./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI --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 2c38013984df369dcb527283648f854c769b33d9bd7d0315c5de697ad787e937 --- 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-5e519f3 [2022-11-03 02:29:07,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:29:07,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:29:07,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:29:07,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:29:07,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:29:07,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:29:07,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:29:07,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:29:07,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:29:07,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:29:07,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:29:07,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:29:07,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:29:07,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:29:07,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:29:07,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:29:07,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:29:07,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:29:07,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:29:07,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:29:07,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:29:07,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:29:07,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:29:07,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:29:07,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:29:07,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:29:07,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:29:07,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:29:07,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:29:07,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:29:07,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:29:07,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:29:07,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:29:07,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:29:07,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:29:07,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:29:07,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:29:07,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:29:07,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:29:07,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:29:07,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:29:07,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:29:07,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:29:07,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:29:07,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:29:07,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:29:07,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:29:07,938 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:29:07,938 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:29:07,939 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:29:07,939 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:29:07,940 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:29:07,940 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:29:07,941 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:29:07,941 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:29:07,941 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:29:07,941 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:29:07,942 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:29:07,942 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:29:07,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:29:07,943 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:29:07,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:29:07,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:29:07,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:29:07,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:29:07,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:29:07,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:29:07,945 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:29:07,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:29:07,945 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:29:07,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:29:07,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:29:07,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:29:07,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:29:07,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:29:07,947 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:29:07,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:29:07,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:29:07,947 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:29:07,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:29:07,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:29:07,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:29:07,948 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_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c38013984df369dcb527283648f854c769b33d9bd7d0315c5de697ad787e937 [2022-11-03 02:29:08,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:29:08,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:29:08,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:29:08,235 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:29:08,236 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:29:08,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2022-11-03 02:29:08,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/data/724cc2c0c/266f8db76f4e454d9ff31f994122b32c/FLAG6205fda38 [2022-11-03 02:29:08,765 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:29:08,768 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2022-11-03 02:29:08,777 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/data/724cc2c0c/266f8db76f4e454d9ff31f994122b32c/FLAG6205fda38 [2022-11-03 02:29:09,279 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/data/724cc2c0c/266f8db76f4e454d9ff31f994122b32c [2022-11-03 02:29:09,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:29:09,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:29:09,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:29:09,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:29:09,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:29:09,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:29:09" (1/1) ... [2022-11-03 02:29:09,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c5b587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:09, skipping insertion in model container [2022-11-03 02:29:09,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:29:09" (1/1) ... [2022-11-03 02:29:09,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:29:09,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:29:09,617 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:798) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1785) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1440) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2032) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1643) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1074) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1620) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1074) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2354) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:29:09,622 INFO L158 Benchmark]: Toolchain (without parser) took 336.89ms. Allocated memory is still 113.2MB. Free memory was 76.1MB in the beginning and 86.7MB in the end (delta: -10.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-11-03 02:29:09,623 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:29:09,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.32ms. Allocated memory is still 113.2MB. Free memory was 76.1MB in the beginning and 86.7MB in the end (delta: -10.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-11-03 02:29:09,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.32ms. Allocated memory is still 113.2MB. Free memory was 76.1MB in the beginning and 86.7MB in the end (delta: -10.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:798) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI --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 2c38013984df369dcb527283648f854c769b33d9bd7d0315c5de697ad787e937 --- 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-5e519f3 [2022-11-03 02:29:11,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:29:11,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:29:11,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:29:11,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:29:11,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:29:11,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:29:11,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:29:11,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:29:11,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:29:11,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:29:11,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:29:11,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:29:11,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:29:11,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:29:11,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:29:11,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:29:11,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:29:11,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:29:11,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:29:11,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:29:11,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:29:11,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:29:11,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:29:11,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:29:11,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:29:11,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:29:11,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:29:11,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:29:11,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:29:11,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:29:11,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:29:11,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:29:11,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:29:11,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:29:11,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:29:11,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:29:11,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:29:11,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:29:11,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:29:11,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:29:11,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 