./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/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 7f5bdb078d6ad5b90a3e716506f89d68a310f749 ........................................................................................................................................................................................................................................................... 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_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/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 7f5bdb078d6ad5b90a3e716506f89d68a310f749 ........................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:23:14,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:23:14,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:23:14,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:23:14,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:23:14,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:23:14,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:23:14,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:23:14,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:23:14,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:23:14,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:23:14,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:23:14,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:23:14,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:23:14,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:23:14,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:23:14,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:23:14,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:23:14,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:23:14,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:23:14,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:23:14,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:23:14,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:23:14,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:23:14,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:23:14,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:23:14,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:23:14,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:23:14,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:23:14,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:23:14,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:23:14,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:23:14,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:23:14,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:23:14,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:23:14,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:23:14,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:23:14,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:23:14,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:23:14,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:23:14,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:23:14,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 08:23:14,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:23:14,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:23:14,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:23:14,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:23:14,848 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:23:14,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:23:14,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:23:14,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:23:14,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:23:14,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:23:14,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:23:14,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:23:14,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:23:14,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:23:14,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:23:14,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:23:14,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:23:14,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:23:14,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:23:14,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:23:14,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 08:23:14,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 08:23:14,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:23:14,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:23:14,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:23:14,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:23:14,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:23:14,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:23:14,853 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_e4d61c20-23d5-4749-9bec-0d4763a39833/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 -> 7f5bdb078d6ad5b90a3e716506f89d68a310f749 [2019-11-20 08:23:14,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:23:14,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:23:14,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:23:15,001 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:23:15,001 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:23:15,002 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2019-11-20 08:23:15,065 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/data/651789b72/9628a397b9904ea8888d9431831f46cd/FLAGc361133ac [2019-11-20 08:23:15,429 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:23:15,430 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2019-11-20 08:23:15,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/data/651789b72/9628a397b9904ea8888d9431831f46cd/FLAGc361133ac [2019-11-20 08:23:15,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/data/651789b72/9628a397b9904ea8888d9431831f46cd [2019-11-20 08:23:15,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:23:15,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:23:15,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:23:15,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:23:15,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:23:15,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322d68be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15, skipping insertion in model container [2019-11-20 08:23:15,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,460 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:23:15,473 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:23:15,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:23:15,618 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:23:15,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:23:15,709 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:23:15,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15 WrapperNode [2019-11-20 08:23:15,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:23:15,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:23:15,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:23:15,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:23:15,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:23:15,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:23:15,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:23:15,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:23:15,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (1/1) ... [2019-11-20 08:23:15,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:23:15,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:23:15,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:23:15,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:23:15,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/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 [2019-11-20 08:23:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:23:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:23:15,968 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:23:15,969 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 08:23:15,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:23:15 BoogieIcfgContainer [2019-11-20 08:23:15,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:23:15,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 08:23:15,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 08:23:15,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 08:23:15,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:23:15" (1/3) ... [2019-11-20 08:23:15,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a344e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:23:15, skipping insertion in model container [2019-11-20 08:23:15,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:15" (2/3) ... [2019-11-20 08:23:15,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a344e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:23:15, skipping insertion in model container [2019-11-20 08:23:15,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:23:15" (3/3) ... [2019-11-20 08:23:15,977 INFO L109 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2019-11-20 08:23:15,989 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 08:23:15,995 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 08:23:16,006 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 08:23:16,040 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 08:23:16,040 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 08:23:16,040 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 08:23:16,040 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:23:16,041 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:23:16,041 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 08:23:16,041 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:23:16,042 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 08:23:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-20 08:23:16,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 08:23:16,060 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:23:16,061 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 08:23:16,061 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:23:16,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:23:16,067 INFO L82 PathProgramCache]: Analyzing trace with hash 29954948, now seen corresponding path