./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_loose.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_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/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 8c97aae237a76dbf85532dc8d030e712982e570a ......................................................................................................................................................................................................................... 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_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/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 8c97aae237a76dbf85532dc8d030e712982e570a ......................................................................................................................................................................................................................................................................................................................................... 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 02:26:10,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:26:10,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:26:10,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:26:10,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:26:10,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:26:10,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:26:10,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:26:10,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:26:10,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:26:10,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:26:10,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:26:10,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:26:10,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:26:10,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:26:10,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:26:10,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:26:10,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:26:10,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:26:10,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:26:10,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:26:10,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:26:10,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:26:10,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:26:10,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:26:10,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:26:10,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:26:10,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:26:10,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:26:10,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:26:10,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:26:10,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:26:10,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:26:10,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:26:10,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:26:10,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:26:10,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:26:10,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:26:10,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:26:10,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:26:10,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:26:10,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:26:10,945 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:26:10,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:26:10,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:26:10,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:26:10,947 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:26:10,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:26:10,947 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:26:10,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:26:10,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:26:10,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:26:10,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:26:10,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:26:10,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:26:10,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:26:10,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:26:10,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:26:10,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:26:10,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:26:10,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:26:10,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:26:10,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:26:10,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:26:10,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:26:10,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:26:10,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:26:10,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:26:10,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:26:10,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:26:10,951 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_1400d17e-f7f1-4ea9-90bc-b615a312e18f/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 -> 8c97aae237a76dbf85532dc8d030e712982e570a [2019-11-20 02:26:11,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:26:11,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:26:11,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:26:11,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:26:11,130 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:26:11,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/../../sv-benchmarks/c/float-benchs/zonotope_loose.c [2019-11-20 02:26:11,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/data/928d2866b/f25a9443bbf44460baabdb6487f2ca62/FLAG9f084b91f [2019-11-20 02:26:11,551 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:26:11,551 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/sv-benchmarks/c/float-benchs/zonotope_loose.c [2019-11-20 02:26:11,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/data/928d2866b/f25a9443bbf44460baabdb6487f2ca62/FLAG9f084b91f [2019-11-20 02:26:11,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/data/928d2866b/f25a9443bbf44460baabdb6487f2ca62 [2019-11-20 02:26:11,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:26:11,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:26:11,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:26:11,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:26:11,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:26:11,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:26:11" (1/1) ... [2019-11-20 02:26:11,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4f0cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:11, skipping insertion in model container [2019-11-20 02:26:11,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:26:11" (1/1) ... [2019-11-20 02:26:11,996 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:26:12,008 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:26:12,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:26:12,220 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:26:12,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:26:12,249 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:26:12,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12 WrapperNode [2019-11-20 02:26:12,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:26:12,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:26:12,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:26:12,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:26:12,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (1/1) ... [2019-11-20 02:26:12,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (1/1) ... [2019-11-20 02:26:12,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:26:12,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:26:12,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:26:12,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:26:12,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (1/1) ... [2019-11-20 02:26:12,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (1/1) ... [2019-11-20 02:26:12,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (1/1) ... [2019-11-20 02:26:12,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (1/1) ... [2019-11-20 