./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3e5ce664 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 ................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-3e5ce66 [2020-12-02 21:37:23,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:37:23,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:37:23,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:37:23,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:37:23,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:37:23,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:37:23,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:37:23,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:37:23,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:37:23,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:37:23,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:37:23,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:37:23,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:37:23,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:37:23,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:37:23,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:37:23,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:37:23,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:37:23,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:37:23,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:37:23,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:37:23,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:37:23,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:37:23,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:37:23,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:37:23,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:37:23,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:37:23,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:37:23,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:37:23,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:37:23,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:37:23,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:37:23,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:37:23,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:37:23,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:37:23,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:37:23,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:37:23,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:37:23,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:37:23,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:37:23,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 21:37:23,804 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:37:23,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:37:23,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:37:23,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:37:23,808 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:37:23,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:37:23,809 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:37:23,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 21:37:23,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:37:23,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:37:23,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:37:23,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:37:23,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:37:23,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:37:23,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:37:23,812 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:37:23,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:37:23,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:37:23,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:37:23,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:37:23,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:37:23,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:37:23,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:37:23,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:37:23,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 21:37:23,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 21:37:23,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:37:23,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:37:23,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 [2020-12-02 21:37:24,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:37:24,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:37:24,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:37:24,292 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:37:24,293 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:37:24,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c [2020-12-02 21:37:24,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdf593be8/5281f7dad13e45008640a8aa03dfa49a/FLAGb797d0f0c [2020-12-02 21:37:25,057 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:37:25,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c [2020-12-02 21:37:25,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdf593be8/5281f7dad13e45008640a8aa03dfa49a/FLAGb797d0f0c [2020-12-02 21:37:25,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdf593be8/5281f7dad13e45008640a8aa03dfa49a [2020-12-02 21:37:25,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:37:25,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:37:25,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:37:25,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:37:25,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:37:25,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:25,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce3ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25, skipping insertion in model container [2020-12-02 21:37:25,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:25,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:37:25,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:37:25,738 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-02 21:37:25,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:37:25,752 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:37:25,831 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-02 21:37:25,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:37:25,884 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:37:25,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25 WrapperNode [2020-12-02 21:37:25,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:37:25,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:37:25,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:37:25,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:37:25,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:25,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:26,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:37:26,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:37:26,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:37:26,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:37:26,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:26,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:26,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:26,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:26,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:26,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:26,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (1/1) ... [2020-12-02 21:37:26,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:37:26,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:37:26,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:37:26,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:37:26,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-02 21:37:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 21:37:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:37:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 21:37:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 21:37:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 21:37:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:37:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:37:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 21:37:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-02 21:37:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:37:27,032 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:37:27,032 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-02 21:37:27,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:27 BoogieIcfgContainer [2020-12-02 21:37:27,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:37:27,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:37:27,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:37:27,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:37:27,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:37:25" (1/3) ... [2020-12-02 21:37:27,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@424b79b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:37:27, skipping insertion in model container [2020-12-02 