./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/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 6777153ec4ed910a1bcdbd076a8bf100ff516174 ....................................................................................................................................................................................................................................................................................................................................................................................................................... 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_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/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 6777153ec4ed910a1bcdbd076a8bf100ff516174 .................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:15:38,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:15:38,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:15:38,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:15:38,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:15:38,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:15:38,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:15:38,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:15:38,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:15:38,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:15:38,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:15:38,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:15:38,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:15:38,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:15:38,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:15:38,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:15:38,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:15:38,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:15:38,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:15:38,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:15:38,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:15:38,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:15:38,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:15:38,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:15:38,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:15:38,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:15:38,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:15:38,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:15:38,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:15:38,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:15:38,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:15:38,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:15:38,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:15:38,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:15:38,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:15:38,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:15:38,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:15:38,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:15:38,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:15:38,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:15:38,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:15:38,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:15:38,464 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:15:38,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:15:38,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:15:38,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:15:38,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:15:38,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:15:38,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:15:38,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:15:38,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:15:38,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:15:38,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:15:38,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:15:38,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:15:38,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:15:38,471 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:15:38,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:15:38,472 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:15:38,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:15:38,472 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:15:38,473 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:15:38,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:15:38,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:15:38,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:15:38,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:15:38,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:15:38,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:15:38,476 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:15:38,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:15:38,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:15:38,477 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_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6777153ec4ed910a1bcdbd076a8bf100ff516174 [2020-12-01 18:15:38,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:15:38,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:15:38,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:15:38,822 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:15:38,824 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:15:38,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2020-12-01 18:15:38,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/data/1d8daeb80/48139c8d703b44afa273123bea4f8859/FLAGb26e22e50 [2020-12-01 18:15:39,463 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:15:39,464 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2020-12-01 18:15:39,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/data/1d8daeb80/48139c8d703b44afa273123bea4f8859/FLAGb26e22e50 [2020-12-01 18:15:39,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/data/1d8daeb80/48139c8d703b44afa273123bea4f8859 [2020-12-01 18:15:39,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:15:39,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:15:39,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:15:39,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:15:39,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:15:39,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:15:39" (1/1) ... [2020-12-01 18:15:39,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19582754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:39, skipping insertion in model container [2020-12-01 18:15:39,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:15:39" (1/1) ... [2020-12-01 18:15:39,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:15:39,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:15:40,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:15:40,222 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:15:40,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:15:40,263 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:15:40,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40 WrapperNode [2020-12-01 18:15:40,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:15:40,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:15:40,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:15:40,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:15:40,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40" (1/1) ... [2020-12-01 18:15:40,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40" (1/1) ... [2020-12-01 18:15:40,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:15:40,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:15:40,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:15:40,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:15:40,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40" (1/1) ... [2020-12-01 18:15:40,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40" (1/1) ... [2020-12-01 18:15:40,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40" (1/1) ... [2020-12-01 18:15:40,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40" (1/1) ... [2020-12-01 18:15:40,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40" (1/1) ... [2020-12-01 18:15:40,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40" (1/1) ... [2020-12-01 18:15:40,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40" (1/1) ... [2020-12-01 18:15:40,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:15:40,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:15:40,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:15:40,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:15:40,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:15:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 18:15:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 18:15:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:15:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:15:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:15:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:15:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 18:15:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 18:15:40,894 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:15:40,894 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 18:15:40,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:15:40 BoogieIcfgContainer [2020-12-01 18:15:40,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:15:40,898 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:15:40,898 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:15:40,915 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:15:40,915 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:15:40" (1/1) ... [2020-12-01 18:15:40,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:15:40,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:40,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2020-12-01 18:15:40,991 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2020-12-01 18:15:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:15:40,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:15:41,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2020-12-01 18:15:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-12-01 18:15:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:15:41,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:15:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 31 transitions. [2020-12-01 18:15:41,570 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2020-12-01 18:15:41,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:15:41,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:41,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-01 18:15:41,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:15:42,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:15:43,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:43,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 50 transitions. [2020-12-01 18:15:43,139 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2020-12-01 18:15:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:15:43,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:43,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 18:15:43,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:15:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:15:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 57 transitions. [2020-12-01 18:15:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2020-12-01 18:15:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:15:45,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:45,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 