02:26:12,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (1/1) ... [2019-11-20 02:26:12,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (1/1) ... [2019-11-20 02:26:12,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (1/1) ... [2019-11-20 02:26:12,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:26:12,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:26:12,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:26:12,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:26:12,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/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 02:26:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:26:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:26:12,553 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:26:12,553 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 02:26:12,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:12 BoogieIcfgContainer [2019-11-20 02:26:12,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:26:12,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:26:12,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:26:12,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:26:12,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:26:11" (1/3) ... [2019-11-20 02:26:12,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd15d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:26:12, skipping insertion in model container [2019-11-20 02:26:12,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:12" (2/3) ... [2019-11-20 02:26:12,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd15d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:26:12, skipping insertion in model container [2019-11-20 02:26:12,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:12" (3/3) ... [2019-11-20 02:26:12,567 INFO L109 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c [2019-11-20 02:26:12,576 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:26:12,581 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:26:12,591 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:26:12,609 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:26:12,609 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:26:12,609 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:26:12,609 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:26:12,609 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:26:12,609 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:26:12,610 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:26:12,610 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:26:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-20 02:26:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 02:26:12,625 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:26:12,626 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 02:26:12,626 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:26:12,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:26:12,631 INFO L82 PathProgramCache]: Analyzing trace with hash 29679878, now seen corresponding path program 1 times [2019-11-20 02:26:12,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:26:12,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514816268] [2019-11-20 02:26:12,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:26:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:26:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:26:12,744 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:26:12,745 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 02:26:12,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:26:12 BoogieIcfgContainer [2019-11-20 02:26:12,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:26:12,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:26:12,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:26:12,765 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:26:12,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:12" (3/4) ... [2019-11-20 02:26:12,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:26:12,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:26:12,774 INFO L168 Benchmark]: Toolchain (without parser) took 790.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:26:12,775 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:26:12,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:26:12,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.75 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. [2019-11-20 02:26:12,781 INFO L168 Benchmark]: Boogie Preprocessor took 24.28 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. [2019-11-20 02:26:12,782 INFO L168 Benchmark]: RCFGBuilder took 252.53 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:26:12,783 INFO L168 Benchmark]: TraceAbstraction took 209.66 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:26:12,784 INFO L168 Benchmark]: Witness Printer took 5.62 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. [2019-11-20 02:26:12,793 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.75 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 24.28 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 252.53 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 209.66 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.62 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: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 19. Possible FailurePath: [L13] double x,y; [L15] x = __VERIFIER_nondet_double() [L18] y = x*x - x [L19] COND TRUE y >= 0 [L19] y = x / 10. [L9] COND TRUE !(cond) [L9] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, 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=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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 0.1.24-678e011 [2019-11-20 02:26:14,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:26:14,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:26:14,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:26:14,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:26:14,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:26:14,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:26:14,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:26:14,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:26:14,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:26:14,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:26:14,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:26:14,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:26:14,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:26:14,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:26:14,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:26:14,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:26:14,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:26:14,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:26:14,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:26:14,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:26:14,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:26:14,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:26:14,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:26:14,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:26:14,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:26:14,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:26:14,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:26:14,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:26:14,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:26:14,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:26:14,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:26:14,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:26:14,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:26:14,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:26:14,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:26:14,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:26:14,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:26:14,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:26:14,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:26:14,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:26:14,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 02:26:14,725 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:26:14,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:26:14,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:26:14,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:26:14,727 