21:37:27,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:25" (2/3) ... [2020-12-02 21:37:27,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@424b79b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:37:27, skipping insertion in model container [2020-12-02 21:37:27,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:27" (3/3) ... [2020-12-02 21:37:27,045 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2020-12-02 21:37:27,067 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:37:27,072 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:37:27,086 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:37:27,132 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:37:27,132 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:37:27,132 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:37:27,132 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:37:27,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:37:27,133 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:37:27,133 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:37:27,133 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:37:27,155 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-12-02 21:37:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 21:37:27,162 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:27,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:27,163 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:27,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:27,170 INFO L82 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2020-12-02 21:37:27,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:37:27,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608784836] [2020-12-02 21:37:27,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:37:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:37:27,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608784836] [2020-12-02 21:37:27,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:27,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 21:37:27,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973586799] [2020-12-02 21:37:27,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:37:27,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 21:37:27,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:37:27,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:37:27,374 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-12-02 21:37:27,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:27,403 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2020-12-02 21:37:27,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:37:27,405 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 21:37:27,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:27,417 INFO L225 Difference]: With dead ends: 119 [2020-12-02 21:37:27,418 INFO L226 Difference]: Without dead ends: 57 [2020-12-02 21:37:27,422 INFO L677 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 [2020-12-02 21:37:27,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-02 21:37:27,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-02 21:37:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-02 21:37:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2020-12-02 21:37:27,475 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2020-12-02 21:37:27,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:27,476 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2020-12-02 21:37:27,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:37:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2020-12-02 21:37:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 21:37:27,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:27,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:27,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 21:37:27,478 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:27,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:27,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2020-12-02 21:37:27,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:37:27,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069177836] [2020-12-02 21:37:27,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:37:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:37:27,617 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:37:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:37:27,728 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:37:27,791 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 21:37:27,792 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 21:37:27,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 21:37:27,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:37:27 BoogieIcfgContainer [2020-12-02 21:37:27,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 21:37:27,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 21:37:27,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 21:37:27,863 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 21:37:27,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:27" (3/4) ... [2020-12-02 21:37:27,870 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 21:37:27,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 21:37:27,876 INFO L168 Benchmark]: Toolchain (without parser) took 2452.06 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 19.6 MB in the beginning and 23.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:27,877 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 41.9 MB. Free memory was 22.7 MB in the beginning and 22.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:37:27,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.75 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 19.4 MB in the beginning and 36.9 MB in the end (delta: -17.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:27,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.86 ms. Allocated memory is still 52.4 MB. Free memory was 36.9 MB in the beginning and 34.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:27,881 INFO L168 Benchmark]: Boogie Preprocessor took 93.65 ms. Allocated memory is still 52.4 MB. Free memory was 34.5 MB in the beginning and 32.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:27,883 INFO L168 Benchmark]: RCFGBuilder took 922.71 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 23.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:27,884 INFO L168 Benchmark]: TraceAbstraction took 824.38 ms. Allocated memory is still 52.4 MB. Free memory was 23.3 MB in the beginning and 23.3 MB in the end (delta: 44.3 kB). Peak memory consumption was 828.4 kB. Max. memory is 16.1 GB. [2020-12-02 21:37:27,886 INFO L168 Benchmark]: Witness Printer took 8.60 ms. Allocated memory is still 52.4 MB. Free memory was 23.3 MB in the beginning and 23.0 MB in the end (delta: 289.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:37:27,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 41.9 MB. Free memory was 22.7 MB in the beginning and 22.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 465.75 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 19.4 MB in the beginning and 36.9 MB in the end (delta: -17.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.86 ms. Allocated memory is still 52.4 MB. Free memory was 36.9 MB in the beginning and 34.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.65 ms. Allocated memory is still 52.4 MB. Free memory was 34.5 MB in the beginning and 32.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 922.71 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 23.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 824.38 ms. Allocated memory is still 52.4 MB. Free memory was 23.3 MB in the beginning and 23.3 MB in the end (delta: 44.3 kB). Peak memory consumption was 828.4 kB. Max. memory is 16.1 GB. * Witness Printer took 8.60 ms. Allocated memory is still 52.4 MB. Free memory was 23.3 MB in the beginning and 23.0 MB in the end (delta: 289.