./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.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_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/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 2fc40f01120ca51e77cbf79a7824b0aac7011828 ................................................................................................................................................................................................................................................................................ 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_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/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 2fc40f01120ca51e77cbf79a7824b0aac7011828 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:29:32,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:29:32,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:29:32,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:29:32,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:29:32,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:29:32,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:29:32,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:29:32,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:29:32,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:29:32,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:29:32,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:29:32,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:29:32,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:29:32,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:29:32,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:29:32,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:29:32,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:29:32,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:29:32,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:29:32,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:29:32,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:29:32,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:29:32,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:29:32,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:29:32,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:29:32,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:29:32,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:29:32,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:29:32,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:29:32,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:29:32,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:29:32,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:29:32,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:29:32,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:29:32,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:29:32,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:29:32,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:29:32,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:29:32,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:29:32,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:29:32,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:29:32,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:29:32,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:29:32,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:29:32,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:29:32,878 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:29:32,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:29:32,879 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:29:32,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:29:32,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:29:32,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:29:32,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:29:32,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:29:32,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:29:32,880 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:29:32,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:29:32,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:29:32,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:29:32,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:29:32,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:29:32,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:29:32,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:29:32,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:29:32,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:29:32,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:29:32,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:29:32,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:29:32,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:29:32,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:29:32,882 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_f510dab8-87cb-420c-a4af-edb9f6686cd6/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 -> 2fc40f01120ca51e77cbf79a7824b0aac7011828 [2019-11-20 10:29:33,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:29:33,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:29:33,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:29:33,031 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:29:33,031 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:29:33,032 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-11-20 10:29:33,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/data/c89cb120c/8b11db3a67274677a978192f29600576/FLAG30c90be72 [2019-11-20 10:29:33,537 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:29:33,540 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-11-20 10:29:33,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/data/c89cb120c/8b11db3a67274677a978192f29600576/FLAG30c90be72 [2019-11-20 10:29:33,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/data/c89cb120c/8b11db3a67274677a978192f29600576 [2019-11-20 10:29:33,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:29:33,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:29:33,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:29:33,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:29:33,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:29:33,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:33,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e95bc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33, skipping insertion in model container [2019-11-20 10:29:33,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:33,586 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:29:33,607 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:29:33,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:29:33,864 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:29:33,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:29:33,953 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:29:33,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33 WrapperNode [2019-11-20 10:29:33,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:29:33,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:29:33,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:29:33,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:29:33,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:33,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:34,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:29:34,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:29:34,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:29:34,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:29:34,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:34,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:34,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:34,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:34,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:34,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:34,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (1/1) ... [2019-11-20 10:29:34,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:29:34,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:29:34,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:29:34,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:29:34,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/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 10:29:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:29:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 10:29:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:29:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 10:29:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:29:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:29:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:29:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:29:34,495 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:29:34,495 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 10:29:34,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:29:34 BoogieIcfgContainer [2019-11-20 10:29:34,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:29:34,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:29:34,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:29:34,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:29:34,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:29:33" (1/3) ... [2019-11-20 