./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/modulus-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c028dc478ad08c52f1db2e76a15a3094442b18a8 ...................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c028dc478ad08c52f1db2e76a15a3094442b18a8 ............................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:27:04,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:27:04,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:27:04,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:27:04,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:27:04,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:27:04,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:27:04,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:27:04,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:27:04,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:27:04,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:27:04,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:27:04,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:27:04,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:27:04,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:27:04,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:27:04,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:27:04,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:27:04,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:27:04,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:27:04,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:27:04,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:27:04,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:27:04,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:27:04,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:27:04,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:27:04,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:27:04,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:27:04,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:27:04,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:27:04,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:27:04,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:27:04,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:27:04,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:27:04,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:27:04,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:27:04,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:27:04,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:27:04,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:27:04,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:27:04,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:27:04,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:27:04,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:27:04,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:27:04,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:27:04,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:27:04,808 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:27:04,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:27:04,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:27:04,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:27:04,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:27:04,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:27:04,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:27:04,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:27:04,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:27:04,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:27:04,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:27:04,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:27:04,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:27:04,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:27:04,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:27:04,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:27:04,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:27:04,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:27:04,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:27:04,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:27:04,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:27:04,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:27:04,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:27:04,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:27:04,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:27:04,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer 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 -> Automizer 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 -> c028dc478ad08c52f1db2e76a15a3094442b18a8 [2019-12-07 10:27:04,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:27:04,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:27:04,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:27:04,925 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:27:04,926 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:27:04,926 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/../../sv-benchmarks/c/bitvector/modulus-2.i [2019-12-07 10:27:04,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/data/0ff1c07f3/c7a8a02945164fbfbb2c0521be2c0775/FLAGe02ae464e [2019-12-07 10:27:05,365 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:27:05,366 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/sv-benchmarks/c/bitvector/modulus-2.i [2019-12-07 10:27:05,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/data/0ff1c07f3/c7a8a02945164fbfbb2c0521be2c0775/FLAGe02ae464e [2019-12-07 10:27:05,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/data/0ff1c07f3/c7a8a02945164fbfbb2c0521be2c0775 [2019-12-07 10:27:05,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:27:05,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:27:05,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:27:05,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:27:05,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:27:05,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619ba5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05, skipping insertion in model container [2019-12-07 10:27:05,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:27:05,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:27:05,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:27:05,537 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:27:05,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:27:05,564 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:27:05,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05 WrapperNode [2019-12-07 10:27:05,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:27:05,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:27:05,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:27:05,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:27:05,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:27:05,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:27:05,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:27:05,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:27:05,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (1/1) ... [2019-12-07 