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 193]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 192, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L184] double x = 0.0; [L185] double y = __VERIFIER_nondet_double(); [L187] COND TRUE y < 0.0 || y > 0.0 [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={9:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L189] double res = fmod_double(x, y); [L192] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_fmod=1, Zero_fmod={9:0}] [L192] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L193] reach_error() VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 89 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=61occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 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, ACCELERATED_INTERPOLATION: 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 0.2.0-3e5ce66 [2020-12-02 21:37:30,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:37:30,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:37:30,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:37:30,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:37:30,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:37:30,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:37:30,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:37:30,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:37:30,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:37:30,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:37:30,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:37:30,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:37:30,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:37:30,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:37:30,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:37:30,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:37:30,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:37:30,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:37:30,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:37:30,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:37:30,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:37:30,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:37:30,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:37:30,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:37:30,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:37:30,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:37:30,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:37:30,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:37:30,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:37:30,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:37:30,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:37:30,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:37:30,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:37:30,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:37:30,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:37:30,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:37:30,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:37:30,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:37:30,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:37:30,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:37:30,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 21:37:30,735 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:37:30,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:37:30,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:37:30,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:37:30,739 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:37:30,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:37:30,740 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:37:30,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:37:30,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:37:30,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:37:30,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:37:30,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:37:30,741 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 21:37:30,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 21:37:30,742 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:37:30,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:37:30,742 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:37:30,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:37:30,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:37:30,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:37:30,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:37:30,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:37:30,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:37:30,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:37:30,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:37:30,745 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 21:37:30,746 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-02 21:37:30,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:37:30,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:37:30,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 21:37:30,747 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0234da8cdb9a2c3c5c10a76d147ba9cd027ddd81 [2020-12-02 21:37:31,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:37:31,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:37:31,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:37:31,266 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:37:31,269 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:37:31,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c [2020-12-02 21:37:31,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf776cdb/70c202f58cfd447c8e0697facde97d8b/FLAGe9cfd0009 [2020-12-02 21:37:32,090 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:37:32,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c [2020-12-02 21:37:32,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf776cdb/70c202f58cfd447c8e0697facde97d8b/FLAGe9cfd0009 [2020-12-02 21:37:32,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf776cdb/70c202f58cfd447c8e0697facde97d8b [2020-12-02 21:37:32,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:37:32,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:37:32,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:37:32,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:37:32,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:37:32,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:32,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d313f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32, skipping insertion in model container [2020-12-02 21:37:32,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:32,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:37:32,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:37:32,761 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-02 21:37:32,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:37:32,786 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:37:32,842 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1130a.c[4166,4179] [2020-12-02 21:37:32,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:37:32,877 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:37:32,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32 WrapperNode [2020-12-02 21:37:32,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:37:32,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:37:32,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:37:32,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:37:32,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:32,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:32,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:37:32,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:37:32,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:37:32,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:37:32,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:32,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:32,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:32,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:33,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:33,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:33,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (1/1) ... [2020-12-02 21:37:33,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:37:33,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:37:33,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:37:33,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:37:33,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-02 21:37:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 21:37:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 21:37:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 21:37:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:37:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-02 21:37:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 21:37:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:37:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:37:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 21:37:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:37:38,931 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:37:38,932 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-02 21:37:38,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:38 BoogieIcfgContainer [2020-12-02 21:37:38,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:37:38,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:37:38,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:37:38,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:37:38,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:37:32" (1/3) ... [2020-12-02 21:37:38,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da538e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:37:38, skipping insertion in model container [2020-12-02 21:37:38,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:32" (2/3) ... [2020-12-02 21:37:38,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da538e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:37:38, skipping insertion in model container [2020-12-02 21:37:38,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:38" (3/3) ... [2020-12-02 