./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97ac2503801a101f5a44ae44e4a77e81fa872959 ...................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97ac2503801a101f5a44ae44e4a77e81fa872959 ................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:39:16,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:39:16,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:39:16,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:39:16,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:39:16,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:39:16,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:39:16,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:39:16,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:39:16,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:39:16,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:39:16,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:39:16,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:39:16,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:39:16,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:39:16,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:39:16,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:39:16,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:39:16,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:39:16,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:39:16,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:39:16,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:39:16,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:39:16,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:39:16,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:39:16,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:39:16,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:39:16,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:39:16,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:39:16,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:39:16,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:39:16,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:39:16,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:39:16,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:39:16,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:39:16,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:39:16,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:39:16,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:39:16,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:39:16,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:39:16,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:39:16,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:39:16,703 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:39:16,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:39:16,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:39:16,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:39:16,715 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:39:16,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:39:16,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:39:16,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:39:16,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:39:16,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:39:16,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:39:16,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:39:16,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:39:16,717 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:39:16,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:39:16,717 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:39:16,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:39:16,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:39:16,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:39:16,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:39:16,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:39:16,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:39:16,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:39:16,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:39:16,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:39:16,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:39:16,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:39:16,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:39:16,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97ac2503801a101f5a44ae44e4a77e81fa872959 [2019-11-15 23:39:16,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:39:16,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:39:16,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:39:16,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:39:16,769 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:39:16,769 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-15 23:39:16,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/data/8e2ec2d97/a294dad8c6b94a77badb2fd7d45346d9/FLAGf3e546f1d [2019-11-15 23:39:17,246 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:39:17,249 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-15 23:39:17,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/data/8e2ec2d97/a294dad8c6b94a77badb2fd7d45346d9/FLAGf3e546f1d [2019-11-15 23:39:17,268 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/data/8e2ec2d97/a294dad8c6b94a77badb2fd7d45346d9 [2019-11-15 23:39:17,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:39:17,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:39:17,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:39:17,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:39:17,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:39:17,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bcf70e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17, skipping insertion in model container [2019-11-15 23:39:17,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,291 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:39:17,312 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:39:17,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:39:17,526 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:39:17,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:39:17,567 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:39:17,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17 WrapperNode [2019-11-15 23:39:17,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:39:17,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:39:17,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:39:17,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:39:17,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:39:17,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:39:17,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:39:17,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:39:17,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (1/1) ... [2019-11-15 23:39:17,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:39:17,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:39:17,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:39:17,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:39:17,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:39:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:39:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 23:39:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:39:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 23:39:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:39:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:39:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:39:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:39:17,944 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:39:17,944 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 23:39:17,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:39:17 BoogieIcfgContainer [2019-11-15 23:39:17,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:39:17,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:39:17,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:39:17,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:39:17,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:39:17" (1/3) ... [2019-11-15 23:39:17,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25947019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:39:17, skipping insertion in model container [2019-11-15 23:39:17,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:17" (2/3) ... [2019-11-15 23:39:17,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25947019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:39:17, skipping insertion in model container [2019-11-15 23:39:17,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:39:17" (3/3) ... [2019-11-15 23:39:17,952 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-15 23:39:17,963 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:39:17,971 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:39:17,978 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:39:17,998 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:39:17,999 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:39:17,999 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:39:17,999 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:39:17,999 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:39:17,999 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:39:17,999 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:39:18,000 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:39:18,012 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-15 23:39:18,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 23:39:18,017 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:39:18,018 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:39:18,020 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:39:18,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:39:18,025 INFO L82 PathProgramCache]: Analyzing trace with hash -2137295023, now seen corresponding path program 1 times [2019-11-15 23:39:18,031 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:39:18,032 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862972414] [2019-11-15 23:39:18,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:39:18,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:39:18,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:39:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:39:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:39:18,155 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:39:18,156 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 23:39:18,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:39:18 BoogieIcfgContainer [2019-11-15 23:39:18,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:39:18,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:39:18,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:39:18,182 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:39:18,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:39:17" (3/4) ... [2019-11-15 23:39:18,185 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:39:18,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:39:18,187 INFO L168 Benchmark]: Toolchain (without parser) took 914.