./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2a071cc6090a217f48ed180b566a651717a8e39 .................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2a071cc6090a217f48ed180b566a651717a8e39 ............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:42:16,536 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:42:16,537 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:42:16,544 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:42:16,544 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:42:16,545 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:42:16,546 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:42:16,547 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:42:16,548 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:42:16,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:42:16,549 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:42:16,549 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:42:16,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:42:16,550 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:42:16,551 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:42:16,552 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:42:16,552 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:42:16,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:42:16,555 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:42:16,556 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:42:16,557 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:42:16,557 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:42:16,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:42:16,559 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:42:16,559 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:42:16,560 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:42:16,561 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:42:16,561 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:42:16,562 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:42:16,562 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:42:16,563 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:42:16,563 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:42:16,563 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:42:16,563 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:42:16,564 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:42:16,565 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:42:16,565 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:42:16,575 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:42:16,575 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:42:16,576 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:42:16,576 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:42:16,576 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:42:16,576 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:42:16,577 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:42:16,577 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:42:16,577 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:42:16,577 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:42:16,577 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:42:16,577 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:42:16,577 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:42:16,577 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:42:16,578 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:42:16,578 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:42:16,578 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:42:16,578 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:42:16,578 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:42:16,578 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:42:16,578 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:42:16,579 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:42:16,579 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:42:16,579 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:42:16,579 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:42:16,579 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:42:16,579 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:42:16,579 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:42:16,580 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/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(__VERIFIER_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 -> d2a071cc6090a217f48ed180b566a651717a8e39 [2018-11-10 05:42:16,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:42:16,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:42:16,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:42:16,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:42:16,612 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:42:16,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-10 05:42:16,648 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/data/33d94d80b/a6c885bcd98c499687c82bdf0d6bf728/FLAG9247d7e12 [2018-11-10 05:42:17,055 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:42:17,055 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-10 05:42:17,060 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/data/33d94d80b/a6c885bcd98c499687c82bdf0d6bf728/FLAG9247d7e12 [2018-11-10 05:42:17,069 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/data/33d94d80b/a6c885bcd98c499687c82bdf0d6bf728 [2018-11-10 05:42:17,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:42:17,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:42:17,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:42:17,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:42:17,075 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:42:17,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680a2912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17, skipping insertion in model container [2018-11-10 05:42:17,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:42:17,095 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:42:17,196 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:42:17,200 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:42:17,210 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:42:17,219 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:42:17,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17 WrapperNode [2018-11-10 05:42:17,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:42:17,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:42:17,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:42:17,221 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:42:17,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:42:17,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:42:17,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:42:17,240 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:42:17,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:42:17,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:42:17,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:42:17,251 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:42:17,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/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 [2018-11-10 05:42:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:42:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:42:17,422 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:42:17,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:42:17 BoogieIcfgContainer [2018-11-10 05:42:17,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:42:17,423 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:42:17,423 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:42:17,431 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:42:17,431 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:42:17" (1/1) ... [2018-11-10 05:42:17,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:42:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:17,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 05:42:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 05:42:17,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 05:42:17,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:42:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 05:42:17,528 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 05:42:17,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:42:17,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:42:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:17,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-11-10 05:42:17,592 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-11-10 05:42:17,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 05:42:17,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:42:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-10 05:42:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-10 05:42:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:42:17,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:42:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-10 05:42:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-10 05:42:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 05:42:18,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:42:21,425 WARN L179 SmtUtils]: Spent 2.88 s on a formula simplification that was a NOOP. DAG size: 28 [2018-11-10 05:42:21,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:21,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-11-10 05:42:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-10 05:42:21,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 05:42:21,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:42:22,955 WARN L179 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-11-10 05:42:23,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-11-10 05:42:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-10 05:42:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:42:23,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:42:28,597 WARN L179 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-11-10 05:42:30,491 WARN L179 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 40 [2018-11-10 05:42:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-11-10 05:42:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-10 05:42:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 