10:27:05,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:27:05,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:27:05,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:27:05,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:27:05,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-12-07 10:27:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:27:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:27:05,748 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:27:05,748 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 10:27:05,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:27:05 BoogieIcfgContainer [2019-12-07 10:27:05,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:27:05,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:27:05,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:27:05,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:27:05,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:27:05" (1/3) ... [2019-12-07 10:27:05,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f48d5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:27:05, skipping insertion in model container [2019-12-07 10:27:05,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:05" (2/3) ... [2019-12-07 10:27:05,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f48d5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:27:05, skipping insertion in model container [2019-12-07 10:27:05,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:27:05" (3/3) ... [2019-12-07 10:27:05,754 INFO L109 eAbstractionObserver]: Analyzing ICFG modulus-2.i [2019-12-07 10:27:05,760 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:27:05,764 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:27:05,771 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:27:05,785 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:27:05,786 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:27:05,786 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:27:05,786 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:27:05,786 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:27:05,786 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:27:05,786 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:27:05,786 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:27:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-12-07 10:27:05,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 10:27:05,798 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:27:05,799 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:27:05,799 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:27:05,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:27:05,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1538988787, now seen corresponding path program 1 times [2019-12-07 10:27:05,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:27:05,809 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804464069] [2019-12-07 10:27:05,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:27:05,869 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 10:27:05,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [230080068] [2019-12-07 10:27:05,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:27:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-12-07 10:27:08,873 WARN L168 FreeRefinementEngine]: Strategy CAMEL was unsuccessful and could not determine trace feasibility [2019-12-07 10:27:08,873 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:27:09,077 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:27:09,091 WARN L229 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-12-07 10:27:09,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:27:09 BoogieIcfgContainer [2019-12-07 10:27:09,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:27:09,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:27:09,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:27:09,092 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:27:09,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:27:05" (3/4) ... [2019-12-07 10:27:09,096 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:27:09,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:27:09,098 INFO L168 Benchmark]: Toolchain (without parser) took 3716.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -109.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:27:09,098 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:27:09,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:27:09,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:27:09,100 INFO L168 Benchmark]: Boogie Preprocessor took 13.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:27:09,100 INFO L168 Benchmark]: RCFGBuilder took 147.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:27:09,101 INFO L168 Benchmark]: TraceAbstraction took 3342.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:27:09,102 INFO L168 Benchmark]: Witness Printer took 3.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:27:09,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 147.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3342.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint, overapproximation of shiftLeft at line 29. Possible FailurePath: [L24] unsigned int n = __VERIFIER_nondet_uint(); [L25] unsigned int s = __VERIFIER_nondet_uint(); [L26] unsigned int d; [L27] unsigned int m; [L29] d = (1 << s) - 1 [L30] COND TRUE d > 0 [L31] m = n [L32] COND FALSE !(n > d) [L40] COND TRUE m == d [L41] m = 0 [L6] COND TRUE !(cond) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Result: UNKNOWN, OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:27:10,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:27:10,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:27:10,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:27:10,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:27:10,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:27:10,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:27:10,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:27:10,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:27:10,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:27:10,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:27:10,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:27:10,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:27:10,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:27:10,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:27:10,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:27:10,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:27:10,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:27:10,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:27:10,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:27:10,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:27:10,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:27:10,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:27:10,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:27:10,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:27:10,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:27:10,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:27:10,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:27:10,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:27:10,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:27:10,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:27:10,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:27:10,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:27:10,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:27:10,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:27:10,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:27:10,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:27:10,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:27:10,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:27:10,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:27:10,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:27:10,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 