./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c --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_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/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 702071532e6e872fafdd47fc8c806b795c078c35 ............................................................................................................................................................................................................................................................. 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_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/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 702071532e6e872fafdd47fc8c806b795c078c35 .................................................................................................................................................................................................................... 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 20:53:17,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:53:17,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:53:17,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:53:17,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:53:17,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:53:17,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:53:17,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:53:17,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:53:17,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:53:17,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:53:17,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:53:17,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:53:17,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:53:17,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:53:17,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:53:17,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:53:17,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:53:17,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:53:17,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:53:17,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:53:17,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:53:17,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:53:17,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:53:17,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:53:17,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:53:17,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:53:17,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:53:17,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:53:17,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:53:17,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:53:17,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:53:17,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:53:17,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:53:17,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:53:17,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:53:17,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:53:17,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:53:17,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:53:17,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:53:17,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:53:17,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:53:17,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:53:17,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:53:17,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:53:17,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:53:17,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:53:17,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:53:17,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:53:17,564 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:53:17,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:53:17,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:53:17,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:53:17,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:53:17,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:53:17,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:53:17,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:53:17,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:53:17,568 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:53:17,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:53:17,569 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:53:17,569 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:53:17,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:53:17,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:53:17,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:53:17,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:53:17,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:53:17,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:53:17,572 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:53:17,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:53:17,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:53:17,573 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_2e417db1-e21e-41ec-880d-791ffb2d57ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702071532e6e872fafdd47fc8c806b795c078c35 [2020-11-29 20:53:17,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:53:17,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:53:17,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:53:17,944 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:53:17,947 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:53:17,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2020-11-29 20:53:18,063 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/data/e49dc1f8c/b5fbe090ce60402e964b08d8aad646d6/FLAG0d74537dd [2020-11-29 20:53:18,790 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:53:18,790 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2020-11-29 20:53:18,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/data/e49dc1f8c/b5fbe090ce60402e964b08d8aad646d6/FLAG0d74537dd [2020-11-29 20:53:19,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/data/e49dc1f8c/b5fbe090ce60402e964b08d8aad646d6 [2020-11-29 20:53:19,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:53:19,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:53:19,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:53:19,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:53:19,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:53:19,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15dff496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19, skipping insertion in model container [2020-11-29 20:53:19,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:53:19,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:53:19,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:53:19,582 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:53:19,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:53:19,661 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:53:19,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19 WrapperNode [2020-11-29 20:53:19,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:53:19,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:53:19,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:53:19,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:53:19,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:53:19,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:53:19,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:53:19,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:53:19,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19" (1/1) ... [2020-11-29 20:53:19,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:53:19,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:53:19,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:53:19,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:53:19,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/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 20:53:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-29 20:53:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-29 20:53:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:53:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:53:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:53:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:53:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-29 20:53:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-29 20:53:20,500 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:53:20,501 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-29 20:53:20,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:53:20 BoogieIcfgContainer [2020-11-29 20:53:20,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:53:20,505 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:53:20,505 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:53:20,524 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:53:20,525 