program 1 times [2019-11-20 08:23:16,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:23:16,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332646867] [2019-11-20 08:23:16,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:23:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:23:16,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:23:16,173 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332646867] [2019-11-20 08:23:16,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:23:16,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 08:23:16,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201321964] [2019-11-20 08:23:16,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 08:23:16,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:23:16,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 08:23:16,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 08:23:16,198 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2019-11-20 08:23:16,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:23:16,216 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2019-11-20 08:23:16,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 08:23:16,217 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-11-20 08:23:16,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:23:16,227 INFO L225 Difference]: With dead ends: 19 [2019-11-20 08:23:16,228 INFO L226 Difference]: Without dead ends: 7 [2019-11-20 08:23:16,231 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 08:23:16,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-20 08:23:16,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-20 08:23:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 08:23:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-20 08:23:16,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-11-20 08:23:16,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:23:16,256 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-11-20 08:23:16,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 08:23:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-20 08:23:16,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 08:23:16,257 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:23:16,257 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 08:23:16,258 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:23:16,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:23:16,258 INFO L82 PathProgramCache]: Analyzing trace with hash 921957070, now seen corresponding path program 1 times [2019-11-20 08:23:16,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:23:16,259 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354865905] [2019-11-20 08:23:16,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:23:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:23:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:23:16,300 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:23:16,300 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 08:23:16,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:23:16 BoogieIcfgContainer [2019-11-20 08:23:16,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 08:23:16,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:23:16,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:23:16,316 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:23:16,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:23:15" (3/4) ... [2019-11-20 08:23:16,320 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 08:23:16,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:23:16,322 INFO L168 Benchmark]: Toolchain (without parser) took 875.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:23:16,322 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:23:16,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 08:23:16,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:23:16,324 INFO L168 Benchmark]: Boogie Preprocessor took 18.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:23:16,324 INFO L168 Benchmark]: RCFGBuilder took 211.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 08:23:16,325 INFO L168 Benchmark]: TraceAbstraction took 344.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:23:16,325 INFO L168 Benchmark]: Witness Printer took 4.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:23:16,328 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 211.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 344.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.23 ms. Allocated memory is still 1.2 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: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 14. Possible FailurePath: [L10] unsigned int x = 5; [L11] COND FALSE !(__VERIFIER_nondet_int()) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 0.1.24-678e011 [2019-11-20 08:23:18,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:23:18,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:23:18,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:23:18,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:23:18,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:23:18,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:23:18,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:23:18,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:23:18,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:23:18,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:23:18,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:23:18,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:23:18,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:23:18,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:23:18,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:23:18,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:23:18,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:23:18,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:23:18,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:23:18,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:23:18,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:23:18,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:23:18,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:23:18,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:23:18,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:23:18,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:23:18,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:23:18,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:23:18,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:23:18,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:23:18,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:23:18,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:23:18,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:23:18,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:23:18,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:23:18,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:23:18,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:23:18,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:23:18,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:23:18,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:23:18,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 08:23:18,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:23:18,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:23:18,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:23:18,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:23:18,161 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:23:18,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:23:18,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:23:18,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:23:18,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:23:18,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:23:18,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:23:18,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:23:18,163 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 08:23:18,164 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 08:23:18,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:23:18,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:23:18,164 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:23:18,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:23:18,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:23:18,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:23:18,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:23:18,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 08:23:18,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 08:23:18,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:23:18,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:23:18,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:23:18,167 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 08:23:18,167 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 08:23:18,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:23:18,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 08:23:18,167 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_e4d61c20-23d5-4749-9bec-0d4763a39833/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 -> 7f5bdb078d6ad5b90a3e716506f89d68a310f749 [2019-11-20 08:23:18,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:23:18,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:23:18,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:23:18,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:23:18,510 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:23:18,511 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2019-11-20 08:23:18,572 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/data/d45a21ae0/e0e5cb161c31413ca53796ef803c7815/FLAGf97b1454f [2019-11-20 08:23:18,938 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:23:18,938 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2019-11-20 08:23:18,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/data/d45a21ae0/e0e5cb161c31413ca53796ef803c7815/FLAGf97b1454f [2019-11-20 08:23:19,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/data/d45a21ae0/e0e5cb161c31413ca53796ef803c7815 [2019-11-20 