10:29:34,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770f982f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:29:34, skipping insertion in model container [2019-11-20 10:29:34,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:33" (2/3) ... [2019-11-20 10:29:34,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770f982f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:29:34, skipping insertion in model container [2019-11-20 10:29:34,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:29:34" (3/3) ... [2019-11-20 10:29:34,502 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2019-11-20 10:29:34,510 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:29:34,516 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:29:34,526 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:29:34,547 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:29:34,547 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:29:34,547 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:29:34,547 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:29:34,548 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:29:34,548 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:29:34,548 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:29:34,548 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:29:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-20 10:29:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:29:34,565 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:29:34,566 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:29:34,566 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:29:34,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:29:34,571 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-11-20 10:29:34,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:29:34,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564266641] [2019-11-20 10:29:34,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:29:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:29:34,676 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 10:29:34,677 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564266641] [2019-11-20 10:29:34,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:29:34,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:29:34,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958073599] [2019-11-20 10:29:34,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:29:34,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:29:34,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:29:34,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:29:34,695 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-11-20 10:29:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:29:34,710 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-11-20 10:29:34,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:29:34,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 10:29:34,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:29:34,719 INFO L225 Difference]: With dead ends: 58 [2019-11-20 10:29:34,719 INFO L226 Difference]: Without dead ends: 27 [2019-11-20 10:29:34,722 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 10:29:34,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-20 10:29:34,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-20 10:29:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-20 10:29:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-11-20 10:29:34,753 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-11-20 10:29:34,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:29:34,754 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-20 10:29:34,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:29:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-11-20 10:29:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:29:34,755 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:29:34,755 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:29:34,755 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:29:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:29:34,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-11-20 10:29:34,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:29:34,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822464690] [2019-11-20 10:29:34,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:29:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:29:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:29:34,837 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:29:34,838 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 10:29:34,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:29:34 BoogieIcfgContainer [2019-11-20 10:29:34,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:29:34,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:29:34,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:29:34,862 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:29:34,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:29:34" (3/4) ... [2019-11-20 10:29:34,866 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:29:34,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:29:34,868 INFO L168 Benchmark]: Toolchain (without parser) took 1297.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:29:34,869 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:29:34,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:29:34,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.34 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 10:29:34,870 INFO L168 Benchmark]: Boogie Preprocessor took 45.80 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:29:34,871 INFO L168 Benchmark]: RCFGBuilder took 427.47 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:29:34,872 INFO L168 Benchmark]: TraceAbstraction took 364.24 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:29:34,872 INFO L168 Benchmark]: Witness Printer took 4.22 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 10:29:34,875 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 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.34 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 45.80 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 427.47 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 364.24 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.22 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: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 34, overapproximation of someUnaryDOUBLEoperation at line 86, overapproximation of bitwiseAnd at line 35, overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L86] double x = -0.0; [L18] __int32_t msw, exponent_less_1023; [L19] __uint32_t lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L26] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L27] COND TRUE exponent_less_1023 < 20 [L28] COND FALSE !(exponent_less_1023 < 0) [L34] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L35] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L36] return x; [L87] double res = round_double(x); [L90] EXPR res == -0.0 && __signbit_double(res) == 1 [L90] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L91] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 38 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=30occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 10:29:36,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:29:36,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:29:36,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:29:36,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:29:36,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:29:36,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:29:36,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:29:36,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:29:36,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:29:36,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:29:36,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:29:36,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:29:36,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:29:36,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:29:36,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:29:36,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:29:36,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:29:36,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:29:36,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:29:36,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:29:36,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:29:37,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:29:37,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:29:37,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:29:37,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:29:37,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:29:37,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:29:37,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:29:37,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:29:37,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:29:37,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:29:37,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:29:37,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:29:37,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:29:37,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:29:37,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:29:37,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:29:37,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:29:37,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:29:37,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:29:37,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 