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:53:20" (1/1) ... [2020-11-29 20:53:20,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:53:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2020-11-29 20:53:20,604 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2020-11-29 20:53:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 20:53:20,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:53:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:20,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 20:53:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:53:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2020-11-29 20:53:20,897 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2020-11-29 20:53:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 20:53:20,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:53:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:21,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 20:53:21,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:53:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 20:53:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:53:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2020-11-29 20:53:35,426 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2020-11-29 20:53:35,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 20:53:35,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:53:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:35,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 20:53:35,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:53:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 20:53:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:53:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2020-11-29 20:53:36,370 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2020-11-29 20:53:36,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 20:53:36,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:53:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:36,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 20:53:36,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:54:35,563 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-11-29 20:54:35,632 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:54:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 20:54:49,598 WARN L838 $PredicateComparison]: unable to prove that (not (= (mod (+ (* c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~u~0) (* c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~v~0)) 4294967296) (mod (* (* c_ULTIMATE.start_main_~a~0 2) c_ULTIMATE.start_main_~b~0) 4294967296))) is different from false [2020-11-29 20:54:59,635 WARN L860 $PredicateComparison]: unable to prove that (not (= (mod (+ (* c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~u~0) (* c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~v~0)) 4294967296) (mod (* (* c_ULTIMATE.start_main_~a~0 2) c_ULTIMATE.start_main_~b~0) 4294967296))) is different from true [2020-11-29 20:55:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:55:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2020-11-29 20:55:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2020-11-29 20:55:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 20:55:14,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:55:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:55:14,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 20:55:14,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:55:15,427 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 20:56:50,258 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification that was a NOOP. DAG size: 20 [2020-11-29 20:57:42,074 WARN L193 SmtUtils]: Spent 5.81 s on a formula simplification that was a NOOP. DAG size: 20 [2020-11-29 20:58:51,549 WARN L193 SmtUtils]: Spent 6.25 s on a formula simplification that was a NOOP. DAG size: 21 [2020-11-29 21:00:40,288 WARN L193 SmtUtils]: Spent 15.65 s on a formula simplification that was a NOOP. DAG size: 21 [2020-11-29 21:02:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:02:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2020-11-29 21:02:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2020-11-29 21:02:28,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 21:02:28,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:02:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2020-11-29 21:02:38,670 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 21:02:38,674 INFO L168 Benchmark]: Toolchain (without parser) took 559509.80 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 62.4 MB in the beginning and 43.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 50.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:02:38,675 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 90.2 MB. Free memory is still 48.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:02:38,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.08 ms. Allocated memory is still 90.2 MB. Free memory was 62.1 MB in the beginning and 67.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:02:38,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.38 ms. Allocated memory is still 90.2 MB. Free memory was 67.0 MB in the beginning and 65.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:02:38,677 INFO L168 Benchmark]: Boogie Preprocessor took 56.34 ms. Allocated memory is still 90.2 MB. Free memory was 65.5 MB in the beginning and 64.5 MB in the end (delta: 971.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:02:38,679 INFO L168 Benchmark]: RCFGBuilder took 705.98 ms. Allocated memory is still 90.2 MB. Free memory was 64.5 MB in the beginning and 47.0 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 21:02:38,680 INFO L168 Benchmark]: CodeCheck took 558167.49 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 47.0 MB in the beginning and 43.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:02:38,683 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 0.49 ms. Allocated memory is still 90.2 MB. Free memory is still 48.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 493.08 ms. Allocated memory is still 90.2 MB. Free memory was 62.1 MB in the beginning and 67.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.38 ms. Allocated memory is still 90.2 MB. Free memory was 67.0 MB in the beginning and 65.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.34 ms. Allocated memory is still 90.2 MB. Free memory was 65.5 MB in the beginning and 64.5 MB in the end (delta: 971.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 705.98 ms. Allocated memory is still 90.2 MB. Free memory was 64.5 MB in the beginning and 47.0 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 558167.49 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 47.0 MB in the beginning and 43.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:02:41,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:02:41,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:02:41,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:02:41,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:02:41,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:02:41,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:02:41,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:02:41,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:02:41,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:02:41,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:02:41,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:02:41,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:02:41,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:02:41,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:02:41,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:02:41,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:02:41,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:02:41,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:02:41,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:02:41,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:02:41,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:02:41,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:02:41,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:02:41,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:02:41,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:02:41,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:02:41,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:02:41,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:02:41,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:02:41,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:02:41,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:02:41,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:02:41,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:02:41,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:02:41,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:02:41,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:02:41,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:02:41,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:02:41,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:02:41,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:02:41,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-29 