05:42:30,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:42:32,625 WARN L179 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 45 [2018-11-10 05:42:34,150 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-10 05:42:35,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-11-10 05:42:35,656 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-11-10 05:42:35,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 05:42:35,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:00,215 WARN L179 SmtUtils]: Spent 16.01 s on a formula simplification that was a NOOP. DAG size: 51 [2018-11-10 05:43:12,702 WARN L179 SmtUtils]: Spent 11.54 s on a formula simplification that was a NOOP. DAG size: 52 [2018-11-10 05:43:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:18,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-11-10 05:43:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-11-10 05:43:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 05:43:18,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:43:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:43:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:43:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:43:18,471 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2018-11-10 05:43:18,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:43:18 ImpRootNode [2018-11-10 05:43:18,491 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:43:18,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:43:18,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:43:18,492 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:43:18,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:42:17" (3/4) ... [2018-11-10 05:43:18,500 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:43:18,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:43:18,507 INFO L168 Benchmark]: Toolchain (without parser) took 61434.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 959.1 MB in the beginning and 933.3 MB in the end (delta: 25.9 MB). Peak memory consumption was 180.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:18,507 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:43:18,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.19 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 947.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:18,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.30 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:43:18,509 INFO L168 Benchmark]: Boogie Preprocessor took 11.27 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:18,509 INFO L168 Benchmark]: RCFGBuilder took 171.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:18,510 INFO L168 Benchmark]: CodeCheck took 61067.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.3 MB in the end (delta: 201.6 MB). Peak memory consumption was 201.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:18,511 INFO L168 Benchmark]: Witness Printer took 14.38 ms. Allocated memory is still 1.2 GB. Free memory is still 933.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:43:18,514 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 14 locations, 1 error locations. UNSAFE Result, 61.0s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2560 SDtfs, 1020 SDslu, 1528 SDs, 0 SdLazy, 2930 SolverSat, 1658 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 714 GetRequests, 628 SyntacticMatches, 56 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 50.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 11728 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 0/168 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftLeft at line 22, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L14] unsigned char x; [L15] unsigned char y; [L16] unsigned char c; [L18] x = 37 [L19] y = 0 [L20] c = 0 [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND FALSE !(c < (unsigned char)8) [L29] CALL __VERIFIER_assert(x == y) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.19 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 947.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.30 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.27 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 171.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 61067.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.3 MB in the end (delta: 201.6 MB). Peak memory consumption was 201.6 MB. Max. memory is 11.5 GB. * Witness Printer took 14.38 ms. Allocated memory is still 1.2 GB. Free memory is still 933.3 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:43:19,877 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:43:19,878 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:43:19,885 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:43:19,885 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:43:19,886 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:43:19,886 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:43:19,887 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:43:19,888 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:43:19,889 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:43:19,890 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:43:19,890 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:43:19,891 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:43:19,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:43:19,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:43:19,893 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:43:19,894 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:43:19,896 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:43:19,897 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:43:19,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:43:19,899 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:43:19,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:43:19,901 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:43:19,902 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:43:19,902 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:43:19,903 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:43:19,904 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:43:19,904 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:43:19,905 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:43:19,905 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:43:19,906 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:43:19,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:43:19,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:43:19,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:43:19,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:43:19,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:43:19,908 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 05:43:19,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:43:19,920 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:43:19,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:43:19,920 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:43:19,921 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:43:19,921 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:43:19,921 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:43:19,921 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:43:19,921 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:43:19,921 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:43:19,921 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:43:19,921 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:43:19,921 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:43:19,922 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:43:19,922 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:43:19,922 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:43:19,923 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:43:19,923 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:43:19,923 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:43:19,923 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:43:19,924 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:43:19,924 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:43:19,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:43:19,924 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:43:19,924 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:43:19,924 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:43:19,924 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 05:43:19,924 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 05:43:19,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:43:19,924 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:43:19,924 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:43:19,924 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/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(__VERIFIER_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 -> d2a071cc6090a217f48ed180b566a651717a8e39 [2018-11-10 05:43:19,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:43:19,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:43:19,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:43:19,963 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:43:19,963 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:43:19,963 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-10 05:43:19,997 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/data/c22df5804/e587586545ae497abb9e3a208a7dc1d3/FLAG91337221a [2018-11-10 05:43:20,387 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:43:20,387 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-10 05:43:20,391 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/data/c22df5804/e587586545ae497abb9e3a208a7dc1d3/FLAG91337221a [2018-11-10 05:43:20,399 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/data/c22df5804/e587586545ae497abb9e3a208a7dc1d3 [2018-11-10 05:43:20,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:43:20,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:43:20,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:43:20,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:43:20,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:43:20,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1863f2f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20, skipping insertion in model container [2018-11-10 