./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17f8fa16a531b53386722682cc79d474a0e84ed5 ............................................................................................................................................................................................................................................................................... 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_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17f8fa16a531b53386722682cc79d474a0e84ed5 .................................................................................................................................................................................................................. 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 18:04:42,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:04:42,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:04:42,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:04:42,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:04:42,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:04:42,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:04:42,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:04:42,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:04:42,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:04:42,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:04:42,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:04:42,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:04:42,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:04:42,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:04:42,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:04:42,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:04:42,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:04:42,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:04:42,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:04:42,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:04:42,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:04:42,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:04:42,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:04:42,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:04:42,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:04:42,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:04:42,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:04:42,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:04:42,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:04:42,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:04:42,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:04:42,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:04:42,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:04:42,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:04:42,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:04:42,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:04:42,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:04:42,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:04:42,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:04:42,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:04:42,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:04:42,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:04:42,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:04:42,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:04:42,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:04:42,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:04:42,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:04:42,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:04:42,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:04:42,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:04:42,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:04:42,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:04:42,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:04:42,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:04:42,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:04:42,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:04:42,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:04:42,843 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:04:42,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:04:42,844 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:04:42,844 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:04:42,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:04:42,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:04:42,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:04:42,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:04:42,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:04:42,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:04:42,846 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:04:42,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:04:42,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:04:42,847 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_4bba92fa-77ff-43f7-a38a-84fbde1976b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17f8fa16a531b53386722682cc79d474a0e84ed5 [2020-12-01 18:04:43,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:04:43,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:04:43,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:04:43,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:04:43,209 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:04:43,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2020-12-01 18:04:43,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/data/8630a11c8/54e00018f6ab48439280d44f80df4273/FLAG2626bc748 [2020-12-01 18:04:43,846 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:04:43,847 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2020-12-01 18:04:43,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/data/8630a11c8/54e00018f6ab48439280d44f80df4273/FLAG2626bc748 [2020-12-01 18:04:44,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/data/8630a11c8/54e00018f6ab48439280d44f80df4273 [2020-12-01 18:04:44,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:04:44,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:04:44,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:04:44,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:04:44,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:04:44,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee50ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44, skipping insertion in model container [2020-12-01 18:04:44,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:04:44,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:04:44,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:04:44,567 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:04:44,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:04:44,639 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:04:44,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44 WrapperNode [2020-12-01 18:04:44,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:04:44,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:04:44,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:04:44,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:04:44,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:04:44,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:04:44,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:04:44,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:04:44,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44" (1/1) ... [2020-12-01 18:04:44,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:04:44,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:04:44,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:04:44,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:04:44,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:04:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:04:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:04:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:04:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:04:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 18:04:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 18:04:45,280 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:04:45,281 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:04:45,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:04:45 BoogieIcfgContainer [2020-12-01 18:04:45,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:04:45,285 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:04:45,285 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:04:45,298 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:04:45,299 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:04:45" (1/1) ... [2020-12-01 18:04:45,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:04:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:45,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2020-12-01 18:04:45,378 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2020-12-01 18:04:45,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:04:45,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:04:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:45,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2020-12-01 18:04:45,561 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-12-01 18:04:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:04:45,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:45,711 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 18:04:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:45,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2020-12-01 18:04:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2020-12-01 18:04:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:04:45,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:45,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 18:04:45,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:04:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:04:46,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:46,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2020-12-01 18:04:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-12-01 18:04:46,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:04:46,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:46,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 18:04:46,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:04:46,560 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:04:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 42 transitions. [2020-12-01 18:04:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2020-12-01 18:04:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:04:46,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:46,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-01 18:04:46,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:04:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 18:04:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 48 transitions. [2020-12-01 18:04:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2020-12-01 18:04:46,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:04:46,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:46,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-01 18:04:46,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:04:47,011 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 18:04:47,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:47,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 51 transitions. [2020-12-01 18:04:47,166 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2020-12-01 18:04:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:04:47,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:47,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 18:04:47,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:04:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 18:04:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 52 transitions. [2020-12-01 18:04:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2020-12-01 18:04:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:04:47,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:47,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-01 18:04:47,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:04:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 18:04:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 54 transitions. [2020-12-01 18:04:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2020-12-01 18:04:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:04:48,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:48,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 18:04:48,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:04:48,141 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopStatisticsGenerator.addTraceCheckData(CegarLoopStatisticsGenerator.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:460) 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 18:04:48,155 INFO L168 Benchmark]: Toolchain (without parser) took 3943.68 ms. Allocated memory was 86.0 MB in the beginning and 138.4 MB in the end (delta: 52.4 MB). Free memory was 52.1 MB in the beginning and 52.6 MB in the end (delta: -446.4 kB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:48,158 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:04:48,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.91 ms. Allocated memory is still 86.0 MB. Free memory was 51.9 MB in the beginning and 63.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:48,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.91 ms. Allocated memory is still 86.0 MB. Free memory was 63.5 MB in the beginning and 61.