./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/divbin2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/divbin2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/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 441c31553b45ac9efb70ac4fc5cbac92f6f2abcf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/divbin2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/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 441c31553b45ac9efb70ac4fc5cbac92f6f2abcf .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:55:31,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:55:31,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:55:31,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:55:31,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:55:31,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:55:31,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:55:31,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:55:31,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:55:31,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:55:31,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:55:31,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:55:31,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:55:31,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:55:31,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:55:31,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:55:31,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:55:31,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:55:31,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:55:31,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:55:31,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:55:31,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:55:31,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:55:31,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:55:31,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:55:31,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:55:31,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:55:31,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:55:31,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:55:31,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:55:31,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:55:31,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:55:31,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:55:31,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:55:31,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:55:31,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:55:31,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:55:31,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:55:31,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:55:31,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:55:31,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:55:31,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 23:55:31,787 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:55:31,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:55:31,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:55:31,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:55:31,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:55:31,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:55:31,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:55:31,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:55:31,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:55:31,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:55:31,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:55:31,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:55:31,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:55:31,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:55:31,797 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:55:31,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:55:31,797 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:55:31,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:55:31,798 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:55:31,798 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:55:31,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:55:31,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:55:31,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:55:31,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:55:31,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:55:31,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:55:31,803 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:55:31,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:55:31,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:55:31,806 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_ef5114a4-24cb-4664-81d3-5178a0b02332/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 441c31553b45ac9efb70ac4fc5cbac92f6f2abcf [2020-11-29 23:55:32,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:55:32,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:55:32,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:55:32,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:55:32,119 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:55:32,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/../../sv-benchmarks/c/nla-digbench/divbin2.i [2020-11-29 23:55:32,212 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/data/9e4315b12/5ea612f3070640b19aefc528c6a15578/FLAG97b512e97 [2020-11-29 23:55:32,608 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:55:32,608 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/sv-benchmarks/c/nla-digbench/divbin2.i [2020-11-29 23:55:32,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/data/9e4315b12/5ea612f3070640b19aefc528c6a15578/FLAG97b512e97 [2020-11-29 23:55:33,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/data/9e4315b12/5ea612f3070640b19aefc528c6a15578 [2020-11-29 23:55:33,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:55:33,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:55:33,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:33,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:55:33,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:55:33,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdcbfd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33, skipping insertion in model container [2020-11-29 23:55:33,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:55:33,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:55:33,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:33,234 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:55:33,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:33,267 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:55:33,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33 WrapperNode [2020-11-29 23:55:33,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:33,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:33,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:55:33,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:55:33,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:33,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:55:33,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:55:33,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:55:33,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:55:33,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:55:33,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:55:33,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:55:33,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:55:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:55:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:55:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:55:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:55:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-29 23:55:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-29 23:55:33,746 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:55:33,746 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 23:55:33,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:33 BoogieIcfgContainer [2020-11-29 23:55:33,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:55:33,750 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:55:33,750 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:55:33,767 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:55:33,768 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:33" (1/1) ... [2020-11-29 23:55:33,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:33,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2020-11-29 23:55:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2020-11-29 23:55:33,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 23:55:33,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:33,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2020-11-29 23:55:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2020-11-29 23:55:33,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 23:55:33,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:34,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-29 23:55:34,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2020-11-29 23:55:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2020-11-29 23:55:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:55:34,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:34,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:55:34,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2020-11-29 23:55:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2020-11-29 23:55:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:55:34,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:35,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 23:55:35,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:35,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:35,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2020-11-29 23:55:35,702 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2020-11-29 23:55:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:55:35,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:35,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-29 23:55:35,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:37,246 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-29 23:55:37,492 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-11-29 23:55:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2020-11-29 23:55:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-11-29 23:55:37,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 23:55:37,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:38,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 25 conjunts are in the unsatisfiable core [2020-11-29 23:55:38,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:50,410 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-11-29 23:56:12,058 WARN L193 SmtUtils]: Spent 10.51 s on a formula simplification that was a NOOP. DAG size: 34 [2020-11-29 23:57:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2020-11-29 23:57:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2020-11-29 23:57:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:04,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:04,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:04,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:06,225 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2020-11-29 23:57:06,811 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2020-11-29 