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:26:14,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:26:14,728 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:26:14,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:26:14,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:26:14,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:26:14,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:26:14,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:26:14,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 02:26:14,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 02:26:14,734 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:26:14,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:26:14,735 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:26:14,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:26:14,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:26:14,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:26:14,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:26:14,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:26:14,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:26:14,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:26:14,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:26:14,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:26:14,737 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 02:26:14,737 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 02:26:14,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:26:14,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 02:26:14,738 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_1400d17e-f7f1-4ea9-90bc-b615a312e18f/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 -> 8c97aae237a76dbf85532dc8d030e712982e570a [2019-11-20 02:26:15,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:26:15,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:26:15,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:26:15,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:26:15,093 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:26:15,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/../../sv-benchmarks/c/float-benchs/zonotope_loose.c [2019-11-20 02:26:15,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/data/3f9d438bd/62f427c5b2fe4a93852fe0da2c8d0a2b/FLAG1f490d006 [2019-11-20 02:26:15,545 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:26:15,546 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/sv-benchmarks/c/float-benchs/zonotope_loose.c [2019-11-20 02:26:15,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/data/3f9d438bd/62f427c5b2fe4a93852fe0da2c8d0a2b/FLAG1f490d006 [2019-11-20 02:26:15,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/data/3f9d438bd/62f427c5b2fe4a93852fe0da2c8d0a2b [2019-11-20 02:26:15,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:26:15,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:26:15,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:26:15,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:26:15,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:26:15,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:26:15" (1/1) ... [2019-11-20 02:26:15,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751509d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:15, skipping insertion in model container [2019-11-20 02:26:15,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:26:15" (1/1) ... [2019-11-20 02:26:16,003 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:26:16,020 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:26:16,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:26:16,211 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:26:16,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:26:16,245 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:26:16,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16 WrapperNode [2019-11-20 02:26:16,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:26:16,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:26:16,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:26:16,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:26:16,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (1/1) ... [2019-11-20 02:26:16,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (1/1) ... [2019-11-20 02:26:16,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:26:16,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:26:16,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:26:16,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:26:16,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (1/1) ... [2019-11-20 02:26:16,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (1/1) ... [2019-11-20 02:26:16,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (1/1) ... [2019-11-20 02:26:16,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (1/1) ... [2019-11-20 02:26:16,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (1/1) ... [2019-11-20 02:26:16,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (1/1) ... [2019-11-20 02:26:16,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (1/1) ... [2019-11-20 02:26:16,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:26:16,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:26:16,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:26:16,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:26:16,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/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 02:26:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:26:16,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:26:20,294 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:26:20,294 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 02:26:20,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:20 BoogieIcfgContainer [2019-11-20 02:26:20,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:26:20,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:26:20,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:26:20,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:26:20,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:26:15" (1/3) ... [2019-11-20 02:26:20,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463e97af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:26:20, skipping insertion in model container [2019-11-20 02:26:20,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:26:16" (2/3) ... [2019-11-20 02:26:20,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463e97af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:26:20, skipping insertion in model container [2019-11-20 02:26:20,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:20" (3/3) ... [2019-11-20 02:26:20,304 INFO L109 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c [2019-11-20 02:26:20,313 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:26:20,319 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:26:20,330 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:26:20,357 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:26:20,357 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:26:20,357 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:26:20,357 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:26:20,358 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:26:20,359 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:26:20,359 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:26:20,359 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:26:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-20 02:26:20,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 02:26:20,382 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:26:20,383 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 02:26:20,384 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:26:20,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:26:20,390 INFO L82 PathProgramCache]: Analyzing trace with hash 29679878, now seen corresponding path program 1 times [2019-11-20 02:26:20,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:26:20,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400290899] [2019-11-20 02:26:20,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/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 [2019-11-20 02:26:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:26:21,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 