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:48,163 INFO L168 Benchmark]: Boogie Preprocessor took 45.03 ms. Allocated memory is still 86.0 MB. Free memory was 61.9 MB in the beginning and 60.9 MB in the end (delta: 962.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:04:48,165 INFO L168 Benchmark]: RCFGBuilder took 542.38 ms. Allocated memory is still 86.0 MB. Free memory was 60.9 MB in the beginning and 44.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:48,166 INFO L168 Benchmark]: CodeCheck took 2866.23 ms. Allocated memory was 86.0 MB in the beginning and 138.4 MB in the end (delta: 52.4 MB). Free memory was 44.6 MB in the beginning and 52.6 MB in the end (delta: -8.0 MB). Peak memory consumption was 46.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:48,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: NullPointerException: null: de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:68) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 430.91 ms. Allocated memory is still 86.0 MB. Free memory was 51.9 MB in the beginning and 63.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.91 ms. Allocated memory is still 86.0 MB. Free memory was 63.5 MB in the beginning and 61.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.03 ms. Allocated memory is still 86.0 MB. Free memory was 61.9 MB in the beginning and 60.9 MB in the end (delta: 962.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 542.38 ms. Allocated memory is still 86.0 MB. Free memory was 60.9 MB in the beginning and 44.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 2866.23 ms. Allocated memory was 86.0 MB in the beginning and 138.4 MB in the end (delta: 52.4 MB). Free memory was 44.6 MB in the beginning and 52.6 MB in the end (delta: -8.0 MB). Peak memory consumption was 46.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 18:04:51,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:04:51,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:04:51,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:04:51,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:04:51,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:04:51,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:04:51,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:04:51,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:04:51,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:04:51,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:04:51,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:04:51,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:04:51,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:04:51,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:04:51,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:04:51,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:04:51,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:04:51,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:04:51,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:04:51,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:04:51,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:04:51,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:04:51,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:04:51,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:04:51,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:04:51,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:04:51,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:04:51,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:04:51,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:04:51,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:04:51,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:04:51,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:04:51,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:04:51,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:04:51,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:04:51,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:04:51,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:04:51,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:04:51,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:04:51,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:04:51,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 18:04:51,209 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:04:51,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:04:51,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:04:51,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:04:51,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:04:51,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:04:51,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:04:51,213 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:04:51,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:04:51,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:04:51,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:04:51,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:04:51,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:04:51,215 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 18:04:51,216 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 18:04:51,216 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 18:04:51,216 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:04:51,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:04:51,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:04:51,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:04:51,217 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:04:51,217 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:04:51,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:04:51,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:04:51,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:04:51,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:04:51,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:04:51,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:04:51,218 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 18:04:51,223 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 18:04:51,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:04:51,223 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 18:04:51,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 18:04:51,224 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_4bba92fa-77ff-43f7-a38a-84fbde1976b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17f8fa16a531b53386722682cc79d474a0e84ed5 [2020-12-01 18:04:51,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:04:51,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:04:51,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:04:51,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:04:51,704 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:04:51,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2020-12-01 18:04:51,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/data/1f006dfc7/ca8ec21d81ab4c4287c9708df3b8fc7e/FLAGc9e2d6e98 [2020-12-01 18:04:52,422 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:04:52,424 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2020-12-01 18:04:52,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/data/1f006dfc7/ca8ec21d81ab4c4287c9708df3b8fc7e/FLAGc9e2d6e98 [2020-12-01 18:04:52,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/data/1f006dfc7/ca8ec21d81ab4c4287c9708df3b8fc7e [2020-12-01 18:04:52,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:04:52,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:04:52,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:04:52,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:04:52,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:04:52,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:04:52" (1/1) ... [2020-12-01 18:04:52,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15dde3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:52, skipping insertion in model container [2020-12-01 18:04:52,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:04:52" (1/1) ... [2020-12-01 18:04:52,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:04:52,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:04:53,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:04:53,111 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:04:53,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:04:53,193 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:04:53,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53 WrapperNode [2020-12-01 18:04:53,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:04:53,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:04:53,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:04:53,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:04:53,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53" (1/1) ... [2020-12-01 18:04:53,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53" (1/1) ... [2020-12-01 18:04:53,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:04:53,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:04:53,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:04:53,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:04:53,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53" (1/1) ... [2020-12-01 18:04:53,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53" (1/1) ... [2020-12-01 18:04:53,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53" (1/1) ... [2020-12-01 18:04:53,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53" (1/1) ... [2020-12-01 18:04:53,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53" (1/1) ... [2020-12-01 18:04:53,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53" (1/1) ... [2020-12-01 18:04:53,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53" (1/1) ... [2020-12-01 18:04:53,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:04:53,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:04:53,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:04:53,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:04:53,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:04:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4bba92fa-77ff-43f7-a38a-84fbde1976b1/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:04:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 18:04:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:04:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:04:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:04:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 18:04:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 18:04:54,072 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:04:54,072 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:04:54,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:04:54 BoogieIcfgContainer [2020-12-01 18:04:54,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:04:54,077 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:04:54,077 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:04:54,098 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:04:54,099 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:04:54" (1/1) ... [2020-12-01 18:04:54,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:04:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2020-12-01 18:04:54,171 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2020-12-01 18:04:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:04:54,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:54,225 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 18:04:54,230 INFO L168 Benchmark]: Toolchain (without parser) took 1413.94 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.9 MB in the beginning and 39.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:54,231 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:04:54,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.11 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 37.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:54,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.54 ms. Allocated memory is still 54.5 MB. Free memory was 37.8 MB in the beginning and 36.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:54,235 INFO L168 Benchmark]: Boogie Preprocessor took 45.08 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 35.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:04:54,236 INFO L168 Benchmark]: RCFGBuilder took 751.93 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 35.1 MB in the beginning and 44.9 MB in the end (delta: -9.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:54,237 INFO L168 Benchmark]: CodeCheck took 150.80 ms. Allocated memory is still 67.1 MB. Free memory was 44.9 MB in the beginning and 39.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:04:54,241 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 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.11 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 37.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.54 ms. Allocated memory is still 54.5 MB. Free memory was 37.8 MB in the beginning and 36.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.08 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 35.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 751.93 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 35.1 MB in the beginning and 44.9 MB in the end (delta: -9.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * CodeCheck took 150.80 ms. Allocated memory is still 67.1 MB. Free memory was 44.9 MB in the beginning and 39.9 MB in the end (delta: 4.9 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...