23:57:07,572 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-29 23:57:08,298 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-11-29 23:57:21,376 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-11-29 23:57:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2020-11-29 23:57:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:24,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:24,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:24,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2020-11-29 23:57:25,153 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:25,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:25,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:25,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:25,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:28,047 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:29,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:29,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:29,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:29,744 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:29,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:29,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:29,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:29,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:30,545 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:30,583 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:30,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:30,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:30,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:31,011 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:31,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:31,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:31,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:31,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:31,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:31,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:31,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:31,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:31,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:31,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:32,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:32,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:32,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:32,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:32,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:32,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:32,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:33,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:33,047 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:33,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:33,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:33,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:33,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:33,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:33,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:34,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:34,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:34,002 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:34,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:34,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 28 conjunts are in the unsatisfiable core [2020-11-29 23:57:34,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:35,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:35,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:35,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:35,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:35,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:35,822 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:35,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:35,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:35,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:36,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:36,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:36,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:36,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:36,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:36,963 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:36,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:36,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:37,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:37,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:37,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:37,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:37,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:37,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:37,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:37,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:37,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:38,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:38,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:38,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:38,562 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:38,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:38,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:38,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:38,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:39,016 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:39,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:39,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:39,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:39,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:39,519 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:39,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:39,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:39,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:39,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:40,173 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:40,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:40,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:40,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:40,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:40,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:40,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:40,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:40,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:41,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:41,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:41,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:57:41,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:42,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:42,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:42,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:42,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:42,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:42,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:42,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:43,504 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:43,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:43,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:43,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:44,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:44,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:44,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:44,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:44,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:44,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:45,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:45,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:45,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:45,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:45,641 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:45,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:45,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:45,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:46,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:46,188 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:46,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:46,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-29 23:57:46,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:46,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:46,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 84 transitions. [2020-11-29 23:57:46,744 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-11-29 23:57:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:57:46,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2020-11-29 23:57:57,195 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 23:57:57,200 INFO L168 Benchmark]: Toolchain (without parser) took 144173.84 ms. Allocated memory was 90.2 MB in the beginning and 144.7 MB in the end (delta: 54.5 MB). Free memory was 57.6 MB in the beginning and 90.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:57,201 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:57:57,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.47 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 57.6 MB in the beginning and 96.9 MB in the end (delta: -39.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:57,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.71 ms. Allocated memory is still 119.5 MB. Free memory was 96.2 MB in the beginning and 95.4 MB in the end (delta: 859.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:57,203 INFO L168 Benchmark]: Boogie Preprocessor took 22.10 ms. Allocated memory is still 119.5 MB. Free memory was 95.4 MB in the beginning and 94.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:57:57,204 INFO L168 Benchmark]: RCFGBuilder took 422.31 ms. Allocated memory is still 119.5 MB. Free memory was 94.1 MB in the beginning and 78.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:57,205 INFO L168 Benchmark]: CodeCheck took 143448.37 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 78.0 MB in the beginning and 90.1 MB in the end (delta: -12.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:57,209 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 238.47 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 57.6 MB in the beginning and 96.9 MB in the end (delta: -39.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.71 ms. Allocated memory is still 119.5 MB. Free memory was 96.2 MB in the beginning and 95.4 MB in the end (delta: 859.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.10 ms. Allocated memory is still 119.5 MB. Free memory was 95.4 MB in the beginning and 94.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 422.31 ms. Allocated memory is still 119.5 MB. Free memory was 94.1 MB in the beginning and 78.