21:37:38,945 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2020-12-02 21:37:38,962 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:37:38,967 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:37:38,981 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:37:39,014 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:37:39,015 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:37:39,015 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:37:39,015 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:37:39,015 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:37:39,015 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:37:39,016 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:37:39,016 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:37:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-12-02 21:37:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 21:37:39,042 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:39,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:39,043 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:39,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:39,051 INFO L82 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2020-12-02 21:37:39,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:37:39,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008064266] [2020-12-02 21:37:39,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-02 21:37:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:40,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 21:37:40,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:37:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:37:40,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:37:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:37:40,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008064266] [2020-12-02 21:37:40,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:40,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 21:37:40,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489350399] [2020-12-02 21:37:40,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:37:40,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:37:40,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:37:40,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:37:40,177 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-12-02 21:37:40,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:40,202 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2020-12-02 21:37:40,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:37:40,204 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 21:37:40,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:40,215 INFO L225 Difference]: With dead ends: 119 [2020-12-02 21:37:40,215 INFO L226 Difference]: Without dead ends: 57 [2020-12-02 21:37:40,219 INFO L677 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 [2020-12-02 21:37:40,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-02 21:37:40,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-02 21:37:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-02 21:37:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2020-12-02 21:37:40,267 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2020-12-02 21:37:40,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:40,268 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2020-12-02 21:37:40,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:37:40,268 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2020-12-02 21:37:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 21:37:40,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:40,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:40,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 21:37:40,484 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:40,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:40,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2020-12-02 21:37:40,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:37:40,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156983178] [2020-12-02 21:37:40,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-02 21:37:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:41,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-02 21:37:41,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:37:42,136 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-02 21:37:42,279 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-02 21:37:42,326 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-02 21:37:42,328 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-02 21:37:42,370 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-02 21:37:42,415 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-02 21:37:42,419 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:37:42,754 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 21:37:42,756 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:42,767 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-12-02 21:37:42,768 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:73 [2020-12-02 21:37:43,109 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-02 21:37:43,171 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:37:43,199 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:37:43,358 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:43,358 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2020-12-02 21:37:43,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:37:43,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:37:43,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:37:43,395 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_1], 2=[v_arrayElimCell_2]} [2020-12-02 21:37:43,811 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:43,812 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2020-12-02 21:37:43,815 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:37:43,817 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:37:43,819 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:37:43,837 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_3], 2=[v_arrayElimCell_4]} [2020-12-02 21:37:44,026 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:37:44,069 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:37:44,227 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:44,228 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2020-12-02 21:37:44,231 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:37:44,233 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:37:44,234 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:37:44,253 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_6], 2=[v_arrayElimCell_5]} [2020-12-02 21:37:44,629 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-02 21:37:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:37:44,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:37:45,283 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-02 21:37:46,268 WARN L197 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-02 21:37:46,639 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-02 21:37:46,795 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:46,796 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 40 [2020-12-02 21:37:46,909 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:46,910 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2020-12-02 21:37:46,912 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:37:46,914 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-02 21:37:46,915 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-02 21:37:46,933 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_8], 2=[v_arrayElimCell_7]} [2020-12-02 21:37:47,651 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-02 21:37:47,666 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-02 21:37:47,700 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:37:47,703 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-02 21:37:47,713 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:37:47,717 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-02 21:37:47,728 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:37:47,731 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-02 21:37:47,741 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:37:47,743 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-02 21:37:47,894 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:47,894 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 40 [2020-12-02 21:37:48,054 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:48,055 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2020-12-02 21:37:48,057 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:37:48,058 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-02 21:37:48,059 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-02 21:37:48,078 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_10], 2=[v_arrayElimCell_9]} [2020-12-02 21:37:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:37:48,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156983178] [2020-12-02 