02:26:21,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:26:25,466 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (fp.leq ULTIMATE.start_main_~x~0 .cse0) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (= (fp.div roundNearestTiesToEven ULTIMATE.start_main_~x~0 .cse0) c_ULTIMATE.start_main_~y~0)))) is different from true [2019-11-20 02:26:25,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 02:26:27,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 02:26:40,483 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (or (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (and (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.leq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~x~0 .cse0) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~x~0 .cse0) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53))))) .cse1) (and .cse1 (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.geq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~x~0 .cse2) (_ +zero 11 53))) (fp.leq ULTIMATE.start_main_~x~0 .cse2) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)))))))) is different from false [2019-11-20 02:26:51,812 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (fp.leq v_prenex_1 .cse0) (not (fp.geq (fp.div roundNearestTiesToEven v_prenex_1 .cse0) (_ +zero 11 53))) (fp.geq v_prenex_1 (_ +zero 11 53))))) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.leq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~x~0 .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~x~0 .cse1) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)))))) is different from false [2019-11-20 02:26:54,007 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (fp.leq v_prenex_1 .cse0) (not (fp.geq (fp.div roundNearestTiesToEven v_prenex_1 .cse0) (_ +zero 11 53))) (fp.geq v_prenex_1 (_ +zero 11 53))))) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.leq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~x~0 .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~x~0 .cse1) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)))))) is different from true [2019-11-20 02:26:54,010 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 02:26:54,010 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:26:57,813 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div roundNearestTiesToEven c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))) (and (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0)) (fp.geq .cse0 (_ +zero 11 53)))) is different from true [2019-11-20 02:26:57,814 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 02:26:57,814 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400290899] [2019-11-20 02:26:57,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:26:57,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2019-11-20 02:26:57,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12772053] [2019-11-20 02:26:57,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 02:26:57,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:26:57,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 02:26:57,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=16, Unknown=5, NotChecked=36, Total=72 [2019-11-20 02:26:57,837 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 9 states. [2019-11-20 02:27:29,864 WARN L191 SmtUtils]: Spent 24.59 s on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2019-11-20 02:27:54,227 WARN L191 SmtUtils]: Spent 15.74 s on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2019-11-20 02:28:03,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:28:03,310 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2019-11-20 02:28:03,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:28:03,312 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 5 [2019-11-20 02:28:03,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:28:03,320 INFO L225 Difference]: With dead ends: 22 [2019-11-20 02:28:03,320 INFO L226 Difference]: Without dead ends: 6 [2019-11-20 02:28:03,323 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 71.8s TimeCoverageRelationStatistics Valid=30, Invalid=49, Unknown=9, NotChecked=68, Total=156 [2019-11-20 02:28:03,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-11-20 02:28:03,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-20 02:28:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-20 02:28:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2019-11-20 02:28:03,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 5 [2019-11-20 02:28:03,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:28:03,346 INFO L462 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2019-11-20 02:28:03,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 02:28:03,346 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2019-11-20 02:28:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 02:28:03,347 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:28:03,347 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 02:28:03,548 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 02:28:03,548 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:28:03,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:03,548 INFO L82 PathProgramCache]: Analyzing trace with hash 29739460, now seen corresponding path program 1 times [2019-11-20 02:28:03,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:28:03,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909874625] [2019-11-20 02:28:03,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/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 [2019-11-20 02:28:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:04,156 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 02:28:04,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:28:14,701 WARN L191 SmtUtils]: Spent 9.50 s on a formula simplification that was a NOOP. DAG size: 12 [2019-11-20 02:28:16,754 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (= (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) c_ULTIMATE.start_main_~y~0) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) is different from false [2019-11-20 02:28:18,801 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (= (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) c_ULTIMATE.start_main_~y~0) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) is different from true [2019-11-20 02:28:18,804 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 02:28:20,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 02:28:35,335 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (or (and (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.geq (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) .cse1) (and (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.leq (fp.add roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse2 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) .cse1) (and (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse4 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (let ((.cse3 (fp.add roundNearestTiesToEven .cse4 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) (and (fp.leq .cse3 ((_ to_fp 11 53) roundNearestTiesToEven 105.0)) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (fp.geq .cse3 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse4 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))))))) is different from false [2019-11-20 02:28:45,712 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.geq (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) (exists ((v_prenex_2 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul roundNearestTiesToEven v_prenex_2 v_prenex_2))) (and (fp.geq v_prenex_2 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse1 v_prenex_2) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (fp.leq (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq v_prenex_2 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) is different from false [2019-11-20 02:28:47,766 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.geq (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) (exists ((v_prenex_2 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul roundNearestTiesToEven v_prenex_2 v_prenex_2))) (and (fp.geq v_prenex_2 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse1 v_prenex_2) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (fp.leq (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq v_prenex_2 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) is different from true [2019-11-20 02:28:47,767 