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 143448.37 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 78.0 MB in the beginning and 90.1 MB in the end (delta: -12.1 MB). Peak memory consumption was 14.3 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-a4ecdab [2020-11-29 23:57:59,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:57:59,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:57:59,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:57:59,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:57:59,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:57:59,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:57:59,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:57:59,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:57:59,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:57:59,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:57:59,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:57:59,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:57:59,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:57:59,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:57:59,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:58:00,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:58:00,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:58:00,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:58:00,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:58:00,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:58:00,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:58:00,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:58:00,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:58:00,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:58:00,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:58:00,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:58:00,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:58:00,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:58:00,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:58:00,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:58:00,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:58:00,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:58:00,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:58:00,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:58:00,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:58:00,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:58:00,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:58:00,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:58:00,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:58:00,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:58:00,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-29 23:58:00,113 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:58:00,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:58:00,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:58:00,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:58:00,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:58:00,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:58:00,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:58:00,119 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:58:00,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:58:00,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:58:00,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:58:00,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:58:00,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:58:00,122 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 23:58:00,122 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:58:00,122 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:58:00,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:58:00,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:58:00,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:58:00,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:58:00,123 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:58:00,124 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:58:00,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:58:00,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:58:00,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:58:00,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:58:00,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:58:00,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:58:00,126 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 23:58:00,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:58:00,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:58:00,126 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 23:58:00,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:58:00,137 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_ef5114a4-24cb-4664-81d3-5178a0b02332/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 441c31553b45ac9efb70ac4fc5cbac92f6f2abcf [2020-11-29 23:58:00,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:58:00,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:58:00,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:58:00,654 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:58:00,657 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:58:00,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/../../sv-benchmarks/c/nla-digbench/divbin2.i [2020-11-29 23:58:00,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/data/cabffab78/a8c04666c3394141b64e18d8ffca8a8c/FLAGfa04f6094 [2020-11-29 23:58:01,295 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:58:01,296 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/sv-benchmarks/c/nla-digbench/divbin2.i [2020-11-29 23:58:01,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/data/cabffab78/a8c04666c3394141b64e18d8ffca8a8c/FLAGfa04f6094 [2020-11-29 23:58:01,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/data/cabffab78/a8c04666c3394141b64e18d8ffca8a8c [2020-11-29 23:58:01,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:58:01,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:58:01,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:58:01,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:58:01,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:58:01,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:58:01" (1/1) ... [2020-11-29 23:58:01,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ad7bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:01, skipping insertion in model container [2020-11-29 23:58:01,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:58:01" (1/1) ... [2020-11-29 23:58:01,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:58:01,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:58:01,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:58:02,022 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:58:02,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:58:02,063 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:58:02,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02 WrapperNode [2020-11-29 23:58:02,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:58:02,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:58:02,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:58:02,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:58:02,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02" (1/1) ... [2020-11-29 23:58:02,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02" (1/1) ... [2020-11-29 23:58:02,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:58:02,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:58:02,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:58:02,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:58:02,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02" (1/1) ... [2020-11-29 23:58:02,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02" (1/1) ... [2020-11-29 23:58:02,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02" (1/1) ... [2020-11-29 23:58:02,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02" (1/1) ... [2020-11-29 23:58:02,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02" (1/1) ... [2020-11-29 23:58:02,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02" (1/1) ... [2020-11-29 23:58:02,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02" (1/1) ... [2020-11-29 23:58:02,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:58:02,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:58:02,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:58:02,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:58:02,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef5114a4-24cb-4664-81d3-5178a0b02332/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:58:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 23:58:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:58:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:58:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:58:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-29 23:58:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-29 23:58:02,851 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:58:02,852 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 23:58:02,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:58:02 BoogieIcfgContainer [2020-11-29 23:58:02,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:58:02,855 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:58:02,856 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:58:02,869 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:58:02,869 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:58:02" (1/1) ... [2020-11-29 23:58:02,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:02,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:58:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2020-11-29 23:58:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2020-11-29 23:58:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 23:58:02,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:58:03,007 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 23:58:03,016 INFO L168 Benchmark]: Toolchain (without parser) took 1319.91 ms. Allocated memory is still 71.3 MB. Free memory was 56.5 MB in the beginning and 33.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:03,018 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:58:03,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.55 ms. Allocated memory is still 71.3 MB. Free memory was 56.3 MB in the beginning and 46.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:03,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.03 ms. Allocated memory is still 71.3 MB. Free memory was 46.4 MB in the beginning and 55.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:03,024 INFO L168 Benchmark]: Boogie Preprocessor took 44.34 ms. Allocated memory is still 71.3 MB. Free memory was 55.9 MB in the beginning and 54.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:58:03,026 INFO L168 Benchmark]: RCFGBuilder took 657.33 ms. Allocated memory is still 71.3 MB. Free memory was 54.6 MB in the beginning and 38.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:03,027 INFO L168 Benchmark]: CodeCheck took 156.86 ms. Allocated memory is still 71.3 MB. Free memory was 38.5 MB in the beginning and 33.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:03,039 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 0.33 ms. Allocated memory is still 71.3 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 366.55 ms. Allocated memory is still 71.3 MB. Free memory was 56.3 MB in the beginning and 46.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.03 ms. Allocated memory is still 71.3 MB. Free memory was 46.4 MB in the beginning and 55.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.34 ms. Allocated memory is still 71.3 MB. Free memory was 55.9 MB in the beginning and 54.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 657.33 ms. Allocated memory is still 71.3 MB. Free memory was 54.6 MB in the beginning and 38.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 156.86 ms. Allocated memory is still 71.3 MB. Free memory was 38.5 MB in the beginning and 33.6 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...