05:43:20,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:43:20,428 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:43:20,546 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:43:20,549 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:43:20,561 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:43:20,570 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:43:20,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20 WrapperNode [2018-11-10 05:43:20,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:43:20,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:43:20,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:43:20,571 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:43:20,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:43:20,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:43:20,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:43:20,590 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:43:20,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:43:20,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:43:20,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:43:20,603 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:43:20,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/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 [2018-11-10 05:43:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:43:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:43:20,818 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:43:20,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:43:20 BoogieIcfgContainer [2018-11-10 05:43:20,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:43:20,819 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:43:20,819 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:43:20,826 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:43:20,826 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:43:20" (1/1) ... [2018-11-10 05:43:20,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:43:20,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 05:43:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 05:43:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 05:43:20,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:20,889 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:43:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:20,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:43:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:20,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 05:43:20,919 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 05:43:20,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:43:20,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:20,921 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:43:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:20,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:43:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:20,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-11-10 05:43:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-11-10 05:43:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 05:43:20,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:20,976 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:43:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:20,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:43:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:21,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-11-10 05:43:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-10 05:43:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:43:21,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:21,062 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:43:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:21,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:43:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-10 05:43:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-10 05:43:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 05:43:21,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:21,140 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:43:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:21,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:43:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:21,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-10 05:43:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-10 05:43:21,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 05:43:21,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:21,232 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:43:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:21,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:43:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-11-10 05:43:21,373 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-11-10 05:43:21,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:43:21,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:21,374 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:43:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:21,390 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:43:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:21,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-11-10 05:43:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-11-10 05:43:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 05:43:21,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:21,558 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:43:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:21,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:43:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-11-10 05:43:21,727 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-11-10 05:43:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 05:43:21,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:21,729 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:43:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:21,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:43:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 25 states and 24 transitions. [2018-11-10 05:43:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-11-10 05:43:21,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 05:43:21,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:21,897 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:43:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:21,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:43:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 23 states and 22 transitions. [2018-11-10 05:43:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-11-10 05:43:22,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:43:22,877 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 05:43:22,889 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:43:22,996 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-11-10 05:43:23,097 INFO L582 CodeCheckObserver]: Invariant with dag size 35 [2018-11-10 05:43:23,104 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:43:23,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:43:23 ImpRootNode [2018-11-10 05:43:23,104 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:43:23,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:43:23,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:43:23,105 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:43:23,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:43:20" (3/4) ... [2018-11-10 05:43:23,109 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:43:23,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 05:43:23,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:43:23,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:43:23,145 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2e9ba684-5d77-4aea-b39a-97478d21eeae/bin-2019/ukojak/witness.graphml [2018-11-10 05:43:23,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:43:23,145 INFO L168 Benchmark]: Toolchain (without parser) took 2744.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 949.2 MB in the beginning and 1.0 GB in the end (delta: -94.6 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:23,146 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:43:23,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.46 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:23,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.23 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:23,147 INFO L168 Benchmark]: Boogie Preprocessor took 12.63 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:43:23,147 INFO L168 Benchmark]: RCFGBuilder took 215.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:23,147 INFO L168 Benchmark]: CodeCheck took 2285.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.6 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:23,148 INFO L168 Benchmark]: Witness Printer took 40.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:23,150 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 14 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5120 SDtfs, 2080 SDslu, 3128 SDs, 0 SdLazy, 5186 SolverSat, 3102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 928 GetRequests, 858 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1884 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 7285 SizeOfPredicates, 28 NumberOfNonLiveVariables, 325 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 0/240 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((((((2bv8 == c && 1bv8 == y) && 37bv8 == x) || ((0bv8 == c && 37bv8 == x) && 0bv8 == y)) || ((1bv8 == y && 37bv8 == x) && 1bv8 == c)) || (((((((!(5bv8 == c) && !(3bv8 == c)) && !(4bv8 == c)) && !(2bv8 == c)) && 37bv8 == x) && !(1bv8 == c)) && !(0bv8 == c)) && 37bv8 == y)) || ((4bv8 == c && 37bv8 == x) && 5bv8 == y)) || ((37bv8 == x && 3bv8 == c) && 5bv8 == y)) || ((37bv8 == x && 5bv8 == c) && 5bv8 == y) - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.46 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.23 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.63 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 215.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * CodeCheck took 2285.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.6 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. * Witness Printer took 40.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...