10:29:37,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:29:37,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:29:37,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:29:37,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:29:37,043 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:29:37,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:29:37,043 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:29:37,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:29:37,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:29:37,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:29:37,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:29:37,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:29:37,044 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 10:29:37,045 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 10:29:37,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:29:37,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:29:37,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:29:37,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:29:37,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:29:37,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:29:37,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:29:37,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:29:37,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:29:37,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:29:37,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:29:37,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:29:37,047 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 10:29:37,048 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 10:29:37,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:29:37,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 10:29:37,048 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_f510dab8-87cb-420c-a4af-edb9f6686cd6/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 -> 2fc40f01120ca51e77cbf79a7824b0aac7011828 [2019-11-20 10:29:37,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:29:37,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:29:37,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:29:37,364 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:29:37,364 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:29:37,365 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-11-20 10:29:37,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/data/052a2347b/97e2380393284fed86863b99f80b1689/FLAG97c780cfd [2019-11-20 10:29:37,797 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:29:37,798 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-11-20 10:29:37,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/data/052a2347b/97e2380393284fed86863b99f80b1689/FLAG97c780cfd [2019-11-20 10:29:38,242 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/data/052a2347b/97e2380393284fed86863b99f80b1689 [2019-11-20 10:29:38,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:29:38,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:29:38,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:29:38,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:29:38,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:29:38,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16bdef6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38, skipping insertion in model container [2019-11-20 10:29:38,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,263 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:29:38,286 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:29:38,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:29:38,526 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:29:38,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:29:38,675 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:29:38,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38 WrapperNode [2019-11-20 10:29:38,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:29:38,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:29:38,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:29:38,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:29:38,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:29:38,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:29:38,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:29:38,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:29:38,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (1/1) ... [2019-11-20 10:29:38,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:29:38,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:29:38,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:29:38,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:29:38,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/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 10:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 10:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 10:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 10:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:29:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 10:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:29:39,230 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:29:39,230 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 10:29:39,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:29:39 BoogieIcfgContainer [2019-11-20 10:29:39,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:29:39,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:29:39,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:29:39,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:29:39,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:29:38" (1/3) ... [2019-11-20 10:29:39,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464529e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:29:39, skipping insertion in model container [2019-11-20 10:29:39,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:29:38" (2/3) ... [2019-11-20 10:29:39,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464529e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:29:39, skipping insertion in model container [2019-11-20 10:29:39,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:29:39" (3/3) ... [2019-11-20 10:29:39,241 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2019-11-20 10:29:39,249 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:29:39,257 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:29:39,266 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:29:39,288 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:29:39,289 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:29:39,289 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:29:39,289 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:29:39,289 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:29:39,290 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:29:39,290 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:29:39,290 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:29:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-20 10:29:39,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:29:39,309 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:29:39,310 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:29:39,311 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:29:39,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:29:39,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-11-20 10:29:39,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:29:39,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736905201] [2019-11-20 10:29:39,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/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 10:29:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:29:39,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 10:29:39,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:29:39,434 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 10:29:39,435 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:29:39,438 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 10:29:39,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736905201] [2019-11-20 10:29:39,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:29:39,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 10:29:39,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893108448] [2019-11-20 10:29:39,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:29:39,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:29:39,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:29:39,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:29:39,455 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-11-20 10:29:39,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:29:39,470 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-11-20 