./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/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 9d82c8ca4c880c13a152abb4a8dcf1f5948563b2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/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 9d82c8ca4c880c13a152abb4a8dcf1f5948563b2 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:02:56,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:02:56,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:02:56,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:02:56,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:02:56,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:02:56,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:02:56,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:02:56,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:02:56,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:02:56,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:02:56,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:02:56,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:02:56,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:02:56,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:02:56,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:02:56,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:02:56,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:02:56,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:02:56,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:02:56,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:02:56,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:02:56,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:02:56,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:02:56,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:02:56,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:02:56,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:02:56,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:02:56,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:02:56,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:02:56,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:02:56,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:02:56,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:02:56,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:02:56,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:02:56,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:02:56,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:02:56,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:02:56,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:02:56,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:02:56,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:02:56,782 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 17:02:56,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:02:56,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:02:56,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:02:56,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:02:56,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:02:56,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:02:56,841 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:02:56,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:02:56,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:02:56,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:02:56,843 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:02:56,843 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:02:56,844 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:02:56,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:02:56,844 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:02:56,845 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:02:56,845 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:02:56,845 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:02:56,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:02:56,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:02:56,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:02:56,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:02:56,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:02:56,847 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:02:56,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:02:56,848 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_3696b893-506f-416a-a1a6-d548fccdbab3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d82c8ca4c880c13a152abb4a8dcf1f5948563b2 [2020-12-01 17:02:57,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:02:57,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:02:57,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:02:57,263 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:02:57,264 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:02:57,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2020-12-01 17:02:57,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/data/a30cdf1a8/39cebb08b4f7463dba337ab2b616028a/FLAGad6a95946 [2020-12-01 17:02:58,239 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:02:58,240 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2020-12-01 17:02:58,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/data/a30cdf1a8/39cebb08b4f7463dba337ab2b616028a/FLAGad6a95946 [2020-12-01 17:02:58,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/data/a30cdf1a8/39cebb08b4f7463dba337ab2b616028a [2020-12-01 17:02:58,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:02:58,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:02:58,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:02:58,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:02:58,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:02:58,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:02:58" (1/1) ... [2020-12-01 17:02:58,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ada49e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:58, skipping insertion in model container [2020-12-01 17:02:58,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:02:58" (1/1) ... [2020-12-01 17:02:58,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:02:58,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:02:59,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:02:59,138 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:02:59,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:02:59,283 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:02:59,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59 WrapperNode [2020-12-01 17:02:59,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:02:59,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:02:59,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:02:59,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:02:59,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59" (1/1) ... [2020-12-01 17:02:59,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59" (1/1) ... [2020-12-01 17:02:59,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:02:59,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:02:59,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:02:59,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:02:59,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59" (1/1) ... [2020-12-01 17:02:59,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59" (1/1) ... [2020-12-01 17:02:59,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59" (1/1) ... [2020-12-01 17:02:59,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59" (1/1) ... [2020-12-01 17:02:59,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59" (1/1) ... [2020-12-01 17:02:59,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59" (1/1) ... [2020-12-01 17:02:59,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59" (1/1) ... [2020-12-01 17:02:59,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:02:59,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:02:59,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:02:59,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:02:59,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 17:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:02:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 17:02:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:02:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:02:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:02:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:03:00,558 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:03:00,559 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-01 17:03:00,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:03:00 BoogieIcfgContainer [2020-12-01 17:03:00,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:03:00,565 