21:02:41,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:02:41,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:02:41,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:02:41,623 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:02:41,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:02:41,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:02:41,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:02:41,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:02:41,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:02:41,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:02:41,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:02:41,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:02:41,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:02:41,629 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 21:02:41,630 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 21:02:41,630 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 21:02:41,630 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:02:41,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:02:41,631 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:02:41,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:02:41,631 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:02:41,632 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:02:41,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:02:41,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:02:41,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:02:41,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:02:41,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:02:41,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:02:41,634 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 21:02:41,634 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 21:02:41,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:02:41,634 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 21:02:41,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 21:02:41,635 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_2e417db1-e21e-41ec-880d-791ffb2d57ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702071532e6e872fafdd47fc8c806b795c078c35 [2020-11-29 21:02:42,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:02:42,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:02:42,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:02:42,136 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:02:42,137 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:02:42,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2020-11-29 21:02:42,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/data/c476bbbed/7fa986c5af1c4f33b55ea3a77f0bcfeb/FLAG1019e2dd2 [2020-11-29 21:02:42,846 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:02:42,846 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2020-11-29 21:02:42,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/data/c476bbbed/7fa986c5af1c4f33b55ea3a77f0bcfeb/FLAG1019e2dd2 [2020-11-29 21:02:43,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/bin/ukojak/data/c476bbbed/7fa986c5af1c4f33b55ea3a77f0bcfeb [2020-11-29 21:02:43,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:02:43,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:02:43,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:02:43,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:02:43,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:02:43,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37982ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43, skipping insertion in model container [2020-11-29 21:02:43,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:02:43,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:02:43,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:02:43,460 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:02:43,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:02:43,524 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:02:43,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43 WrapperNode [2020-11-29 21:02:43,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:02:43,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:02:43,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:02:43,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:02:43,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:02:43,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:02:43,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:02:43,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:02:43,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43" (1/1) ... [2020-11-29 21:02:43,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:02:43,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:02:43,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:02:43,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:02:43,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:02:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e417db1-e21e-41ec-880d-791ffb2d57ba/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 21:02:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 21:02:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-29 21:02:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-29 21:02:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:02:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:02:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:02:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-29 21:02:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-29 21:02:44,341 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:02:44,342 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-29 21:02:44,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:02:44 BoogieIcfgContainer [2020-11-29 21:02:44,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:02:44,345 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:02:44,346 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:02:44,357 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:02:44,357 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:02:44" (1/1) ... [2020-11-29 21:02:44,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:02:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:02:44,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2020-11-29 21:02:44,408 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2020-11-29 21:02:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 21:02:44,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:02:44,462 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 21:02:44,467 INFO L168 Benchmark]: Toolchain (without parser) took 1309.53 ms. Allocated memory is still 69.2 MB. Free memory was 52.6 MB in the beginning and 35.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:02:44,468 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 69.2 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:02:44,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.29 ms. Allocated memory is still 69.2 MB. Free memory was 52.5 MB in the beginning and 42.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:02:44,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.82 ms. Allocated memory is still 69.2 MB. Free memory was 42.2 MB in the beginning and 40.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:02:44,471 INFO L168 Benchmark]: Boogie Preprocessor took 53.46 ms. Allocated memory is still 69.2 MB. Free memory was 40.6 MB in the beginning and 39.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:02:44,472 INFO L168 Benchmark]: RCFGBuilder took 698.14 ms. Allocated memory is still 69.2 MB. Free memory was 39.3 MB in the beginning and 40.3 MB in the end (delta: -941.2 kB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:02:44,473 INFO L168 Benchmark]: CodeCheck took 119.14 ms. Allocated memory is still 69.2 MB. Free memory was 40.3 MB in the beginning and 35.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:02:44,477 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 0.25 ms. Allocated memory is still 69.2 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 370.29 ms. Allocated memory is still 69.2 MB. Free memory was 52.5 MB in the beginning and 42.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.82 ms. Allocated memory is still 69.2 MB. Free memory was 42.2 MB in the beginning and 40.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.46 ms. Allocated memory is still 69.2 MB. Free memory was 40.6 MB in the beginning and 39.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 698.14 ms. Allocated memory is still 69.2 MB. Free memory was 39.3 MB in the beginning and 40.3 MB in the end (delta: -941.2 kB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * CodeCheck took 119.14 ms. Allocated memory is still 69.2 MB. Free memory was 40.3 MB in the beginning and 35.1 MB in the end (delta: 5.1 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...