18:15:45,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:15:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:15:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 62 transitions. [2020-12-01 18:15:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2020-12-01 18:15:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:15:45,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:45,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-01 18:15:45,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:15:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:15:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:49,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 84 transitions. [2020-12-01 18:15:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2020-12-01 18:15:49,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:15:49,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:49,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 18:15:49,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:15:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:15:51,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 92 transitions. [2020-12-01 18:15:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 92 transitions. [2020-12-01 18:15:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:15:51,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:51,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 18:15:51,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:15:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:15:52,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 91 transitions. [2020-12-01 18:15:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2020-12-01 18:15:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:15:52,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:52,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-01 18:15:52,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:15:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:15:54,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:54,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 52 states and 96 transitions. [2020-12-01 18:15:54,918 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2020-12-01 18:15:54,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:15:54,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:54,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 18:15:54,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:15:55,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:15:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 55 states and 103 transitions. [2020-12-01 18:15:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 103 transitions. [2020-12-01 18:15:56,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:15:56,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:56,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 18:15:56,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:15:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:15:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 110 transitions. [2020-12-01 18:15:58,994 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2020-12-01 18:15:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:15:58,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:59,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 18:15:59,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:15:59,375 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:00,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 61 states and 119 transitions. [2020-12-01 18:16:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2020-12-01 18:16:00,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:16:00,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:00,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 18:16:00,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:16:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:16:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 67 states and 132 transitions. [2020-12-01 18:16:03,018 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2020-12-01 18:16:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:16:03,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:03,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-01 18:16:03,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:16:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:16:04,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:04,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 68 states and 136 transitions. [2020-12-01 18:16:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 136 transitions. [2020-12-01 18:16:04,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:16:04,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:04,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 18:16:04,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:16:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:12,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 75 states and 160 transitions. [2020-12-01 18:16:12,862 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 160 transitions. [2020-12-01 18:16:12,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:16:12,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:12,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 18:16:12,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:16:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 78 states and 177 transitions. [2020-12-01 18:16:17,174 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 177 transitions. [2020-12-01 18:16:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:16:17,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:17,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 18:16:17,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:16:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 79 states and 180 transitions. [2020-12-01 18:16:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 180 transitions. [2020-12-01 18:16:18,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:16:18,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:18,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 18:16:18,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:16:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 18:16:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 81 states and 181 transitions. [2020-12-01 18:16:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 181 transitions. [2020-12-01 18:16:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:16:20,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:20,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 18:16:20,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:16:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 18:16:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 83 states and 182 transitions. [2020-12-01 18:16:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 182 transitions. [2020-12-01 18:16:22,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:16:22,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:22,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-01 18:16:22,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:16:24,198 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 18:16:24,405 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 18:16:27,689 WARN L197 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2020-12-01 18:16:27,867 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 18:16:28,129 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 18:16:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:16:29,011 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2020-12-01 18:16:30,717 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-12-01 18:16:32,812 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2020-12-01 18:16:33,402 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-12-01 18:16:35,358 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2020-12-01 18:16:35,886 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-12-01 18:16:38,095 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2020-12-01 18:16:39,370 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2020-12-01 18:16:41,692 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2020-12-01 18:16:42,176 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2020-12-01 18:16:44,706 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2020-12-01 18:16:45,281 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2020-12-01 18:16:48,262 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-01 18:16:52,228 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-01 18:16:54,852 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-01 18:16:55,399 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 18:16:57,664 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 18:16:58,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 93 states and 214 transitions. [2020-12-01 18:16:58,379 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 214 transitions. [2020-12-01 18:16:58,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:16:58,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:58,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-01 18:16:58,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:16:58,606 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 18:16:58,717 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 18:17:02,129 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 18:17:02,447 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 18:17:02,754 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopStatisticsGenerator.addTraceCheckData(CegarLoopStatisticsGenerator.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:460) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 18:17:02,765 INFO L168 Benchmark]: Toolchain (without parser) took 82914.90 ms. Allocated memory was 94.4 MB in the beginning and 237.0 MB in the end (delta: 142.6 MB). Free memory was 62.5 MB in the beginning and 112.8 MB in the end (delta: -50.3 MB). Peak memory consumption was 137.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:02,766 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:17:02,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.76 ms. Allocated memory is still 94.4 MB. Free memory was 62.2 MB in the beginning and 71.9 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:02,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.27 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 70.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:02,770 INFO L168 Benchmark]: Boogie Preprocessor took 29.65 ms. Allocated memory is still 94.4 MB. Free memory was 70.2 MB in the beginning and 68.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:17:02,772 INFO L168 Benchmark]: RCFGBuilder took 557.08 ms. Allocated memory is still 94.4 MB. Free memory was 68.9 MB in the beginning and 51.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:02,778 INFO L168 Benchmark]: CodeCheck took 81864.90 ms. Allocated memory was 94.4 MB in the beginning and 237.0 MB in the end (delta: 142.6 MB). Free memory was 51.2 MB in the beginning and 112.8 MB in the end (delta: -61.6 MB). Peak memory consumption was 127.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:02,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: NullPointerException: null: de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:68) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 411.76 ms. Allocated memory is still 94.4 MB. Free memory was 62.2 MB in the beginning and 71.9 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.27 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 70.