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:03:00,565 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:03:00,580 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:03:00,580 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:03:00" (1/1) ... [2020-12-01 17:03:00,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:03:00,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2020-12-01 17:03:00,650 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2020-12-01 17:03:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 17:03:00,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:00,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2020-12-01 17:03:00,941 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-12-01 17:03:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 17:03:00,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:01,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:01,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 85 states and 99 transitions. [2020-12-01 17:03:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2020-12-01 17:03:01,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:03:01,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 84 states and 98 transitions. [2020-12-01 17:03:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2020-12-01 17:03:01,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:03:01,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 83 states and 97 transitions. [2020-12-01 17:03:01,427 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2020-12-01 17:03:01,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:03:01,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:01,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2020-12-01 17:03:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2020-12-01 17:03:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:03:01,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 85 states and 100 transitions. [2020-12-01 17:03:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2020-12-01 17:03:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:03:01,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:02,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 84 states and 99 transitions. [2020-12-01 17:03:02,074 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2020-12-01 17:03:02,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:03:02,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2020-12-01 17:03:02,361 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2020-12-01 17:03:02,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:03:02,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 88 states and 107 transitions. [2020-12-01 17:03:02,620 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2020-12-01 17:03:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:03:02,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 93 states and 117 transitions. [2020-12-01 17:03:02,926 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 117 transitions. [2020-12-01 17:03:02,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:03:02,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:02,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 92 states and 116 transitions. [2020-12-01 17:03:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2020-12-01 17:03:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:03:03,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:03,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 91 states and 115 transitions. [2020-12-01 17:03:03,154 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 115 transitions. [2020-12-01 17:03:03,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:03:03,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 93 states and 118 transitions. [2020-12-01 17:03:03,927 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 118 transitions. [2020-12-01 17:03:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:03:03,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 95 states and 121 transitions. [2020-12-01 17:03:05,034 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2020-12-01 17:03:05,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:03:05,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:05,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 94 states and 120 transitions. [2020-12-01 17:03:05,074 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2020-12-01 17:03:05,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:03:05,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 93 states and 119 transitions. [2020-12-01 17:03:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 119 transitions. [2020-12-01 17:03:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:03:05,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:05,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2020-12-01 17:03:05,975 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-12-01 17:03:05,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:03:05,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 94 states and 121 transitions. [2020-12-01 17:03:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2020-12-01 17:03:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:03:06,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2020-12-01 17:03:06,185 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2020-12-01 17:03:06,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:03:06,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:06,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:06,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2020-12-01 17:03:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2020-12-01 17:03:06,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:03:06,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2020-12-01 17:03:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2020-12-01 17:03:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:03:06,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:06,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 98 states and 128 transitions. [2020-12-01 17:03:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 128 transitions. [2020-12-01 17:03:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:03:06,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 95 states and 124 transitions. [2020-12-01 17:03:06,744 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 124 transitions. [2020-12-01 17:03:06,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:03:06,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 92 states and 121 transitions. [2020-12-01 17:03:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 121 transitions. [2020-12-01 17:03:06,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:03:06,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2020-12-01 17:03:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2020-12-01 17:03:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:03:06,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 98 states and 133 transitions. [2020-12-01 17:03:07,694 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2020-12-01 17:03:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:03:07,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:07,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 97 states and 132 transitions. [2020-12-01 17:03:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 132 transitions. [2020-12-01 17:03:07,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:03:07,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 98 states and 133 transitions. [2020-12-01 17:03:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2020-12-01 17:03:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:03:07,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:09,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 104 states and 143 transitions. [2020-12-01 17:03:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2020-12-01 17:03:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:03:09,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 91 states and 122 transitions. [2020-12-01 17:03:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 122 transitions. [2020-12-01 17:03:11,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:03:11,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 90 states and 121 transitions. [2020-12-01 17:03:11,079 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-12-01 17:03:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:03:11,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:11,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 91 states and 122 transitions. [2020-12-01 17:03:11,198 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 122 transitions. [2020-12-01 