./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_set.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_set.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:45:14,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:45:14,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:45:14,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:45:14,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:45:14,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:45:14,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:45:14,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:45:14,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:45:14,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:45:14,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:45:14,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:45:14,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:45:14,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:45:14,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:45:14,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:45:14,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:45:14,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:45:14,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:45:14,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:45:14,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:45:14,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:45:14,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:45:14,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:45:14,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:45:14,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:45:14,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:45:14,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:45:14,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:45:14,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:45:14,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:45:14,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:45:14,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:45:14,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:45:14,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:45:14,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:45:14,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:45:14,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:45:14,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:45:14,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:45:14,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:45:14,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:45:14,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:45:14,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:45:14,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:45:14,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:45:14,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:45:14,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:45:14,663 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:45:14,663 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:45:14,664 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:45:14,664 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:45:14,664 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:45:14,665 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:45:14,665 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:45:14,665 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:45:14,666 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:45:14,666 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:45:14,667 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:45:14,667 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:45:14,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:45:14,668 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:45:14,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:45:14,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:45:14,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:45:14,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:45:14,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:45:14,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:45:14,671 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:45:14,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:45:14,672 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:45:14,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:45:14,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:45:14,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:45:14,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:45:14,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:45:14,674 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:45:14,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:45:14,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:45:14,675 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:45:14,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:45:14,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:45:14,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:45:14,677 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1 [2022-11-19 06:45:15,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:45:15,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:45:15,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:45:15,069 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:45:15,071 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:45:15,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-benchs/filter2_set.c [2022-11-19 06:45:15,158 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/data/92ee8633a/d2dd227b21d749c7be744c85f5bef68b/FLAG0186481c0 [2022-11-19 06:45:15,860 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:45:15,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/sv-benchmarks/c/float-benchs/filter2_set.c [2022-11-19 06:45:15,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/data/92ee8633a/d2dd227b21d749c7be744c85f5bef68b/FLAG0186481c0 [2022-11-19 06:45:16,183 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/data/92ee8633a/d2dd227b21d749c7be744c85f5bef68b [2022-11-19 06:45:16,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:45:16,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:45:16,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:45:16,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:45:16,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:45:16,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a63b068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16, skipping insertion in model container [2022-11-19 06:45:16,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:45:16,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:45:16,506 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/sv-benchmarks/c/float-benchs/filter2_set.c[664,677] [2022-11-19 06:45:16,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:45:16,553 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:45:16,565 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/sv-benchmarks/c/float-benchs/filter2_set.c[664,677] [2022-11-19 06:45:16,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:45:16,594 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:45:16,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16 WrapperNode [2022-11-19 06:45:16,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:45:16,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:45:16,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:45:16,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:45:16,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,642 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-11-19 06:45:16,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:45:16,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:45:16,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:45:16,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:45:16,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:45:16,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:45:16,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:45:16,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:45:16,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (1/1) ... [2022-11-19 06:45:16,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:45:16,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:45:16,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:45:16,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:45:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:45:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:45:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:45:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:45:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:45:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:45:16,844 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:45:16,846 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:45:17,005 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:45:17,037 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:45:17,037 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 06:45:17,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:17 BoogieIcfgContainer [2022-11-19 06:45:17,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:45:17,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:45:17,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:45:17,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:45:17,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:45:16" (1/3) ... [2022-11-19 06:45:17,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd54541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:17, skipping insertion in model container [2022-11-19 06:45:17,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:16" (2/3) ... [2022-11-19 06:45:17,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd54541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:17, skipping insertion in model container [2022-11-19 06:45:17,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:17" (3/3) ... [2022-11-19 06:45:17,067 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_set.c [2022-11-19 06:45:17,111 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:45:17,112 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:45:17,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:45:17,235 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56a3d8ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:45:17,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:45:17,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:45:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 06:45:17,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:17,287 INFO L195 NwaCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:17,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:17,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:17,310 INFO L85 PathProgramCache]: Analyzing trace with hash -356154640, now seen corresponding path program 1 times [2022-11-19 06:45:17,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:17,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735169900] [2022-11-19 06:45:17,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:17,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 06:45:17,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 06:45:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 06:45:17,700 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 06:45:17,703 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 06:45:17,705 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 06:45:17,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:45:17,716 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 06:45:17,722 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:45:17,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:45:17 BoogieIcfgContainer [2022-11-19 06:45:17,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:45:17,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:45:17,778 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:45:17,778 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:45:17,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:17" (3/4) ... [2022-11-19 06:45:17,783 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 06:45:17,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:45:17,784 INFO L158 Benchmark]: Toolchain (without parser) took 1592.85ms. Allocated memory is still 104.9MB. Free memory was 75.7MB in the beginning and 47.8MB in the end (delta: 27.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-11-19 06:45:17,785 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:45:17,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.57ms. Allocated memory is still 104.9MB. Free memory was 75.3MB in the beginning and 80.9MB in the end (delta: -5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 06:45:17,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.04ms. Allocated memory is still 104.9MB. Free memory was 80.5MB in the beginning and 79.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:45:17,791 INFO L158 Benchmark]: Boogie Preprocessor took 35.04ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 78.0MB in the end (delta: 921.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:45:17,796 INFO L158 Benchmark]: RCFGBuilder took 358.12ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 66.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:45:17,797 INFO L158 Benchmark]: TraceAbstraction took 728.23ms. Allocated memory is still 104.9MB. Free memory was 65.4MB in the beginning and 48.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 06:45:17,798 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 104.9MB. Free memory was 48.2MB in the beginning and 47.8MB in the end (delta: 389.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:45:17,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.57ms. Allocated memory is still 104.9MB. Free memory was 75.3MB in the beginning and 80.9MB in the end (delta: -5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.04ms. Allocated memory is still 104.9MB. Free memory was 80.5MB in the beginning and 79.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.04ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 78.0MB in the end (delta: 921.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.12ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 66.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 728.23ms. Allocated memory is still 104.9MB. Free memory was 65.4MB in the beginning and 48.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 104.9MB. Free memory was 48.2MB in the beginning and 47.8MB in the end (delta: 389.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 17]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of to_real at line 43, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L22] double E, E0, E1, S0, S1, S; [L23] double A1, A2, A3, B1, B2; [L24] int i; [L26] A1 = __VERIFIER_nondet_double() [L27] A2 = __VERIFIER_nondet_double() [L28] A3 = __VERIFIER_nondet_double() [L29] B1 = __VERIFIER_nondet_double() [L30] B2 = __VERIFIER_nondet_double() [L31] CALL assume_abort_if_not(A1 >= 0.69 && A1 <= 0.71) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L31] RET assume_abort_if_not(A1 >= 0.69 && A1 <= 0.71) [L32] CALL assume_abort_if_not(A2 >= -1.31 && A2 <= -1.29) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L32] RET assume_abort_if_not(A2 >= -1.31 && A2 <= -1.29) [L33] CALL assume_abort_if_not(A3 >= 1.09 && A3 <= 1.11) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L33] RET assume_abort_if_not(A3 >= 1.09 && A3 <= 1.11) [L34] CALL assume_abort_if_not(B1 >= 1.39 && B1 <= 1.41) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L34] RET assume_abort_if_not(B1 >= 1.39 && B1 <= 1.41) [L35] CALL assume_abort_if_not(B2 >= -0.71 && B2 <= -0.69) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L35] RET assume_abort_if_not(B2 >= -0.71 && B2 <= -0.69) [L38] E = __VERIFIER_nondet_double() [L39] E0 = __VERIFIER_nondet_double() [L40] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L40] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E=56, E=57] [L41] CALL assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L41] RET assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [E=56, E=57] [L43] S0 = 0 [L44] S = 0 [L46] i = 0 VAL [E=57, E=56, i=0] [L46] COND TRUE i <= 1000000 [L47] E1 = E0 [L48] E0 = E [L50] E = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L51] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E=56, E=57, E=55, i=0] [L53] S1 = S0 [L54] S0 = S [L55] S = A1*E - E0*A2 + E1*A3 + S0*B1 + S1*B2 [L57] CALL __VERIFIER_assert(S >= -100. && S <= 100.) [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L17] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 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, 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 [2022-11-19 06:45:17,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_set.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:45:20,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:45:20,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:45:20,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:45:20,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:45:20,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:45:20,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:45:20,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:45:20,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:45:20,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:45:20,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:45:20,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:45:20,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:45:20,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:45:20,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:45:20,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:45:20,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:45:20,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:45:20,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:45:20,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:45:20,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:45:20,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:45:20,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:45:20,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:45:20,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:45:20,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:45:20,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:45:20,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:45:20,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:45:20,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:45:20,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:45:20,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:45:20,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:45:20,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:45:20,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:45:20,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:45:20,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:45:20,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:45:20,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:45:20,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:45:20,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:45:20,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-19 06:45:20,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:45:20,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:45:20,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:45:20,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:45:20,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:45:20,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:45:20,706 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:45:20,706 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:45:20,706 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:45:20,707 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:45:20,708 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:45:20,708 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:45:20,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:45:20,711 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:45:20,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:45:20,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:45:20,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:45:20,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:45:20,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:45:20,712 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 06:45:20,712 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 06:45:20,713 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 06:45:20,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:45:20,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:45:20,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:45:20,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:45:20,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:45:20,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 06:45:20,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:45:20,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:45:20,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:45:20,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:45:20,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:45:20,716 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 