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:39:18,188 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:39:18,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:39:18,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:39:18,190 INFO L168 Benchmark]: Boogie Preprocessor took 22.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:39:18,191 INFO L168 Benchmark]: RCFGBuilder took 320.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:39:18,192 INFO L168 Benchmark]: TraceAbstraction took 235.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:39:18,192 INFO L168 Benchmark]: Witness Printer took 3.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:39:18,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 320.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 235.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 54]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryArithmeticDOUBLEoperation at line 32. Possible FailurePath: [L1] int __return_main; [L12] float __return_72; [L13] int __return_87; VAL [__return_72=0, __return_87=0, __return_main=0] [L16] float main__a; [L17] float main__r; [L18] main__a = __VERIFIER_nondet_float() [L19] int main____CPAchecker_TMP_0; VAL [__return_72=0, __return_87=0, __return_main=0] [L20] COND TRUE main__a >= 0.10000000149011612 VAL [__return_72=0, __return_87=0, __return_main=0] [L22] COND TRUE main__a <= 100.0 [L24] main____CPAchecker_TMP_0 = 1 VAL [__return_72=0, __return_87=0, __return_main=0] [L25] COND TRUE main____CPAchecker_TMP_0 != 0 [L28] float __tmp_1; [L29] __tmp_1 = main__a [L30] float InvSqrt__x; [L31] InvSqrt__x = __tmp_1 [L32] float InvSqrt__xhalf = 0.5 * InvSqrt__x; [L33] union float_int InvSqrt__i; [L34] InvSqrt__i.f = InvSqrt__x [L35] EXPR InvSqrt__i.i [L35] InvSqrt__i.i = 1597463007 - ((InvSqrt__i.i) >> 1) [L36] EXPR InvSqrt__i.f [L36] InvSqrt__x = InvSqrt__i.f [L37] InvSqrt__x = InvSqrt__x * (1.5 - ((InvSqrt__xhalf * InvSqrt__x) * InvSqrt__x)) [L38] __return_72 = InvSqrt__x [L39] main__r = __return_72 [L40] int main____CPAchecker_TMP_1; VAL [__return_72=6, __return_87=0, __return_main=0] [L41] COND FALSE !(main__r >= 0.0) VAL [__return_72=6, __return_87=0, __return_main=0] [L67] main____CPAchecker_TMP_1 = 0 VAL [__return_72=6, __return_87=0, __return_main=0] [L48] int __tmp_2; [L49] __tmp_2 = main____CPAchecker_TMP_1 [L50] int __VERIFIER_assert__cond; [L51] __VERIFIER_assert__cond = __tmp_2 VAL [__return_72=6, __return_87=0, __return_main=0] [L52] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_72=6, __return_87=0, __return_main=0] [L54] __VERIFIER_error() VAL [__return_72=6, __return_87=0, __return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 23:39:20,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:39:20,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:39:20,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:39:20,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:39:20,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:39:20,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:39:20,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:39:20,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:39:20,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:39:20,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:39:20,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:39:20,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:39:20,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:39:20,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:39:20,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:39:20,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:39:20,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:39:20,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:39:20,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:39:20,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:39:20,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:39:20,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:39:20,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:39:20,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:39:20,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:39:20,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:39:20,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:39:20,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:39:20,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:39:20,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:39:20,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:39:20,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:39:20,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:39:20,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:39:20,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:39:20,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:39:20,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:39:20,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:39:20,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:39:20,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:39:20,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 23:39:20,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:39:20,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:39:20,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:39:20,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:39:20,412 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:39:20,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:39:20,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:39:20,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:39:20,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:39:20,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:39:20,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:39:20,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:39:20,413 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 23:39:20,414 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 23:39:20,414 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:39:20,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:39:20,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:39:20,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:39:20,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:39:20,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:39:20,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:39:20,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:39:20,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:39:20,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:39:20,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:39:20,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:39:20,416 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 23:39:20,416 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 23:39:20,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:39:20,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 23:39:20,417 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97ac2503801a101f5a44ae44e4a77e81fa872959 [2019-11-15 23:39:20,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:39:20,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:39:20,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:39:20,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:39:20,461 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:39:20,461 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-15 23:39:20,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/data/fe1b398fe/9e2db59cf48745e38d81973576bd11b8/FLAG4bea87c49 [2019-11-15 23:39:20,918 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:39:20,919 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-15 23:39:20,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/data/fe1b398fe/9e2db59cf48745e38d81973576bd11b8/FLAG4bea87c49 [2019-11-15 23:39:20,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/data/fe1b398fe/9e2db59cf48745e38d81973576bd11b8 [2019-11-15 23:39:20,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:39:20,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:39:20,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:39:20,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:39:20,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:39:20,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:39:20" (1/1) ... [2019-11-15 23:39:20,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6206efa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:20, skipping insertion in model container [2019-11-15 23:39:20,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:39:20" (1/1) ... [2019-11-15 23:39:20,952 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:39:20,969 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:39:21,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:39:21,126 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:39:21,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:39:21,230 