17:03:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:03:11,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 90 states and 121 transitions. [2020-12-01 17:03:11,245 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-12-01 17:03:11,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:03:11,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:11,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 92 states and 125 transitions. [2020-12-01 17:03:11,744 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 125 transitions. [2020-12-01 17:03:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:03:11,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:11,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 91 states and 124 transitions. [2020-12-01 17:03:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 124 transitions. [2020-12-01 17:03:11,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:03:11,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 92 states and 127 transitions. [2020-12-01 17:03:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 127 transitions. [2020-12-01 17:03:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:03:11,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 98 states and 139 transitions. [2020-12-01 17:03:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 139 transitions. [2020-12-01 17:03:14,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:03:14,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:14,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:16,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 104 states and 149 transitions. [2020-12-01 17:03:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 149 transitions. [2020-12-01 17:03:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:03:16,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 110 states and 159 transitions. [2020-12-01 17:03:18,828 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2020-12-01 17:03:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:03:18,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:22,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:22,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 119 states and 172 transitions. [2020-12-01 17:03:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 172 transitions. [2020-12-01 17:03:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:03:22,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 127 states and 190 transitions. [2020-12-01 17:03:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 190 transitions. [2020-12-01 17:03:25,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:03:25,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 130 states and 196 transitions. [2020-12-01 17:03:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 196 transitions. [2020-12-01 17:03:25,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:03:25,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 133 states and 202 transitions. [2020-12-01 17:03:25,950 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 202 transitions. [2020-12-01 17:03:25,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:03:25,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:25,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 139 states and 219 transitions. [2020-12-01 17:03:27,246 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 219 transitions. [2020-12-01 17:03:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:03:27,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 145 states and 236 transitions. [2020-12-01 17:03:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 236 transitions. [2020-12-01 17:03:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:03:28,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 151 states and 251 transitions. [2020-12-01 17:03:32,849 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 251 transitions. [2020-12-01 17:03:32,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:03:32,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 152 states and 252 transitions. [2020-12-01 17:03:32,895 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 252 transitions. [2020-12-01 17:03:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:03:32,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:33,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:33,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 154 states and 262 transitions. [2020-12-01 17:03:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 262 transitions. [2020-12-01 17:03:33,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:03:33,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:33,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:33,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 155 states and 263 transitions. [2020-12-01 17:03:33,644 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 263 transitions. [2020-12-01 17:03:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:03:33,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:03:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 158 states and 270 transitions. [2020-12-01 17:03:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 270 transitions. [2020-12-01 17:03:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:03:38,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:39,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:41,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:41,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 160 states and 276 transitions. [2020-12-01 17:03:41,703 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 276 transitions. [2020-12-01 17:03:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:03:41,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:45,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 164 states and 291 transitions. [2020-12-01 17:03:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 291 transitions. [2020-12-01 17:03:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:03:45,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:47,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 167 states and 300 transitions. [2020-12-01 17:03:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 300 transitions. [2020-12-01 17:03:47,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:03:47,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 169 states and 310 transitions. [2020-12-01 17:03:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 310 transitions. [2020-12-01 17:03:49,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:03:49,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:49,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:03:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:59,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 178 states and 332 transitions. [2020-12-01 17:03:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 332 transitions. [2020-12-01 17:03:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:03:59,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 180 states and 334 transitions. [2020-12-01 17:04:00,867 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 334 transitions. [2020-12-01 17:04:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:04:00,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 190 states and 357 transitions. [2020-12-01 17:04:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 357 transitions. [2020-12-01 17:04:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:04:13,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:26,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 200 states and 380 transitions. [2020-12-01 17:04:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 380 transitions. [2020-12-01 17:04:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:04:26,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:40,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 209 states and 406 transitions. [2020-12-01 17:04:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 406 transitions. [2020-12-01 17:04:40,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:04:40,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 214 states and 419 transitions. [2020-12-01 17:04:46,043 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 419 transitions. [2020-12-01 17:04:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:04:46,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 216 states and 431 transitions. [2020-12-01 17:04:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 431 transitions. [2020-12-01 17:04:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:04:48,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:06,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 226 states and 465 