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.65 ms. Allocated memory is still 94.4 MB. Free memory was 70.2 MB in the beginning and 68.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 557.08 ms. Allocated memory is still 94.4 MB. Free memory was 68.9 MB in the beginning and 51.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 81864.90 ms. Allocated memory was 94.4 MB in the beginning and 237.0 MB in the end (delta: 142.6 MB). Free memory was 51.2 MB in the beginning and 112.8 MB in the end (delta: -61.6 MB). Peak memory consumption was 127.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 18:17:05,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:17:05,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:17:05,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:17:05,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:17:05,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:17:05,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:17:05,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:17:05,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:17:05,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:17:05,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:17:05,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:17:05,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:17:05,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:17:05,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:17:05,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:17:05,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:17:05,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:17:05,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:17:05,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:17:05,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:17:05,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:17:05,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:17:05,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:17:05,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:17:05,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:17:05,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:17:05,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:17:05,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:17:05,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:17:05,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:17:05,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:17:05,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:17:05,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:17:05,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:17:05,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:17:05,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:17:05,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:17:05,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:17:05,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:17:05,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:17:05,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 18:17:05,745 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:17:05,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:17:05,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:17:05,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:17:05,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:17:05,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:17:05,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:17:05,752 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:17:05,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:17:05,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:17:05,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:17:05,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:17:05,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:17:05,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 18:17:05,756 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 18:17:05,756 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 18:17:05,757 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:17:05,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:17:05,757 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:17:05,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:17:05,758 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:17:05,758 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:17:05,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:17:05,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:17:05,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:17:05,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:17:05,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:17:05,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:17:05,761 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 18:17:05,761 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 18:17:05,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:17:05,762 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 18:17:05,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 18:17:05,763 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_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6777153ec4ed910a1bcdbd076a8bf100ff516174 [2020-12-01 18:17:06,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:17:06,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:17:06,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:17:06,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:17:06,251 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:17:06,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2020-12-01 18:17:06,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/data/24c398e54/34a570bf02da41269f628c71f9d7973c/FLAG2c498342c [2020-12-01 18:17:07,021 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:17:07,024 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2020-12-01 18:17:07,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/data/24c398e54/34a570bf02da41269f628c71f9d7973c/FLAG2c498342c [2020-12-01 18:17:07,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/data/24c398e54/34a570bf02da41269f628c71f9d7973c [2020-12-01 18:17:07,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:17:07,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:17:07,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:17:07,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:17:07,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:17:07,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18363968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07, skipping insertion in model container [2020-12-01 18:17:07,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:17:07,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:17:07,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:17:07,667 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:17:07,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:17:07,720 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:17:07,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07 WrapperNode [2020-12-01 18:17:07,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:17:07,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:17:07,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:17:07,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:17:07,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:17:07,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:17:07,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:17:07,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:17:07,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07" (1/1) ... [2020-12-01 18:17:07,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:17:07,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:17:07,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:17:07,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:17:07,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ffe39d3e-fc5f-4d0e-af38-bfbe0d2a218b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:17:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 18:17:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 18:17:07,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 18:17:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:17:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:17:07,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:17:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 18:17:07,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 18:17:08,360 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:17:08,360 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 18:17:08,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:17:08 BoogieIcfgContainer [2020-12-01 18:17:08,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:17:08,362 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:17:08,362 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:17:08,373 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:17:08,373 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:17:08" (1/1) ... [2020-12-01 18:17:08,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:17:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2020-12-01 18:17:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2020-12-01 18:17:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:17:08,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:08,487 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 18:17:08,496 INFO L168 Benchmark]: Toolchain (without parser) took 1132.64 ms. Allocated memory is still 62.9 MB. Free memory was 42.9 MB in the beginning and 28.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:08,498 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:17:08,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.34 ms. Allocated memory is still 62.9 MB. Free memory was 42.8 MB in the beginning and 32.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:08,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.66 ms. Allocated memory is still 62.9 MB. Free memory was 32.5 MB in the beginning and 31.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:17:08,503 INFO L168 Benchmark]: Boogie Preprocessor took 28.65 ms. Allocated memory is still 62.9 MB. Free memory was 31.1 MB in the beginning and 29.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:17:08,505 INFO L168 Benchmark]: RCFGBuilder took 569.00 ms. Allocated memory is still 62.9 MB. Free memory was 29.8 MB in the beginning and 33.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:08,506 INFO L168 Benchmark]: CodeCheck took 129.41 ms. Allocated memory is still 62.9 MB. Free memory was 33.2 MB in the beginning and 28.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:17:08,517 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 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.34 ms. Allocated memory is still 62.9 MB. Free memory was 42.8 MB in the beginning and 32.5 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 40.66 ms. Allocated memory is still 62.9 MB. Free memory was 32.5 MB in the beginning and 31.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.65 ms. Allocated memory is still 62.9 MB. Free memory was 31.1 MB in the beginning and 29.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 569.00 ms. Allocated memory is still 62.9 MB. Free memory was 29.8 MB in the beginning and 33.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * CodeCheck took 129.41 ms. Allocated memory is still 62.9 MB. Free memory was 33.2 MB in the beginning and 28.1 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...