21:37:48,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:48,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-12-02 21:37:48,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522840066] [2020-12-02 21:37:48,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-02 21:37:48,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:37:48,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-02 21:37:48,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=99, Unknown=6, NotChecked=0, Total=132 [2020-12-02 21:37:48,556 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand 12 states. [2020-12-02 21:37:48,982 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 21:37:49,634 WARN L197 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2020-12-02 21:37:50,296 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2020-12-02 21:37:51,026 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 90 [2020-12-02 21:37:53,289 WARN L197 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-02 21:37:54,621 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 17 [2020-12-02 21:37:57,892 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 21:38:03,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:38:03,208 INFO L93 Difference]: Finished difference Result 179 states and 252 transitions. [2020-12-02 21:38:03,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-02 21:38:03,209 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-12-02 21:38:03,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:38:03,217 INFO L225 Difference]: With dead ends: 179 [2020-12-02 21:38:03,218 INFO L226 Difference]: Without dead ends: 134 [2020-12-02 21:38:03,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=104, Invalid=264, Unknown=12, NotChecked=0, Total=380 [2020-12-02 21:38:03,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-12-02 21:38:03,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 55. [2020-12-02 21:38:03,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-02 21:38:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2020-12-02 21:38:03,234 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 13 [2020-12-02 21:38:03,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:38:03,235 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2020-12-02 21:38:03,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-02 21:38:03,235 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-12-02 21:38:03,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 21:38:03,236 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:38:03,236 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:38:03,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 21:38:03,438 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:38:03,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:38:03,439 INFO L82 PathProgramCache]: Analyzing trace with hash 734189607, now seen corresponding path program 1 times [2020-12-02 21:38:03,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:38:03,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374503114] [2020-12-02 21:38:03,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-02 21:38:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:38:03,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-02 21:38:03,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:38:03,910 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 1 [2020-12-02 21:38:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:38:03,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:38:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:38:04,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374503114] [2020-12-02 21:38:04,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:38:04,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-12-02 21:38:04,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197001281] [2020-12-02 21:38:04,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 21:38:04,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:38:04,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 21:38:04,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-02 21:38:04,283 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 9 states. [2020-12-02 21:38:07,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:38:07,235 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2020-12-02 21:38:07,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 21:38:07,236 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-12-02 21:38:07,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:38:07,237 INFO L225 Difference]: With dead ends: 76 [2020-12-02 21:38:07,237 INFO L226 Difference]: Without dead ends: 73 [2020-12-02 21:38:07,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-02 21:38:07,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-02 21:38:07,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2020-12-02 21:38:07,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-02 21:38:07,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-12-02 21:38:07,250 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 15 [2020-12-02 21:38:07,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:38:07,250 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-12-02 21:38:07,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 21:38:07,251 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-12-02 21:38:07,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 21:38:07,252 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:38:07,252 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:38:07,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 21:38:07,467 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:38:07,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:38:07,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1151454894, now seen corresponding path program 1 times [2020-12-02 21:38:07,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:38:07,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538663197] [2020-12-02 21:38:07,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-02 21:38:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:38:07,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-02 21:38:07,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:38:07,808 INFO L382 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 15 treesize of output 13 [2020-12-02 21:38:07,834 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:38:07,857 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:38:07,858 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:38:07,949 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:38:07,950 INFO L547 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. [2020-12-02 21:38:07,951 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2020-12-02 21:38:08,442 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-02 21:38:08,695 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-02 21:38:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:38:08,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:38:09,783 INFO L382 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 19 treesize of output 17 [2020-12-02 21:38:09,809 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:38:09,826 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:38:09,826 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:38:09,907 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:38:09,909 INFO L547 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. [2020-12-02 21:38:09,909 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:41, output treesize:30 [2020-12-02 21:38:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:38:10,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538663197] [2020-12-02 21:38:10,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:38:10,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-12-02 21:38:10,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199276253] [2020-12-02 21:38:10,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 21:38:10,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:38:10,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 21:38:10,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-12-02 21:38:10,580 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 14 states. [2020-12-02 21:38:11,460 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-02 21:38:11,717 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-02 21:38:11,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:38:11,833 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2020-12-02 21:38:11,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 21:38:11,835 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2020-12-02 21:38:11,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:38:11,836 INFO L225 Difference]: With dead ends: 64 [2020-12-02 21:38:11,836 INFO L226 Difference]: Without dead ends: 20 [2020-12-02 21:38:11,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-12-02 21:38:11,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-02 21:38:11,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-12-02 21:38:11,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-02 