transitions. [2020-12-01 17:05:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 465 transitions. [2020-12-01 17:05:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:05:06,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:15,872 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-01 17:05:16,223 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-12-01 17:05:33,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:33,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 235 states and 491 transitions. [2020-12-01 17:05:33,053 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 491 transitions. [2020-12-01 17:05:33,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:05:33,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 238 states and 498 transitions. [2020-12-01 17:05:38,692 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 498 transitions. [2020-12-01 17:05:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:05:38,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:38,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 239 states and 499 transitions. [2020-12-01 17:05:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 499 transitions. [2020-12-01 17:05:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:05:39,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:39,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:52,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:52,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 249 states and 517 transitions. [2020-12-01 17:05:52,532 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 517 transitions. [2020-12-01 17:05:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:05:52,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 255 states and 540 transitions. [2020-12-01 17:06:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 540 transitions. [2020-12-01 17:06:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:06:00,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:09,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:09,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 260 states and 553 transitions. [2020-12-01 17:06:09,878 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 553 transitions. [2020-12-01 17:06:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:06:09,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:09,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 264 states and 563 transitions. [2020-12-01 17:06:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 563 transitions. [2020-12-01 17:06:17,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:06:17,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:24,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 268 states and 574 transitions. [2020-12-01 17:06:24,879 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 574 transitions. [2020-12-01 17:06:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:06:24,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 269 states and 578 transitions. [2020-12-01 17:06:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 578 transitions. [2020-12-01 17:06:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:06:26,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:26,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:28,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:28,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 270 states and 583 transitions. [2020-12-01 17:06:28,414 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 583 transitions. [2020-12-01 17:06:28,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:06:28,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 272 states and 590 transitions. [2020-12-01 17:06:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 590 transitions. [2020-12-01 17:06:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:06:32,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:32,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 276 states and 607 transitions. [2020-12-01 17:06:39,065 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 607 transitions. [2020-12-01 17:06:39,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:06:39,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:06:46,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 279 states and 611 transitions. [2020-12-01 17:06:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 611 transitions. [2020-12-01 17:06:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:06:46,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:06:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:53,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 282 states and 616 transitions. [2020-12-01 17:06:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 616 transitions. [2020-12-01 17:06:53,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:06:53,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:07:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:01,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 285 states and 619 transitions. [2020-12-01 17:07:01,033 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 619 transitions. [2020-12-01 17:07:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:07:01,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:07:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:06,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 277 states and 604 transitions. [2020-12-01 17:07:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 604 transitions. [2020-12-01 17:07:06,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:07:06,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 267 states and 579 transitions. [2020-12-01 17:07:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 579 transitions. [2020-12-01 17:07:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:07:15,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:20,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 269 states and 582 transitions. [2020-12-01 17:07:20,516 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 582 transitions. [2020-12-01 17:07:20,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:07:20,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:46,548 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-12-01 17:07:55,557 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-12-01 17:08:04,231 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2020-12-01 17:08:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:06,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 281 states and 607 transitions. [2020-12-01 17:08:06,545 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 607 transitions. [2020-12-01 17:08:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:06,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:08:08,355 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-12-01 17:08:08,931 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-01 17:08:11,570 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 17:08:12,231 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-01 17:08:12,893 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-12-01 17:08:15,948 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-01 17:08:16,638 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-12-01 17:08:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 291 states and 635 transitions. [2020-12-01 17:08:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 635 transitions. [2020-12-01 17:08:44,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:44,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:08:50,332 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-01 17:08:54,077 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-12-01 17:08:59,451 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-01 17:09:04,493 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-12-01 17:09:09,553 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 17:09:11,407 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 17:09:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:18,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 298 states and 649 transitions. [2020-12-01 17:09:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 649 transitions. [2020-12-01 17:09:18,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:09:18,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:09:55,959 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-01 17:10:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:01,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 313 states and 684 transitions. [2020-12-01 17:10:01,399 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 684 transitions. [2020-12-01 