10:27:10,502 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:27:10,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:27:10,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:27:10,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:27:10,503 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:27:10,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:27:10,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:27:10,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:27:10,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:27:10,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:27:10,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:27:10,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:27:10,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:27:10,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:27:10,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:27:10,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:27:10,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:27:10,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:27:10,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:27:10,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:27:10,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:27:10,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:27:10,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:27:10,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:27:10,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:27:10,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:27:10,507 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 10:27:10,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:27:10,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:27:10,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:27:10,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:27:10,507 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer 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 -> Automizer 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 -> c028dc478ad08c52f1db2e76a15a3094442b18a8 [2019-12-07 10:27:10,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:27:10,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:27:10,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:27:10,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:27:10,689 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:27:10,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/../../sv-benchmarks/c/bitvector/modulus-2.i [2019-12-07 10:27:10,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/data/941375580/b4bed2d9c0684a6aaa862444b22c518e/FLAGd9ebd0aea [2019-12-07 10:27:11,221 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:27:11,221 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/sv-benchmarks/c/bitvector/modulus-2.i [2019-12-07 10:27:11,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/data/941375580/b4bed2d9c0684a6aaa862444b22c518e/FLAGd9ebd0aea [2019-12-07 10:27:11,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/data/941375580/b4bed2d9c0684a6aaa862444b22c518e [2019-12-07 10:27:11,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:27:11,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:27:11,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:27:11,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:27:11,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:27:11,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d14a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11, skipping insertion in model container [2019-12-07 10:27:11,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:27:11,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:27:11,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:27:11,854 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:27:11,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:27:11,874 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:27:11,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11 WrapperNode [2019-12-07 10:27:11,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:27:11,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:27:11,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:27:11,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:27:11,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:27:11,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:27:11,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:27:11,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:27:11,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (1/1) ... [2019-12-07 10:27:11,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:27:11,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:27:11,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:27:11,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:27:11,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-12-07 10:27:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:27:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:27:12,106 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:27:12,106 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 10:27:12,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:27:12 BoogieIcfgContainer [2019-12-07 10:27:12,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:27:12,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:27:12,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:27:12,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:27:12,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:27:11" (1/3) ... [2019-12-07 10:27:12,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0728ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:27:12, skipping insertion in model container [2019-12-07 10:27:12,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:27:11" (2/3) ... [2019-12-07 10:27:12,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0728ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:27:12, skipping insertion in model container [2019-12-07 10:27:12,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:27:12" (3/3) ... [2019-12-07 10:27:12,111 INFO L109 eAbstractionObserver]: Analyzing ICFG modulus-2.i [2019-12-07 10:27:12,118 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:27:12,122 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:27:12,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:27:12,144 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:27:12,145 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:27:12,145 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:27:12,145 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:27:12,145 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:27:12,145 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:27:12,145 