21:38:11,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2020-12-02 21:38:11,842 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2020-12-02 21:38:11,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:38:11,842 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2020-12-02 21:38:11,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 21:38:11,843 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2020-12-02 21:38:11,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-02 21:38:11,844 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:38:11,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:38:12,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 21:38:12,048 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:38:12,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:38:12,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1071102724, now seen corresponding path program 1 times [2020-12-02 21:38:12,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:38:12,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [862327490] [2020-12-02 21:38:12,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-02 21:38:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:38:12,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-02 21:38:12,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:38:12,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:38:13,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:38:13,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:38:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:38:14,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [862327490] [2020-12-02 21:38:14,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:38:14,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-12-02 21:38:14,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641571255] [2020-12-02 21:38:14,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-02 21:38:14,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:38:14,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-02 21:38:14,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-12-02 21:38:14,452 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 16 states. [2020-12-02 21:38:15,443 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-02 21:38:15,681 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-02 21:38:15,887 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 21:38:15,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:38:15,907 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2020-12-02 21:38:15,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 21:38:15,908 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2020-12-02 21:38:15,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:38:15,909 INFO L225 Difference]: With dead ends: 20 [2020-12-02 21:38:15,909 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 21:38:15,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-12-02 21:38:15,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 21:38:15,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 21:38:15,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 21:38:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 21:38:15,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-12-02 21:38:15,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:38:15,912 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 21:38:15,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-02 21:38:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 21:38:15,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 21:38:16,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 21:38:16,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 21:38:16,430 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 21:38:16,701 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-02 21:38:16,931 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-02 21:38:17,273 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-02 21:38:17,295 INFO L262 CegarLoopResult]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2020-12-02 21:38:17,296 INFO L258 CegarLoopResult]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2020-12-02 21:38:17,296 INFO L262 CegarLoopResult]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2020-12-02 21:38:17,296 INFO L258 CegarLoopResult]: At program point L168-2(lines 168 172) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ULTIMATE.start_fmod_double_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))))) |ULTIMATE.start_main_#t~short21| (exists ((v_ULTIMATE.start_fmod_double_~hy~0_31 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_31))) (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53)) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-02 21:38:17,296 INFO L262 CegarLoopResult]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2020-12-02 21:38:17,296 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 21:38:17,296 INFO L262 CegarLoopResult]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2020-12-02 21:38:17,297 INFO L262 CegarLoopResult]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2020-12-02 21:38:17,297 INFO L258 CegarLoopResult]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2020-12-02 21:38:17,297 INFO L262 CegarLoopResult]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2020-12-02 21:38:17,297 INFO L262 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2020-12-02 21:38:17,297 INFO L262 CegarLoopResult]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2020-12-02 21:38:17,297 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2020-12-02 21:38:17,297 INFO L258 CegarLoopResult]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2020-12-02 21:38:17,297 INFO L262 CegarLoopResult]: For program point L187(lines 187 196) no Hoare annotation was computed. [2020-12-02 21:38:17,297 INFO L262 CegarLoopResult]: For program point L154(lines 154 159) no Hoare annotation was computed. [2020-12-02 21:38:17,298 INFO L262 CegarLoopResult]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2020-12-02 21:38:17,298 INFO L262 CegarLoopResult]: For program point L187-2(lines 187 196) no Hoare annotation was computed. [2020-12-02 21:38:17,299 INFO L262 CegarLoopResult]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2020-12-02 21:38:17,299 INFO L262 CegarLoopResult]: For program point L55(lines 25 163) no Hoare annotation was computed. [2020-12-02 21:38:17,299 INFO L262 CegarLoopResult]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2020-12-02 21:38:17,299 INFO L262 CegarLoopResult]: For program point L56(lines 56 62) no Hoare annotation was computed. [2020-12-02 21:38:17,300 INFO L262 CegarLoopResult]: For program point L106(lines 106 107) no Hoare annotation was computed. [2020-12-02 21:38:17,300 INFO L262 CegarLoopResult]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2020-12-02 21:38:17,300 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2020-12-02 21:38:17,300 INFO L258 CegarLoopResult]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2020-12-02 21:38:17,300 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 21:38:17,300 INFO L258 CegarLoopResult]: At program point L174(lines 165 175) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) ULTIMATE.start___signbit_double_~msw~0))) (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ULTIMATE.start_fmod_double_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))))) |ULTIMATE.start_main_#t~short21| (exists ((v_ULTIMATE.start_fmod_double_~hy~0_31 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_31))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53)) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-02 21:38:17,300 INFO L258 CegarLoopResult]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2020-12-02 21:38:17,301 INFO L262 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-12-02 21:38:17,301 INFO L262 CegarLoopResult]: For program point L192-2(lines 192 195) no Hoare annotation was computed. [2020-12-02 21:38:17,301 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-02 21:38:17,301 INFO L262 CegarLoopResult]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2020-12-02 21:38:17,301 INFO L262 CegarLoopResult]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2020-12-02 21:38:17,301 INFO L258 CegarLoopResult]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2020-12-02 21:38:17,301 INFO L262 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-12-02 21:38:17,301 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 21:38:17,301 INFO L262 CegarLoopResult]: For program point L144(lines 144 153) no Hoare annotation was computed. [2020-12-02 21:38:17,301 INFO L262 CegarLoopResult]: For program point L45(lines 45 47) no Hoare annotation was computed. [2020-12-02 21:38:17,302 INFO L262 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2020-12-02 21:38:17,302 INFO L258 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (or (fp.gt ULTIMATE.start_fmod_double_~y (_ +zero 11 53)) (fp.lt ULTIMATE.start_fmod_double_~y (_ +zero 11 53))) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-02 21:38:17,302 INFO L262 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2020-12-02 