17:10:01,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:10:01,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:10:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 317 states and 695 transitions. [2020-12-01 17:10:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 695 transitions. [2020-12-01 17:10:16,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:10:16,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:10:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:33,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 321 states and 704 transitions. [2020-12-01 17:10:33,289 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 704 transitions. [2020-12-01 17:10:33,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:10:33,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:42,362 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:10:46,292 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2020-12-01 17:10:48,775 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-12-01 17:10:53,175 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2020-12-01 17:10:56,976 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-01 17:11:02,408 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-12-01 17:11:05,219 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-01 17:11:08,642 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-01 17:11:10,441 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-12-01 17:11:25,930 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-01 17:11:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 331 states and 726 transitions. [2020-12-01 17:11:38,377 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 726 transitions. [2020-12-01 17:11:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:11:38,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:11:43,516 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-01 17:11:44,348 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-01 17:11:45,363 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-12-01 17:11:49,486 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:11:50,976 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2020-12-01 17:11:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 334 states and 730 transitions. [2020-12-01 17:11:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 730 transitions. [2020-12-01 17:11:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:11:54,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:11:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:59,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 334 states and 729 transitions. [2020-12-01 17:11:59,065 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 729 transitions. [2020-12-01 17:11:59,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:11:59,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:14,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:12:19,537 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-12-01 17:12:22,405 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-01 17:12:26,424 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 17:12:27,417 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-12-01 17:12:28,411 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-01 17:12:33,038 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 17:12:34,179 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-12-01 17:12:37,695 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-12-01 17:12:41,985 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 17:12:42,915 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-01 17:12:46,000 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-12-01 17:12:48,062 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-01 17:12:50,071 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 17:12:50,927 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-01 17:12:51,724 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-01 17:12:55,672 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-01 17:12:56,504 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-12-01 17:12:57,275 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-01 17:13:01,274 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-01 17:13:01,991 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-12-01 17:13:05,089 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-01 17:13:08,737 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-01 17:13:09,634 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-01 17:13:10,538 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-01 17:13:15,675 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-01 17:13:16,723 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-01 17:13:22,278 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-01 17:13:23,396 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2020-12-01 17:13:27,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:27,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 344 states and 751 transitions. [2020-12-01 17:13:27,967 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 751 transitions. [2020-12-01 17:13:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:13:27,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:46,876 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-12-01 17:13:50,038 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-12-01 17:13:51,296 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-12-01 17:13:56,673 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-01 17:14:00,518 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2020-12-01 17:14:03,053 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:14:05,601 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 17:14:09,979 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2020-12-01 17:14:14,479 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 17:14:15,293 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-12-01 17:14:16,436 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2020-12-01 17:14:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:20,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 350 states and 763 transitions. [2020-12-01 17:14:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 763 transitions. [2020-12-01 17:14:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:14:20,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:35,705 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:14:42,730 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-01 17:14:43,497 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2020-12-01 17:14:48,348 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-12-01 17:14:52,276 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2020-12-01 17:14:54,938 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 17:14:57,367 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 17:14:58,546 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-01 17:15:02,055 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-12-01 17:15:04,346 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 17:15:06,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:06,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 354 states and 771 transitions. [2020-12-01 17:15:06,812 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 771 transitions. [2020-12-01 17:15:06,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:15:06,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:08,102 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-01 17:15:08,997 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-12-01 17:15:11,395 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 17:15:13,377 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:15:14,149 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-12-01 17:15:14,876 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-12-01 17:15:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 358 states and 775 transitions. [2020-12-01 17:15:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 775 transitions. [2020-12-01 17:15:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:15:21,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:21,900 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-12-01 17:15:22,366 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-12-01 17:15:26,731 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-12-01 17:15:27,196 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2020-12-01 17:15:31,491 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-12-01 17:15:31,993 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-12-01 17:15:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:39,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 362 states and 787 transitions. [2020-12-01 17:15:39,820 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 