10:29:39,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:29:39,471 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 10:29:39,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:29:39,486 INFO L225 Difference]: With dead ends: 58 [2019-11-20 10:29:39,487 INFO L226 Difference]: Without dead ends: 27 [2019-11-20 10:29:39,491 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 10:29:39,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-20 10:29:39,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-20 10:29:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-20 10:29:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-11-20 10:29:39,521 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-11-20 10:29:39,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:29:39,522 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-20 10:29:39,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:29:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-11-20 10:29:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:29:39,523 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:29:39,523 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:29:39,725 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 10:29:39,725 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:29:39,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:29:39,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-11-20 10:29:39,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:29:39,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740903344] [2019-11-20 10:29:39,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/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 10:29:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:29:39,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 10:29:39,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:29:39,919 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 10:29:39,919 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:29:40,012 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 10:29:40,012 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740903344] [2019-11-20 10:29:40,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:29:40,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 10:29:40,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645852421] [2019-11-20 10:29:40,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 10:29:40,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:29:40,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 10:29:40,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:29:40,016 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 8 states. [2019-11-20 10:29:40,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:29:40,253 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2019-11-20 10:29:40,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:29:40,254 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-20 10:29:40,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:29:40,255 INFO L225 Difference]: With dead ends: 40 [2019-11-20 10:29:40,255 INFO L226 Difference]: Without dead ends: 21 [2019-11-20 10:29:40,256 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-20 10:29:40,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-20 10:29:40,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-20 10:29:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 10:29:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-20 10:29:40,262 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2019-11-20 10:29:40,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:29:40,262 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-20 10:29:40,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 10:29:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-20 10:29:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:29:40,264 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:29:40,264 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:29:40,485 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 10:29:40,485 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:29:40,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:29:40,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2019-11-20 10:29:40,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:29:40,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296464139] [2019-11-20 10:29:40,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 10:29:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:29:40,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 10:29:40,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:29:40,638 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2019-11-20 10:29:40,647 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 10:29:40,653 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:29:40,653 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 10:29:40,657 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:29:40,658 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:29:40,658 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2019-11-20 10:29:40,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:29:40,739 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 10:29:40,739 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:29:40,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:29:40,793 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2019-11-20 10:29:40,796 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 10:29:40,801 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:29:40,802 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 10:29:40,805 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:29:40,805 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 10:29:40,805 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:16 [2019-11-20 10:29:40,858 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 10:29:40,858 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296464139] [2019-11-20 10:29:40,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:29:40,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2019-11-20 10:29:40,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823679042] [2019-11-20 10:29:40,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-20 10:29:40,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:29:40,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-20 10:29:40,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-11-20 10:29:40,861 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2019-11-20 10:29:41,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:29:41,181 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-11-20 10:29:41,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:29:41,182 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2019-11-20 10:29:41,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:29:41,183 INFO L225 Difference]: With dead ends: 24 [2019-11-20 10:29:41,184 INFO L226 Difference]: Without dead ends: 21 [2019-11-20 10:29:41,184 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-11-20 10:29:41,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-20 10:29:41,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-20 10:29:41,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 10:29:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-11-20 10:29:41,190 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-11-20 10:29:41,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:29:41,190 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-11-20 10:29:41,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-20 10:29:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-11-20 10:29:41,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:29:41,191 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:29:41,191 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:29:41,392 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 10:29:41,393 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:29:41,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:29:41,393 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2019-11-20 10:29:41,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:29:41,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415164066] [2019-11-20 10:29:41,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f510dab8-87cb-420c-a4af-edb9f6686cd6/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-20 10:29:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:29:41,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 10:29:41,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:29:41,552 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2019-11-20 10:29:41,567 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 10:29:41,570 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:29:41,570 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 10:29:41,588 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:29:41,589 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 10:29:41,589 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:29 [2019-11-20 10:29:41,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:29:41,809 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 10:29:41,810 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:29:41,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:29:42,046 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2019-11-20 