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:39:21,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21 WrapperNode [2019-11-15 23:39:21,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:39:21,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:39:21,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:39:21,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:39:21,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (1/1) ... [2019-11-15 23:39:21,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (1/1) ... [2019-11-15 23:39:21,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:39:21,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:39:21,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:39:21,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:39:21,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (1/1) ... [2019-11-15 23:39:21,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (1/1) ... [2019-11-15 23:39:21,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (1/1) ... [2019-11-15 23:39:21,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (1/1) ... [2019-11-15 23:39:21,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (1/1) ... [2019-11-15 23:39:21,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (1/1) ... [2019-11-15 23:39:21,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (1/1) ... [2019-11-15 23:39:21,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:39:21,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:39:21,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:39:21,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:39:21,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:39:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:39:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-15 23:39:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 23:39:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:39:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:39:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-15 23:39:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:39:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 23:39:24,009 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:39:24,009 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 23:39:24,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:39:24 BoogieIcfgContainer [2019-11-15 23:39:24,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:39:24,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:39:24,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:39:24,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:39:24,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:39:20" (1/3) ... [2019-11-15 23:39:24,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e55fa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:39:24, skipping insertion in model container [2019-11-15 23:39:24,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:39:21" (2/3) ... [2019-11-15 23:39:24,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e55fa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:39:24, skipping insertion in model container [2019-11-15 23:39:24,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:39:24" (3/3) ... [2019-11-15 23:39:24,017 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2019-11-15 23:39:24,025 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:39:24,032 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:39:24,041 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:39:24,061 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:39:24,061 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:39:24,061 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:39:24,061 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:39:24,062 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:39:24,062 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:39:24,062 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:39:24,062 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:39:24,071 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-15 23:39:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 23:39:24,077 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:39:24,078 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:39:24,080 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:39:24,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:39:24,085 INFO L82 PathProgramCache]: Analyzing trace with hash -2137295023, now seen corresponding path program 1 times [2019-11-15 23:39:24,093 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:39:24,093 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154105040] [2019-11-15 23:39:24,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1302177c-215d-456a-993c-052056644149/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-15 23:39:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:39:25,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 23:39:25,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:39:26,283 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-11-15 23:39:28,403 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (= c_ULTIMATE.start_main_~main__r~0 ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from false [2019-11-15 23:39:30,495 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (= c_ULTIMATE.start_main_~main__r~0 ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from true [2019-11-15 23:39:36,820 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from false [2019-11-15 23:39:38,913 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from true [2019-11-15 23:39:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:39:51,634 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:39:52,355 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2019-11-15 23:39:56,026 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (or (not (= c_ULTIMATE.start_main_~main__a~0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse1 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) .cse0) .cse0))))))) (_ +zero 11 53)))) is different from true [2019-11-15 23:39:58,607 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (or (not (= c_ULTIMATE.start_main_~main__a~0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse1 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) .cse0) .cse0))))))) (_ +zero 11 53)))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0) ((_ to_fp 11 53) roundNearestTiesToEven 100.0)))) is different from false [2019-11-15 23:40:00,724 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (or (not (= c_ULTIMATE.start_main_~main__a~0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse1 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) .cse0) .cse0))))))) (_ +zero 11 53)))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0) ((_ to_fp 11 53) roundNearestTiesToEven 100.0)))) is different from true [2019-11-15 23:40:07,086 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (or (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53)) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))) (not (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))))))) is different from false [2019-11-15 23:40:09,218 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|))))) (or (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53)) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))) (not (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))))))) is different from true [2019-11-15 23:40:13,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:40:13,449 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154105040] [2019-11-15 23:40:13,450 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:40:13,450 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2019-11-15 23:40:13,450 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218445212] [2019-11-15 23:40:13,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 23:40:13,454 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:40:13,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 23:40:13,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=13, Unknown=9, NotChecked=50, Total=90 [2019-11-15 23:40:13,470 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 10 states. [2019-11-15 23:40:15,659 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) (and (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (or (forall ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 32))) (or (not (= c_ULTIMATE.start_main_~main__a~0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_3|)))) (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_3| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse1) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~main__a~0))) .cse1) .cse1))))))) (_ +zero 11 53)))) (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)))))) is different from true [2019-11-15 23:40:21,887 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-11-15 23:40:21,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:40:22,089 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 23:40:22,090 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:829) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:668) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:454) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 44 more [2019-11-15 23:40:22,094 INFO L168 Benchmark]: Toolchain (without parser) took 61155.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:40:22,095 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:40:22,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -213.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:40:22,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:40:22,096 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:40:22,097 INFO L168 Benchmark]: RCFGBuilder took 2703.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:40:22,098 INFO L168 Benchmark]: TraceAbstraction took 58081.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:40:22,101 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -213.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2703.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 58081.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...