787 transitions. [2020-12-01 17:15:39,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:15:39,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:15:39,858 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:15:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:15:39,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:15:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:15:40,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:15:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:15:40,141 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:15:41,682 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 95 iterations. [2020-12-01 17:15:41,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:15:41 ImpRootNode [2020-12-01 17:15:41,743 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:15:41,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:15:41,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:15:41,745 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:15:41,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:03:00" (3/4) ... [2020-12-01 17:15:41,750 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 17:15:41,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:15:41,752 INFO L168 Benchmark]: Toolchain (without parser) took 763287.31 ms. Allocated memory was 96.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 68.3 MB in the beginning and 984.6 MB in the end (delta: -916.2 MB). Peak memory consumption was 327.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:41,753 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory is still 55.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:15:41,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.65 ms. Allocated memory is still 96.5 MB. Free memory was 68.1 MB in the beginning and 62.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:41,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.38 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 60.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:41,754 INFO L168 Benchmark]: Boogie Preprocessor took 82.87 ms. Allocated memory is still 96.5 MB. Free memory was 60.8 MB in the beginning and 59.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:41,755 INFO L168 Benchmark]: RCFGBuilder took 1087.68 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 59.1 MB in the beginning and 66.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:41,756 INFO L168 Benchmark]: CodeCheck took 761178.66 ms. Allocated memory was 117.4 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 66.3 MB in the beginning and 984.6 MB in the end (delta: -918.3 MB). Peak memory consumption was 305.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:41,756 INFO L168 Benchmark]: Witness Printer took 6.65 ms. Allocated memory is still 1.3 GB. Free memory is still 984.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:15:41,760 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, 87 locations, 45 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 761.0s, OverallIterations: 95, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1868155262 SDslu, 16663800 SDs, 0 SdLazy, -1695695076 SolverSat, -361352730 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 170.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14097 GetRequests, 12482 SyntacticMatches, 365 SemanticMatches, 1250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803673 ImplicationChecksByTransitivity, 745.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 87.1s InterpolantComputationTime, 1467 NumberOfCodeBlocks, 1467 NumberOfCodeBlocksAsserted, 95 NumberOfCheckSat, 1348 ConstructedInterpolants, 0 QuantifiedInterpolants, 169968 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 94 InterpolantComputations, 73 PerfectInterpolantSequences, 34/111 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: [L999] SLL* head = malloc(sizeof(SLL)); [L1000] head->next = ((void*)0) [L1001] head->data = 0 [L1003] SLL* x = head; [L1006] COND FALSE !(__VERIFIER_nondet_int()) [L1016] COND FALSE !(__VERIFIER_nondet_int()) [L1025] x = head [L1026] x->next [L1026] COND FALSE !(x->next) [L1033] EXPR x->next [L1033] SLL* y = x->next; [L1034] x->next = malloc(sizeof(SLL)) [L1035] x->data = 1 [L1036] x->next = y [L1040] x = head [L1043] EXPR x->data [L1043] COND FALSE !(x->data != 1) [L1049] EXPR x->next [L1049] x = x->next [L1050] COND FALSE !(\read(*x)) [L1058] x = head [L1059] COND TRUE x != ((void*)0) [L1061] head = x [L1062] EXPR x->next [L1062] x = x->next [L1063] free(head) [L1063] free(head) [L1063] free(head) [L1059] COND FALSE !(x != ((void*)0)) [L1066] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory is still 55.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 815.65 ms. Allocated memory is still 96.5 MB. Free memory was 68.1 MB in the beginning and 62.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.38 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 60.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.87 ms. Allocated memory is still 96.5 MB. Free memory was 60.8 MB in the beginning and 59.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1087.68 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 59.1 MB in the beginning and 66.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 761178.66 ms. Allocated memory was 117.4 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 66.3 MB in the beginning and 984.6 MB in the end (delta: -918.3 MB). Peak memory consumption was 305.0 MB. Max. memory is 16.1 GB. * Witness Printer took 6.65 ms. Allocated memory is still 1.3 GB. Free memory is still 984.6 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 0.2.0-69874e2 [2020-12-01 17:15:44,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:15:44,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:15:44,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:15:44,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:15:44,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:15:44,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:15:44,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:15:44,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:15:44,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:15:44,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:15:44,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:15:44,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:15:44,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:15:44,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:15:44,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:15:44,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:15:44,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:15:44,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:15:44,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:15:44,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:15:44,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:15:44,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:15:44,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:15:44,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:15:44,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:15:44,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:15:44,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:15:44,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:15:44,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:15:44,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:15:44,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:15:44,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:15:44,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:15:44,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:15:44,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:15:44,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:15:44,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:15:44,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:15:44,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:15:44,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:15:44,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-12-01 17:15:44,887 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:15:44,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:15:44,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:15:44,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:15:44,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:15:44,890 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:15:44,890 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:15:44,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:15:44,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:15:44,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:15:44,891 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:15:44,892 