21:38:17,304 INFO L258 CegarLoopResult]: At program point L162(lines 25 163) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~x (_ +zero 11 53)) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ULTIMATE.start_fmod_double_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))))) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_31 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_31))) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-02 21:38:17,304 INFO L258 CegarLoopResult]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2020-12-02 21:38:17,304 INFO L262 CegarLoopResult]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2020-12-02 21:38:17,306 INFO L262 CegarLoopResult]: For program point L147(lines 147 153) no Hoare annotation was computed. [2020-12-02 21:38:17,306 INFO L262 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-12-02 21:38:17,306 INFO L262 CegarLoopResult]: For program point L48(lines 48 53) no Hoare annotation was computed. [2020-12-02 21:38:17,307 INFO L262 CegarLoopResult]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2020-12-02 21:38:17,307 INFO L262 CegarLoopResult]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2020-12-02 21:38:17,307 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 21:38:17,307 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-12-02 21:38:17,307 INFO L262 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-12-02 21:38:17,307 INFO L265 CegarLoopResult]: At program point L198(lines 177 199) the Hoare annotation is: true [2020-12-02 21:38:17,307 INFO L262 CegarLoopResult]: For program point L66(lines 25 163) no Hoare annotation was computed. [2020-12-02 21:38:17,307 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-12-02 21:38:17,308 INFO L262 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-12-02 21:38:17,308 INFO L262 CegarLoopResult]: For program point L134(lines 134 161) no Hoare annotation was computed. [2020-12-02 21:38:17,308 INFO L262 CegarLoopResult]: For program point L35(lines 35 40) no Hoare annotation was computed. [2020-12-02 21:38:17,308 INFO L262 CegarLoopResult]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2020-12-02 21:38:17,308 INFO L262 CegarLoopResult]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2020-12-02 21:38:17,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2020-12-02 21:38:17,347 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,348 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,349 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,349 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,349 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2020-12-02 21:38:17,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2020-12-02 21:38:17,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2020-12-02 21:38:17,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2020-12-02 21:38:17,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2020-12-02 21:38:17,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:38:17 BoogieIcfgContainer [2020-12-02 21:38:17,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 21:38:17,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 21:38:17,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 21:38:17,380 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 21:38:17,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:38" (3/4) ... [2020-12-02 21:38:17,385 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 21:38:17,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-02 21:38:17,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-02 21:38:17,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 21:38:17,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 21:38:17,460 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 21:38:17,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 21:38:17,462 INFO L168 Benchmark]: Toolchain (without parser) took 45025.07 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 18.8 MB in the beginning and 29.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:38:17,462 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:38:17,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.51 ms. Allocated memory is still 41.9 MB. Free memory was 18.5 MB in the beginning and 15.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 21:38:17,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.42 ms. Allocated memory is still 41.9 MB. Free memory was 15.5 MB in the beginning and 13.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:38:17,465 INFO L168 Benchmark]: Boogie Preprocessor took 79.52 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 13.3 MB in the beginning and 36.7 MB in the end (delta: -23.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-02 21:38:17,466 INFO L168 Benchmark]: RCFGBuilder took 5900.02 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 31.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-12-02 21:38:17,467 INFO L168 Benchmark]: TraceAbstraction took 38443.07 ms. Allocated memory is still 54.5 MB. Free memory was 31.0 MB in the beginning and 32.0 MB in the end (delta: -1.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:38:17,467 INFO L168 Benchmark]: Witness Printer took 80.31 ms. Allocated memory is still 54.5 MB. Free memory was 31.6 MB in the beginning and 29.0 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:38:17,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 437.51 ms. Allocated memory is still 41.9 MB. Free memory was 18.5 MB in the beginning and 15.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.42 ms. Allocated memory is still 41.9 MB. Free memory was 15.5 MB in the beginning and 13.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.52 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 13.3 MB in the beginning and 36.7 MB in the end (delta: -23.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5900.02 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 31.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 38443.07 ms. Allocated memory is still 54.5 MB. Free memory was 31.0 MB in the beginning and 32.0 MB in the end (delta: -1.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Witness Printer took 80.31 ms. Allocated memory is still 54.5 MB. Free memory was 31.6 MB in the beginning and 29.0 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant [2020-12-02 21:38:17,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2020-12-02 21:38:17,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,495 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] Derived loop invariant: (((((((\result == ~Pluszero~LONGDOUBLE() && x == ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvor32(hy, ly))) && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && lx == v_skolemized_q#valueAsBitvector_11[31:0]) && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32])))) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && x == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2020-12-02 21:38:17,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2020-12-02 21:38:17,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] Derived loop invariant: ((((\result == ~Pluszero~LONGDOUBLE() && x == ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvor32(hy, ly))) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && lx == v_skolemized_q#valueAsBitvector_11[31:0]) && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32])))) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 165]: Loop Invariant [2020-12-02 21:38:17,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,502 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,502 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,502 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,502 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2020-12-02 21:38:17,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2020-12-02 21:38:17,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-12-02 21:38:17,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] Derived loop invariant: ((((((((((\exists v_skolemized_q#valueAsBitvector_12 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && v_skolemized_q#valueAsBitvector_12[63:32] == msw) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvor32(hy, ly))) && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && lx == v_skolemized_q#valueAsBitvector_11[31:0]) && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32])))) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && \result == 0bv32) && x == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 20.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 239 SDtfs, 881 SDslu, 565 SDs, 0 SdLazy, 330 SolverSat, 59 SolverUnsat, 94 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 93 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 5 MinimizatonAttempts, 95 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 192 HoareAnnotationTreeSize, 12 FomulaSimplifications, 1905 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 37 QuantifiedInterpolants, 24861 SizeOfPredicates, 42 NumberOfNonLiveVariables, 360 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...