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:27:12,145 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:27:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-12-07 10:27:12,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 10:27:12,158 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:27:12,158 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:27:12,158 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:27:12,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:27:12,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1538988787, now seen corresponding path program 1 times [2019-12-07 10:27:12,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:27:12,170 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164130628] [2019-12-07 10:27:12,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:27:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:27:12,278 WARN L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 10:27:12,282 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:27:12,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:27:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:27:12,503 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:27:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:27:15,200 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164130628] [2019-12-07 10:27:15,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:27:15,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-12-07 10:27:15,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762239911] [2019-12-07 10:27:15,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 10:27:15,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:27:15,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 10:27:15,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=50, Unknown=1, NotChecked=0, Total=72 [2019-12-07 10:27:15,215 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 9 states. [2019-12-07 10:27:15,840 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-12-07 10:27:16,889 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 16 [2019-12-07 10:27:17,517 WARN L192 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 20 [2019-12-07 10:27:18,098 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-12-07 10:27:18,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:27:18,103 INFO L93 Difference]: Finished difference Result 53 states and 68 transitions. [2019-12-07 10:27:18,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 10:27:18,104 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 7 [2019-12-07 10:27:18,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:27:18,112 INFO L225 Difference]: With dead ends: 53 [2019-12-07 10:27:18,113 INFO L226 Difference]: Without dead ends: 17 [2019-12-07 10:27:18,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=70, Invalid=139, Unknown=1, NotChecked=0, Total=210 [2019-12-07 10:27:18,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-07 10:27:18,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 10. [2019-12-07 10:27:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-07 10:27:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-12-07 10:27:18,138 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2019-12-07 10:27:18,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:27:18,138 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-12-07 10:27:18,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 10:27:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-12-07 10:27:18,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 10:27:18,139 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:27:18,139 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:27:18,340 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:27:18,340 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:27:18,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:27:18,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1538929205, now seen corresponding path program 1 times [2019-12-07 10:27:18,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:27:18,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409710409] [2019-12-07 10:27:18,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 10:27:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:27:18,696 WARN L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 10:27:18,697 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:27:18,821 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:27:18,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:27:18,949 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:27:20,218 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-12-07 10:27:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:27:20,539 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409710409] [2019-12-07 10:27:20,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:27:20,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2019-12-07 10:27:20,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231537390] [2019-12-07 10:27:20,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 10:27:20,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:27:20,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 10:27:20,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-12-07 10:27:20,541 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 11 states. [2019-12-07 10:27:21,176 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-12-07 10:27:21,595 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-12-07 10:27:24,587 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-12-07 10:27:24,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:27:24,924 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-12-07 10:27:24,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 10:27:24,924 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 7 [2019-12-07 10:27:24,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:27:24,924 INFO L225 Difference]: With dead ends: 16 [2019-12-07 10:27:24,924 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:27:24,925 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2019-12-07 10:27:24,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:27:24,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:27:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:27:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:27:24,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-12-07 10:27:24,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:27:24,926 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:27:24,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 10:27:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:27:24,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:27:25,127 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:27:25,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:27:26,284 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2019-12-07 10:27:26,286 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:27:26,286 INFO L246 CegarLoopResult]: For program point L40-1(lines 40 42) no Hoare annotation was computed. [2019-12-07 10:27:26,286 INFO L246 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2019-12-07 10:27:26,286 INFO L242 CegarLoopResult]: At program point L34-2(lines 34 37) the Hoare annotation is: (exists ((ULTIMATE.start_main_~s~0 (_ BitVec 32))) (and (bvult