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:15:44,892 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:15:44,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:15:44,892 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:15:44,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:15:44,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:15:44,893 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:15:44,894 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:15:44,894 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:15:44,894 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:15:44,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:15:44,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:15:44,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:15:44,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:15:44,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:15:44,896 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:15:44,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:15:44,897 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:15:44,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:15:44,897 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_3696b893-506f-416a-a1a6-d548fccdbab3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d82c8ca4c880c13a152abb4a8dcf1f5948563b2 [2020-12-01 17:15:45,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:15:45,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:15:45,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:15:45,357 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:15:45,360 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:15:45,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2020-12-01 17:15:45,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/data/c0271a6de/a795731d009e437dadacf08b561fa1d4/FLAG554080330 [2020-12-01 17:15:46,274 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:15:46,275 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2020-12-01 17:15:46,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/data/c0271a6de/a795731d009e437dadacf08b561fa1d4/FLAG554080330 [2020-12-01 17:15:46,493 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/data/c0271a6de/a795731d009e437dadacf08b561fa1d4 [2020-12-01 17:15:46,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:15:46,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:15:46,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:15:46,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:15:46,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:15:46,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:15:46" (1/1) ... [2020-12-01 17:15:46,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409a8614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:46, skipping insertion in model container [2020-12-01 17:15:46,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:15:46" (1/1) ... [2020-12-01 17:15:46,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:15:46,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:15:47,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:15:47,167 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:15:47,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:15:47,333 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:15:47,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47 WrapperNode [2020-12-01 17:15:47,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:15:47,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:15:47,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:15:47,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:15:47,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47" (1/1) ... [2020-12-01 17:15:47,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47" (1/1) ... [2020-12-01 17:15:47,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:15:47,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:15:47,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:15:47,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:15:47,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47" (1/1) ... [2020-12-01 17:15:47,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47" (1/1) ... [2020-12-01 17:15:47,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47" (1/1) ... [2020-12-01 17:15:47,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47" (1/1) ... [2020-12-01 17:15:47,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47" (1/1) ... [2020-12-01 17:15:47,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47" (1/1) ... [2020-12-01 17:15:47,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47" (1/1) ... [2020-12-01 17:15:47,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:15:47,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:15:47,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:15:47,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:15:47,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3696b893-506f-416a-a1a6-d548fccdbab3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:15:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 17:15:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:15:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 17:15:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:15:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 17:15:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:15:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 17:15:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:15:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:15:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:15:48,768 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:15:48,768 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-01 17:15:48,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:48 BoogieIcfgContainer [2020-12-01 17:15:48,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:15:48,773 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:15:48,774 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:15:48,786 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:15:48,787 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:48" (1/1) ... [2020-12-01 17:15:48,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:15:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 85 states and 98 transitions. [2020-12-01 17:15:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-12-01 17:15:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 17:15:48,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:48,914 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) [2020-12-01 17:15:48,919 INFO L168 Benchmark]: Toolchain (without parser) took 2416.98 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 41.3 MB in the beginning and 50.0 MB in the end (delta: -8.7 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:48,920 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:15:48,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.19 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 31.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:48,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.68 ms. Allocated memory is still 62.9 MB. Free memory was 31.9 MB in the beginning and 29.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:48,927 INFO L168 Benchmark]: Boogie Preprocessor took 45.12 ms. Allocated memory is still 62.9 MB. Free memory was 29.7 MB in the beginning and 27.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:48,929 INFO L168 Benchmark]: RCFGBuilder took 1317.99 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 27.9 MB in the beginning and 55.0 MB in the end (delta: -27.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:48,930 INFO L168 Benchmark]: CodeCheck took 143.60 ms. Allocated memory is still 75.5 MB. Free memory was 55.0 MB in the beginning and 50.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:48,944 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 0.42 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 829.19 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 31.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.68 ms. Allocated memory is still 62.9 MB. Free memory was 31.9 MB in the beginning and 29.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.12 ms. Allocated memory is still 62.9 MB. Free memory was 29.7 MB in the beginning and 27.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1317.99 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 27.9 MB in the beginning and 55.0 MB in the end (delta: -27.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * CodeCheck took 143.60 ms. Allocated memory is still 75.5 MB. Free memory was 55.0 MB in the beginning and 50.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...