10:29:42,049 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 10:29:42,052 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:29:42,052 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 10:29:42,067 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:29:42,068 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 10:29:42,068 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:60, output treesize:30 [2019-11-20 10:29:44,384 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 10:29:44,384 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415164066] [2019-11-20 10:29:44,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:29:44,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-11-20 10:29:44,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726566804] [2019-11-20 10:29:44,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-20 10:29:44,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:29:44,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-20 10:29:44,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=263, Unknown=1, NotChecked=0, Total=306 [2019-11-20 10:29:44,386 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 18 states. [2019-11-20 10:29:45,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:29:45,148 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-11-20 10:29:45,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 10:29:45,149 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2019-11-20 10:29:45,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:29:45,149 INFO L225 Difference]: With dead ends: 21 [2019-11-20 10:29:45,149 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:29:45,150 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=140, Invalid=459, Unknown=1, NotChecked=0, Total=600 [2019-11-20 10:29:45,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:29:45,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:29:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:29:45,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:29:45,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-11-20 10:29:45,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:29:45,151 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:29:45,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-20 10:29:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:29:45,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:29:45,351 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 10:29:45,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:29:45,624 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-11-20 10:29:45,875 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-11-20 10:29:46,082 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-11-20 10:29:46,087 INFO L444 ceAbstractionStarter]: For program point L27(lines 27 56) no Hoare annotation was computed. [2019-11-20 10:29:46,088 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 53) no Hoare annotation was computed. [2019-11-20 10:29:46,088 INFO L444 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2019-11-20 10:29:46,088 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2019-11-20 10:29:46,089 INFO L440 ceAbstractionStarter]: At program point L69-2(lines 69 73) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_round_double_~x (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53))))) (= (_ bv0 32) ULTIMATE.start_round_double_~lsw~0) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_round_double_#res|))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start___signbit_double_~x))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_main_~res~0 (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) |ULTIMATE.start_main_#t~short10| (fp.eq |ULTIMATE.start_round_double_#res| (fp.neg (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|) ULTIMATE.start_round_double_~msw~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53)))))) [2019-11-20 10:29:46,089 INFO L444 ceAbstractionStarter]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2019-11-20 10:29:46,089 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:29:46,089 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:29:46,089 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:29:46,089 INFO L444 ceAbstractionStarter]: For program point L28(lines 28 40) no Hoare annotation was computed. [2019-11-20 10:29:46,089 INFO L444 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-20 10:29:46,090 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-11-20 10:29:46,090 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 17 64) no Hoare annotation was computed. [2019-11-20 10:29:46,090 INFO L444 ceAbstractionStarter]: For program point L90-2(lines 90 93) no Hoare annotation was computed. [2019-11-20 10:29:46,090 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-11-20 10:29:46,090 INFO L444 ceAbstractionStarter]: For program point L57-2(lines 57 62) no Hoare annotation was computed. [2019-11-20 10:29:46,090 INFO L444 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2019-11-20 10:29:46,090 INFO L440 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (= ULTIMATE.start_round_double_~x (fp.neg (_ +zero 11 53))) [2019-11-20 10:29:46,090 INFO L444 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2019-11-20 10:29:46,091 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-11-20 10:29:46,091 INFO L444 ceAbstractionStarter]: For program point L41(lines 41 56) no Hoare annotation was computed. [2019-11-20 10:29:46,091 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:29:46,091 INFO L447 ceAbstractionStarter]: At program point L95(lines 78 96) the Hoare annotation is: true [2019-11-20 10:29:46,091 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-20 10:29:46,092 INFO L440 ceAbstractionStarter]: At program point L75(lines 66 76) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_round_double_~x (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53))))) (= (_ bv0 32) ULTIMATE.start_round_double_~lsw~0) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_round_double_#res|))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (= (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start___signbit_double_~x))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_main_~res~0 (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) |ULTIMATE.start_main_#t~short10| (fp.eq |ULTIMATE.start_round_double_#res| (fp.neg (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|) ULTIMATE.start_round_double_~msw~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64)) (v_skolemized_v_prenex_3_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_3) ((_ extract 62 52) v_skolemized_v_prenex_3_3) ((_ extract 51 0) v_skolemized_v_prenex_3_3)) (let ((.cse5 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) v_skolemized_v_prenex_3_3))))) [2019-11-20 10:29:46,092 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 45) no Hoare annotation was computed. [2019-11-20 10:29:46,092 INFO L440 ceAbstractionStarter]: At program point L63(lines 17 64) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_round_double_~x (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53))))) (= (_ bv0 32) ULTIMATE.start_round_double_~lsw~0) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_round_double_#res|))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (fp.eq |ULTIMATE.start_round_double_#res| (fp.neg (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|) ULTIMATE.start_round_double_~msw~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53)))))) [2019-11-20 10:29:46,096 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-11-20 10:29:46,096 INFO L444 ceAbstractionStarter]: For program point L30-2(lines 30 31) no Hoare annotation was computed. [2019-11-20 10:29:46,097 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-11-20 10:29:46,101 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 10:29:46,107 INFO L168 Benchmark]: Toolchain (without parser) took 7860.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 961.8 MB in the beginning and 844.7 MB in the end (delta: 117.1 MB). Peak memory consumption was 270.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:29:46,113 INFO L168 Benchmark]: CDTParser took 0.26 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 10:29:46,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:29:46,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.93 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:29:46,115 INFO L168 Benchmark]: Boogie Preprocessor took 33.82 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 10:29:46,115 INFO L168 Benchmark]: RCFGBuilder took 482.00 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:29:46,116 INFO L168 Benchmark]: TraceAbstraction took 6872.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 844.7 MB in the end (delta: 273.2 MB). Peak memory consumption was 273.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:29:46,123 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 428.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.93 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.82 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 482.00 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6872.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 844.7 MB in the end (delta: 273.2 MB). Peak memory consumption was 273.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...