08:23:19,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:23:19,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:23:19,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:23:19,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:23:19,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:23:19,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692b1aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19, skipping insertion in model container [2019-11-20 08:23:19,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,338 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:23:19,351 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:23:19,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:23:19,540 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:23:19,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:23:19,572 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:23:19,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19 WrapperNode [2019-11-20 08:23:19,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:23:19,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:23:19,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:23:19,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:23:19,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:23:19,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:23:19,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:23:19,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:23:19,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (1/1) ... [2019-11-20 08:23:19,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:23:19,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:23:19,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:23:19,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:23:19,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/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 [2019-11-20 08:23:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:23:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:23:19,904 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:23:19,905 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 08:23:19,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:23:19 BoogieIcfgContainer [2019-11-20 08:23:19,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:23:19,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 08:23:19,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 08:23:19,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 08:23:19,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:23:19" (1/3) ... [2019-11-20 08:23:19,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ee531d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:23:19, skipping insertion in model container [2019-11-20 08:23:19,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:23:19" (2/3) ... [2019-11-20 08:23:19,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ee531d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:23:19, skipping insertion in model container [2019-11-20 08:23:19,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:23:19" (3/3) ... [2019-11-20 08:23:19,912 INFO L109 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2019-11-20 08:23:19,921 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 08:23:19,926 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 08:23:19,936 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 08:23:19,957 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 08:23:19,957 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 08:23:19,957 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 08:23:19,958 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:23:19,958 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:23:19,958 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 08:23:19,958 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:23:19,958 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 08:23:19,971 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-20 08:23:19,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 08:23:19,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:23:19,976 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 08:23:19,977 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:23:19,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:23:19,982 INFO L82 PathProgramCache]: Analyzing trace with hash 29805000, now seen corresponding path program 1 times [2019-11-20 08:23:19,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 08:23:19,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2020010028] [2019-11-20 08:23:19,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 08:23:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:23:20,043 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 08:23:20,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:23:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:23:20,097 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 08:23:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:23:20,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2020010028] [2019-11-20 08:23:20,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:23:20,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-20 08:23:20,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193934614] [2019-11-20 08:23:20,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 08:23:20,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 08:23:20,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 08:23:20,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 08:23:20,175 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2019-11-20 08:23:20,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:23:20,262 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2019-11-20 08:23:20,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 08:23:20,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2019-11-20 08:23:20,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:23:20,268 INFO L225 Difference]: With dead ends: 23 [2019-11-20 08:23:20,269 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 08:23:20,271 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-20 08:23:20,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 08:23:20,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 08:23:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 08:23:20,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 08:23:20,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-20 08:23:20,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:23:20,289 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:23:20,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 08:23:20,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 08:23:20,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 08:23:20,492 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 08:23:20,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 08:23:20,602 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 08:23:20,602 INFO L440 ceAbstractionStarter]: At program point L15(lines 9 16) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0))) [2019-11-20 08:23:20,603 INFO L440 ceAbstractionStarter]: At program point L11-2(lines 11 13) the Hoare annotation is: (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0)) [2019-11-20 08:23:20,603 INFO L444 ceAbstractionStarter]: For program point L11-3(lines 11 13) no Hoare annotation was computed. [2019-11-20 08:23:20,603 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-20 08:23:20,603 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 08:23:20,603 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 08:23:20,603 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-20 08:23:20,604 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-20 08:23:20,604 INFO L440 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0))) [2019-11-20 08:23:20,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:23:20 BoogieIcfgContainer [2019-11-20 08:23:20,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 08:23:20,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:23:20,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:23:20,617 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:23:20,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:23:19" (3/4) ... [2019-11-20 08:23:20,620 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 08:23:20,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 08:23:20,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 08:23:20,668 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e4d61c20-23d5-4749-9bec-0d4763a39833/bin/uautomizer/witness.graphml [2019-11-20 08:23:20,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:23:20,674 INFO L168 Benchmark]: Toolchain (without parser) took 1350.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 956.4 MB in the beginning and 1.0 GB in the end (delta: -66.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-11-20 08:23:20,675 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:23:20,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.54 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:23:20,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.79 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:23:20,676 INFO L168 Benchmark]: Boogie Preprocessor took 82.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:23:20,677 INFO L168 Benchmark]: RCFGBuilder took 217.72 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 08:23:20,678 INFO L168 Benchmark]: TraceAbstraction took 709.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:23:20,678 INFO L168 Benchmark]: Witness Printer took 55.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:23:20,681 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 248.54 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 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 31.79 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 217.72 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 709.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. * Witness Printer took 55.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 9]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && 5bv32 == ~bvand32(5bv32, x) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && 5bv32 == ~bvand32(5bv32, x) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 5bv32 == ~bvand32(5bv32, x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 5 SDtfs, 26 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...