06:45:20,716 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 06:45:20,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:45:20,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:45:20,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 06:45:20,718 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1 [2022-11-19 06:45:21,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:45:21,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:45:21,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:45:21,249 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:45:21,250 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:45:21,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-benchs/filter2_set.c [2022-11-19 06:45:21,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/data/405508b8e/10e2333b845c4516b90e80696f603544/FLAG2733ad9ba [2022-11-19 06:45:21,934 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:45:21,935 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/sv-benchmarks/c/float-benchs/filter2_set.c [2022-11-19 06:45:21,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/data/405508b8e/10e2333b845c4516b90e80696f603544/FLAG2733ad9ba [2022-11-19 06:45:22,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/data/405508b8e/10e2333b845c4516b90e80696f603544 [2022-11-19 06:45:22,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:45:22,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:45:22,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:45:22,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:45:22,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:45:22,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f04e974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22, skipping insertion in model container [2022-11-19 06:45:22,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:45:22,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:45:22,547 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/sv-benchmarks/c/float-benchs/filter2_set.c[664,677] [2022-11-19 06:45:22,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:45:22,684 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:45:22,703 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/sv-benchmarks/c/float-benchs/filter2_set.c[664,677] [2022-11-19 06:45:22,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:45:22,745 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:45:22,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22 WrapperNode [2022-11-19 06:45:22,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:45:22,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:45:22,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:45:22,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:45:22,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,813 INFO L138 Inliner]: procedures = 15, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-11-19 06:45:22,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:45:22,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:45:22,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:45:22,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:45:22,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,864 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:45:22,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:45:22,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:45:22,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:45:22,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (1/1) ... [2022-11-19 06:45:22,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:45:22,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:45:22,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:45:22,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:45:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:45:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 06:45:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:45:22,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:45:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:45:22,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:45:23,092 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:45:23,095 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:45:25,652 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:45:25,659 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:45:25,660 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 06:45:25,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:25 BoogieIcfgContainer [2022-11-19 06:45:25,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:45:25,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:45:25,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:45:25,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:45:25,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:45:22" (1/3) ... [2022-11-19 06:45:25,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37886493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:25, skipping insertion in model container [2022-11-19 06:45:25,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:22" (2/3) ... [2022-11-19 06:45:25,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37886493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:25, skipping insertion in model container [2022-11-19 06:45:25,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:25" (3/3) ... [2022-11-19 06:45:25,690 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_set.c [2022-11-19 06:45:25,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:45:25,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:45:25,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:45:25,785 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f829c83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:45:25,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:45:25,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:45:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-19 06:45:25,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:25,801 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:25,802 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:25,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:25,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1697849372, now seen corresponding path program 1 times [2022-11-19 06:45:25,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:45:25,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425670555] [2022-11-19 06:45:25,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:25,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:45:25,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:45:25,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:45:25,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 06:45:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:27,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 06:45:27,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:45:27,623 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-19 06:45:27,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:45:27,624 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:45:27,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425670555] [2022-11-19 06:45:27,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425670555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:27,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:27,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:45:27,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010943980] [2022-11-19 06:45:27,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:27,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:45:27,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:45:27,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:45:27,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:45:27,683 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:45:27,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:27,730 INFO L93 Difference]: Finished difference Result 51 states and 78 transitions. [2022-11-19 06:45:27,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:45:27,733 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2022-11-19 06:45:27,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:27,746 INFO L225 Difference]: With dead ends: 51 [2022-11-19 06:45:27,746 INFO L226 Difference]: Without dead ends: 23 [2022-11-19 06:45:27,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:45:27,766 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:27,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:45:27,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-19 06:45:27,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-19 06:45:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:45:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2022-11-19 06:45:27,823 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 48 [2022-11-19 06:45:27,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:27,824 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-11-19 06:45:27,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:45:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-19 06:45:27,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-19 06:45:27,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:27,837 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:27,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-19 06:45:28,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:45:28,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:28,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:28,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1417424168, now seen corresponding path program 1 times [2022-11-19 06:45:28,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:45:28,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369175236] [2022-11-19 06:45:28,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:28,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:45:28,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:45:28,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:45:28,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 06:45:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:36,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-19 06:45:36,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:56:05,142 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (/ 69.0 100.0))) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 71.0 100.0)))) (let ((.cse1 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 129.0 100.0)))) (.cse5 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 131.0 100.0)))) (.cse3 (fp.neg .cse0)) (.cse6 (fp.neg .cse7)) (.cse10 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse11 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 139.0 100.0))) (.cse8 ((_ to_fp 11 53) roundNearestTiesToEven (/ 141.0 100.0))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse9 ((_ to_fp 11 53) roundNearestTiesToEven (/ 109.0 100.0))) (.cse12 ((_ to_fp 11 53) roundNearestTiesToEven (/ 111.0 100.0)))) (or (and (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse0) (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse1) (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse2) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse3) (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse4) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse5) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse2) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse6) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse7) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse8) (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse9) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse2) (fp.leq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B2~0#1|)) .cse11) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (and (or (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse9) (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse2) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse4) (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse1) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse5) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse0) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B2~0#1|)) (fp.neg .cse11))) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse2))) (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse3) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse6))) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse2))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse7))))) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse8))))) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12))) (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse1) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse5) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse0) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse3) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse6) (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse2) (not (fp.leq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B2~0#1|)) .cse11)))))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse2))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse7))))) (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse4) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse8))) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse2))) (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse9) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)))))) is different from false [2022-11-19 06:56:40,417 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 11 53) roundNearestTiesToEven (/ 69.0 100.0))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 71.0 100.0)))) (let ((.cse3 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 129.0 100.0)))) (.cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 131.0 100.0)))) (.cse8 (fp.neg .cse5)) (.cse9 (fp.neg .cse10)) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 139.0 100.0))) (.cse11 ((_ to_fp 11 53) roundNearestTiesToEven (/ 141.0 100.0))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 109.0 100.0))) (.cse12 ((_ to_fp 11 53) roundNearestTiesToEven (/ 111.0 100.0)))) (or (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse0) (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse1) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse2) (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse3) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse4) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse5) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B2~0#1|)) (fp.neg .cse7))) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse8) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse9))) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse10))))) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse11))))) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12))) (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse3) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse4) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse5) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse8) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse9) (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse1) (not (fp.leq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B2~0#1|)) .cse7)))))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse10))))) (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse2) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse11))) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse0) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12)))))) is different from false [2022-11-19 06:56:42,529 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 11 53) roundNearestTiesToEven (/ 69.0 100.0))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 71.0 100.0)))) (let ((.cse3 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 129.0 100.0)))) (.cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 131.0 100.0)))) (.cse8 (fp.neg .cse5)) (.cse9 (fp.neg .cse10)) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 139.0 100.0))) (.cse11 ((_ to_fp 11 53) roundNearestTiesToEven (/ 141.0 100.0))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 109.0 100.0))) (.cse12 ((_ to_fp 11 53) roundNearestTiesToEven (/ 111.0 100.0)))) (or (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse0) (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse1) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse2) (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse3) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse4) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse5) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B2~0#1|)) (fp.neg .cse7))) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse8) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse9))) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse10))))) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse11))))) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12))) (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse3) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse4) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse5) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse8) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse9) (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse1) (not (fp.leq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B2~0#1|)) .cse7)))))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse10))))) (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse2) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse11))) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse0) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12)))))) is different from true [2022-11-19 06:56:42,530 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 06:56:42,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:56:42,531 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:56:42,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369175236] [2022-11-19 06:56:42,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369175236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:56:42,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:56:42,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-19 06:56:42,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677308666] [2022-11-19 06:56:42,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:56:42,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-19 06:56:42,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:56:42,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-19 06:56:42,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=130, Unknown=3, NotChecked=54, Total=272 [2022-11-19 06:56:42,536 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 17 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:56:47,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 06:56:47,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:56:47,949 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2022-11-19 06:56:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-19 06:56:48,179 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 48 [2022-11-19 06:56:48,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:56:48,180 INFO L225 Difference]: With dead ends: 33 [2022-11-19 06:56:48,181 INFO L226 Difference]: Without dead ends: 31 [2022-11-19 06:56:48,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 7 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=90, Invalid=155, Unknown=3, NotChecked=58, Total=306 [2022-11-19 06:56:48,183 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 12 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:56:48,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 58 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 109 Invalid, 1 Unknown, 45 Unchecked, 5.2s Time] [2022-11-19 06:56:48,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-19 06:56:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-19 06:56:48,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-19 06:56:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2022-11-19 06:56:48,199 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 48 [2022-11-19 06:56:48,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:56:48,200 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-11-19 06:56:48,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:56:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-11-19 06:56:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 06:56:48,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:56:48,203 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:56:48,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:56:48,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:56:48,418 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:56:48,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:56:48,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1357191508, now seen corresponding path program 1 times [2022-11-19 06:56:48,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:56:48,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589864577] [2022-11-19 06:56:48,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:56:48,420 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:56:48,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:56:48,422 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:56:48,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5befa2-66d2-4551-9228-74c492339858/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process