ULTIMATE.start_main_~s~0 (_ bv31 32)) (= (bvadd (bvshl (_ bv1 32) ULTIMATE.start_main_~s~0) (_ bv4294967295 32)) ULTIMATE.start_main_~d~0))) [2019-12-07 10:27:26,286 INFO L246 CegarLoopResult]: For program point L34-3(lines 34 37) no Hoare annotation was computed. [2019-12-07 10:27:26,286 INFO L246 CegarLoopResult]: For program point L30(lines 30 44) no Hoare annotation was computed. [2019-12-07 10:27:26,286 INFO L242 CegarLoopResult]: At program point L32-2(lines 32 39) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~m~0 ULTIMATE.start_main_~d~0)) (.cse1 (bvurem ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~d~0))) (and (exists ((ULTIMATE.start_main_~s~0 (_ BitVec 32))) (and (bvult ULTIMATE.start_main_~s~0 (_ bv31 32)) (= (bvadd (bvshl (_ bv1 32) ULTIMATE.start_main_~s~0) (_ bv4294967295 32)) ULTIMATE.start_main_~d~0))) (or (not .cse0) (= .cse1 (_ bv0 32))) (or .cse0 (bvugt ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~d~0) (= .cse1 ULTIMATE.start_main_~m~0)))) [2019-12-07 10:27:26,287 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:27:26,287 INFO L246 CegarLoopResult]: For program point L32-3(lines 30 44) no Hoare annotation was computed. [2019-12-07 10:27:26,287 INFO L242 CegarLoopResult]: At program point L30-1(lines 30 44) the Hoare annotation is: (exists ((ULTIMATE.start_main_~s~0 (_ BitVec 32))) (and (bvult ULTIMATE.start_main_~s~0 (_ bv31 32)) (= (bvadd (bvshl (_ bv1 32) ULTIMATE.start_main_~s~0) (_ bv4294967295 32)) ULTIMATE.start_main_~d~0))) [2019-12-07 10:27:26,287 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:27:26,287 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2019-12-07 10:27:26,287 INFO L242 CegarLoopResult]: At program point L45(lines 22 46) the Hoare annotation is: (exists ((ULTIMATE.start_main_~s~0 (_ BitVec 32))) (and (bvult ULTIMATE.start_main_~s~0 (_ bv31 32)) (= (bvadd (bvshl (_ bv1 32) ULTIMATE.start_main_~s~0) (_ bv4294967295 32)) ULTIMATE.start_main_~d~0))) [2019-12-07 10:27:26,287 INFO L246 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2019-12-07 10:27:26,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:27:26 BoogieIcfgContainer [2019-12-07 10:27:26,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:27:26,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:27:26,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:27:26,303 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:27:26,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:27:12" (3/4) ... [2019-12-07 10:27:26,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:27:26,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 10:27:26,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:27:26,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_main_~s~0 : bv32 :: ~bvult32(ULTIMATE.start_main_~s~0, 31bv32) && ~bvadd64(~bvshl32(1bv32, ULTIMATE.start_main_~s~0), 4294967295bv32) == d) [2019-12-07 10:27:26,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists ULTIMATE.start_main_~s~0 : bv32 :: ~bvult32(ULTIMATE.start_main_~s~0, 31bv32) && ~bvadd64(~bvshl32(1bv32, ULTIMATE.start_main_~s~0), 4294967295bv32) == d) && (!(m == d) || ~bvurem32(n, d) == 0bv32)) && ((m == d || ~bvugt32(n, d)) || ~bvurem32(n, d) == m) [2019-12-07 10:27:26,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_main_~s~0 : bv32 :: ~bvult32(ULTIMATE.start_main_~s~0, 31bv32) && ~bvadd64(~bvshl32(1bv32, ULTIMATE.start_main_~s~0), 4294967295bv32) == d) [2019-12-07 10:27:26,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_main_~s~0 : bv32 :: ~bvult32(ULTIMATE.start_main_~s~0, 31bv32) && ~bvadd64(~bvshl32(1bv32, ULTIMATE.start_main_~s~0), 4294967295bv32) == d) [2019-12-07 10:27:26,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_27af70c0-f0a8-4a41-ad7e-5887ad79f6a0/bin/uautomizer/witness.graphml [2019-12-07 10:27:26,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:27:26,343 INFO L168 Benchmark]: Toolchain (without parser) took 14614.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 951.0 MB in the beginning and 943.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:27:26,343 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:27:26,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.69 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:27:26,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:27:26,344 INFO L168 Benchmark]: Boogie Preprocessor took 14.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:27:26,345 INFO L168 Benchmark]: RCFGBuilder took 166.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:27:26,345 INFO L168 Benchmark]: TraceAbstraction took 14195.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 950.0 MB in the end (delta: 125.5 MB). Peak memory consumption was 125.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:27:26,345 INFO L168 Benchmark]: Witness Printer took 39.17 ms. Allocated memory is still 1.1 GB. Free memory was 950.0 MB in the beginning and 943.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:27:26,347 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.69 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 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 50.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 166.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14195.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 950.0 MB in the end (delta: 125.5 MB). Peak memory consumption was 125.5 MB. Max. memory is 11.5 GB. * Witness Printer took 39.17 ms. Allocated memory is still 1.1 GB. Free memory was 950.0 MB in the beginning and 943.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: 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: 34]: Loop Invariant [2019-12-07 10:27:26,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_main_~s~0 : bv32 :: ~bvult32(ULTIMATE.start_main_~s~0, 31bv32) && ~bvadd64(~bvshl32(1bv32, ULTIMATE.start_main_~s~0), 4294967295bv32) == d) - InvariantResult [Line: 30]: Loop Invariant [2019-12-07 10:27:26,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_main_~s~0 : bv32 :: ~bvult32(ULTIMATE.start_main_~s~0, 31bv32) && ~bvadd64(~bvshl32(1bv32, ULTIMATE.start_main_~s~0), 4294967295bv32) == d) - InvariantResult [Line: 22]: Loop Invariant [2019-12-07 10:27:26,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_main_~s~0 : bv32 :: ~bvult32(ULTIMATE.start_main_~s~0, 31bv32) && ~bvadd64(~bvshl32(1bv32, ULTIMATE.start_main_~s~0), 4294967295bv32) == d) - InvariantResult [Line: 32]: Loop Invariant [2019-12-07 10:27:26,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] [2019-12-07 10:27:26,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0,QUANTIFIED] Derived loop invariant: ((\exists ULTIMATE.start_main_~s~0 : bv32 :: ~bvult32(ULTIMATE.start_main_~s~0, 31bv32) && ~bvadd64(~bvshl32(1bv32, ULTIMATE.start_main_~s~0), 4294967295bv32) == d) && (!(m == d) || ~bvurem32(n, d) == 0bv32)) && ((m == d || ~bvugt32(n, d)) || ~bvurem32(n, d) == m) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 12.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 14 SDtfs, 98 SDslu, 44 SDs, 0 SdLazy, 116 SolverSat, 24 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 18 NumberOfFragments, 71 HoareAnnotationTreeSize, 4 FomulaSimplifications, 325 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 72 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 8 QuantifiedInterpolants, 1350 SizeOfPredicates, 14 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...