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 02:28:47,767 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:29:20,961 WARN L191 SmtUtils]: Spent 19.01 s on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2019-11-20 02:29:20,962 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 02:29:20,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909874625] [2019-11-20 02:29:20,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:29:20,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2019-11-20 02:29:20,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576303518] [2019-11-20 02:29:20,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 02:29:20,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:29:20,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 02:29:20,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=17, Unknown=9, NotChecked=30, Total=72 [2019-11-20 02:29:20,966 INFO L87 Difference]: Start difference. First operand 6 states and 5 transitions. Second operand 9 states. [2019-11-20 02:29:25,171 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul roundNearestTiesToEven c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~x~0))) (and (= (fp.sub roundNearestTiesToEven .cse0 c_ULTIMATE.start_main_~x~0) c_ULTIMATE.start_main_~y~0) (fp.leq c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq c_ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (or (fp.leq (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 105.0)) (fp.geq c_ULTIMATE.start_main_~y~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))))) is different from false [2019-11-20 02:29:28,225 WARN L838 $PredicateComparison]: unable to prove that (and (fp.leq c_ULTIMATE.start_main_~y~0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0)) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (= (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) c_ULTIMATE.start_main_~y~0) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) (fp.geq c_ULTIMATE.start_main_~y~0 (_ +zero 11 53))) is different from false [2019-11-20 02:29:30,296 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (and (or (and (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.geq (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) .cse1) (and (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.leq (fp.add roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse2 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) .cse1) (and (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse4 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (let ((.cse3 (fp.add roundNearestTiesToEven .cse4 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) (and (fp.leq .cse3 ((_ to_fp 11 53) roundNearestTiesToEven 105.0)) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (fp.geq .cse3 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse4 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))))))))) (not .cse1))) is different from false [2019-11-20 02:29:30,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:29:30,301 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-11-20 02:29:30,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:29:30,302 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 5 [2019-11-20 02:29:30,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:29:30,302 INFO L225 Difference]: With dead ends: 6 [2019-11-20 02:29:30,303 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 02:29:30,304 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 61.3s TimeCoverageRelationStatistics Valid=22, Invalid=20, Unknown=12, NotChecked=78, Total=132 [2019-11-20 02:29:30,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 02:29:30,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 02:29:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 02:29:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:29:30,305 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-20 02:29:30,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:29:30,306 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:29:30,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 02:29:30,306 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:29:30,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:29:30,506 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 02:29:30,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 02:29:30,560 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 02:29:30,561 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 02:29:30,561 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 02:29:30,561 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-11-20 02:29:30,561 INFO L440 ceAbstractionStarter]: At program point L23(lines 11 24) the Hoare annotation is: (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) [2019-11-20 02:29:30,562 INFO L444 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2019-11-20 02:29:30,562 INFO L444 ceAbstractionStarter]: For program point L19-2(lines 19 20) no Hoare annotation was computed. [2019-11-20 02:29:30,562 INFO L444 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2019-11-20 02:29:30,562 INFO L444 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-11-20 02:29:30,562 INFO L440 ceAbstractionStarter]: At program point L9-3(line 9) the Hoare annotation is: (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) [2019-11-20 02:29:30,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:29:30 BoogieIcfgContainer [2019-11-20 02:29:30,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:29:30,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:29:30,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:29:30,575 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:29:30,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:26:20" (3/4) ... [2019-11-20 02:29:30,579 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:29:30,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 02:29:30,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:29:30,627 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1400d17e-f7f1-4ea9-90bc-b615a312e18f/bin/uautomizer/witness.graphml [2019-11-20 02:29:30,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:29:30,629 INFO L168 Benchmark]: Toolchain (without parser) took 194650.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 961.8 MB in the beginning and 1.0 GB in the end (delta: -60.3 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:30,629 INFO L168 Benchmark]: CDTParser took 0.19 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 02:29:30,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.10 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:30,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:30,631 INFO L168 Benchmark]: Boogie Preprocessor took 40.86 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:30,632 INFO L168 Benchmark]: RCFGBuilder took 3902.61 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:30,632 INFO L168 Benchmark]: TraceAbstraction took 190277.92 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: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:30,633 INFO L168 Benchmark]: Witness Printer took 52.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:29:30,636 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 264.10 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 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 105.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.86 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3902.61 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 190277.92 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: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. * Witness Printer took 52.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: 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: !(cond == 0bv32) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: !(cond == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 190.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 74.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 12 SDslu, 17 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 133.1s 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 8 HoareAnnotationTreeSize, 2 FomulaSimplifications, 28 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 113.5s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 6 QuantifiedInterpolants, 1764 SizeOfPredicates, 8 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 12 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...