory is still 109.1 MB. Free memory was 69.5 MB in the beginning and 57.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. * CodeCheck took 220770.01 ms. Allocated memory was 109.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 57.4 MB in the beginning and 992.9 MB in the end (delta: -935.5 MB). Peak memory consumption was 183.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.98 ms. Allocated memory is still 1.2 GB. Free memory is still 992.9 MB. There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:24:35,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:24:35,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:24:35,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:24:35,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:24:35,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:24:35,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:24:35,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:24:35,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:24:35,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:24:35,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:24:35,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:24:35,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:24:35,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:24:35,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:24:35,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:24:35,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:24:35,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:24:35,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:24:35,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:24:35,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:24:35,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:24:35,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:24:35,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:24:35,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:24:35,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:24:35,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:24:35,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:24:35,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:24:35,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:24:35,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:24:35,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:24:35,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:24:35,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:24:35,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:24:35,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:24:35,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:24:35,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:24:35,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:24:35,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:24:35,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:24:35,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-11-30 01:24:35,828 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:24:35,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:24:35,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:24:35,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:24:35,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:24:35,831 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:24:35,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:24:35,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:24:35,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:24:35,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:24:35,833 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 01:24:35,833 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 01:24:35,833 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 01:24:35,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:24:35,834 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:24:35,834 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:24:35,834 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:24:35,834 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:24:35,835 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:24:35,835 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:24:35,835 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:24:35,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:24:35,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:24:35,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:24:35,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:24:35,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:24:35,837 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:24:35,837 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:24:35,838 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-30 01:24:35,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:24:35,838 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a227f6ed-127f-4949-82c0-f5a4015d0d58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa86be9eb0317030839433587db2b1c5b5e93d6 [2020-11-30 01:24:36,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:24:36,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:24:36,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:24:36,295 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:24:36,296 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:24:36,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2020-11-30 01:24:36,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/data/0cfaccbe6/999a2021e7744247a4545f09bea5207d/FLAG2b097a7fb [2020-11-30 01:24:37,331 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:24:37,333 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2020-11-30 01:24:37,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/data/0cfaccbe6/999a2021e7744247a4545f09bea5207d/FLAG2b097a7fb [2020-11-30 01:24:37,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/data/0cfaccbe6/999a2021e7744247a4545f09bea5207d [2020-11-30 01:24:37,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:24:37,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:24:37,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:24:37,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:24:37,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:24:37,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:24:37" (1/1) ... [2020-11-30 01:24:37,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a76c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:37, skipping insertion in model container [2020-11-30 01:24:37,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:24:37" (1/1) ... [2020-11-30 01:24:37,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:24:37,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:24:38,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:24:38,191 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:24:38,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:24:38,351 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:24:38,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38 WrapperNode [2020-11-30 01:24:38,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:24:38,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:24:38,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:24:38,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:24:38,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38" (1/1) ... [2020-11-30 01:24:38,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38" (1/1) ... [2020-11-30 01:24:38,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:24:38,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:24:38,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:24:38,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:24:38,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38" (1/1) ... [2020-11-30 01:24:38,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38" (1/1) ... [2020-11-30 01:24:38,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38" (1/1) ... [2020-11-30 01:24:38,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38" (1/1) ... [2020-11-30 01:24:38,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38" (1/1) ... [2020-11-30 01:24:38,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38" (1/1) ... [2020-11-30 01:24:38,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38" (1/1) ... [2020-11-30 01:24:38,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:24:38,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:24:38,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:24:38,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:24:38,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a227f6ed-127f-4949-82c0-f5a4015d0d58/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:24:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:24:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:24:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:24:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:24:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:24:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:24:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:24:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:24:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:24:38,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:24:40,358 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:24:40,358 INFO L298 CfgBuilder]: Removed 35 assume(true) statements. [2020-11-30 01:24:40,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:24:40 BoogieIcfgContainer [2020-11-30 01:24:40,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:24:40,362 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:24:40,362 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:24:40,375 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:24:40,376 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:24:40" (1/1) ... [2020-11-30 01:24:40,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:24:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:24:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 160 states and 193 transitions. [2020-11-30 01:24:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 193 transitions. [2020-11-30 01:24:40,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-30 01:24:40,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:24:40,522 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 01:24:40,531 INFO L168 Benchmark]: Toolchain (without parser) took 2980.63 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 34.9 MB in the beginning and 56.1 MB in the end (delta: -21.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:40,533 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 56.6 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:24:40,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.14 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 27.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:40,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.73 ms. Allocated memory is still 56.6 MB. Free memory was 27.1 MB in the beginning and 24.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:40,538 INFO L168 Benchmark]: Boogie Preprocessor took 85.95 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 24.8 MB in the beginning and 58.1 MB in the end (delta: -33.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:40,539 INFO L168 Benchmark]: RCFGBuilder took 1846.68 ms. Allocated memory is still 75.5 MB. Free memory was 58.1 MB in the beginning and 39.0 MB in the end (delta: 19.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:40,540 INFO L168 Benchmark]: CodeCheck took 166.26 ms. Allocated memory is still 75.5 MB. Free memory was 39.0 MB in the beginning and 56.1 MB in the end (delta: -17.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:40,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 56.6 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 789.14 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 27.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.73 ms. Allocated memory is still 56.6 MB. Free memory was 27.1 MB in the beginning and 24.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.95 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 24.8 MB in the beginning and 58.1 MB in the end (delta: -33.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1846.68 ms. Allocated memory is still 75.5 MB. Free memory was 58.1 MB in the beginning and 39.0 MB in the end (delta: 19.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * CodeCheck took 166.26 ms. Allocated memory is still 75.5 MB. Free memory was 39.0 MB in the beginning and 56.1 MB in the end (delta: -17.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...