02:29:11,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:29:11,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:29:11,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:29:11,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:29:11,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:29:11,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:29:11,972 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:29:11,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:29:11,973 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:29:11,973 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:29:11,973 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:29:11,973 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:29:11,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:29:11,974 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:29:11,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:29:11,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:29:11,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:29:11,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:29:11,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:29:11,976 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:29:11,976 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:29:11,976 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:29:11,976 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:29:11,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:29:11,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:29:11,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:29:11,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:29:11,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:29:11,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:29:11,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:29:11,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:29:11,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:29:11,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:29:11,982 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:29:11,982 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:29:11,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:29:11,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:29:11,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:29:11,984 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_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c38013984df369dcb527283648f854c769b33d9bd7d0315c5de697ad787e937 [2022-11-03 02:29:12,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:29:12,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:29:12,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:29:12,370 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:29:12,371 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:29:12,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2022-11-03 02:29:12,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/data/2ef2eca36/0dfb06d860df450cb456cbe154f145e7/FLAG6be2a3e82 [2022-11-03 02:29:12,980 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:29:12,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2022-11-03 02:29:12,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/data/2ef2eca36/0dfb06d860df450cb456cbe154f145e7/FLAG6be2a3e82 [2022-11-03 02:29:13,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/data/2ef2eca36/0dfb06d860df450cb456cbe154f145e7 [2022-11-03 02:29:13,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:29:13,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:29:13,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:29:13,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:29:13,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:29:13,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:13,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411a9394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13, skipping insertion in model container [2022-11-03 02:29:13,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:13,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:29:13,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:29:13,779 WARN L230 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_715de78c-8286-415d-ae2f-563c5eac44ed/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c[13947,13960] [2022-11-03 02:29:13,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:29:13,804 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:29:13,878 WARN L230 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_715de78c-8286-415d-ae2f-563c5eac44ed/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c[13947,13960] [2022-11-03 02:29:13,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:29:13,897 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:29:13,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13 WrapperNode [2022-11-03 02:29:13,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:29:13,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:29:13,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:29:13,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:29:13,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:13,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:13,971 INFO L138 Inliner]: procedures = 24, calls = 158, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 754 [2022-11-03 02:29:13,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:29:13,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:29:13,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:29:13,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:29:13,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:13,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:13,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:13,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:14,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:14,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:14,027 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:14,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:14,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:29:14,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:29:14,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:29:14,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:29:14,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (1/1) ... [2022-11-03 02:29:14,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:29:14,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:29:14,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:29:14,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:29:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:29:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-03 02:29:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-11-03 02:29:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-11-03 02:29:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-03 02:29:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 02:29:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:29:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-11-03 02:29:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 02:29:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:29:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:29:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 02:29:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:29:14,374 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:29:14,376 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:30:07,759 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:30:07,769 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:30:07,769 INFO L300 CfgBuilder]: Removed 58 assume(true) statements. [2022-11-03 02:30:07,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:30:07 BoogieIcfgContainer [2022-11-03 02:30:07,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:30:07,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:30:07,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:30:07,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:30:07,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:29:13" (1/3) ... [2022-11-03 02:30:07,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c479cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:30:07, skipping insertion in model container [2022-11-03 02:30:07,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:29:13" (2/3) ... [2022-11-03 02:30:07,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c479cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:30:07, skipping insertion in model container [2022-11-03 02:30:07,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:30:07" (3/3) ... [2022-11-03 02:30:07,784 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0873b.c [2022-11-03 02:30:07,804 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:30:07,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:30:07,901 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:30:07,907 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;@4502ef84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:30:07,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:30:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 202 states, 196 states have (on average 1.7091836734693877) internal successors, (335), 197 states have internal predecessors, (335), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:30:07,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 02:30:07,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:07,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:07,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:07,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:07,929 INFO L85 PathProgramCache]: Analyzing trace with hash -164815362, now seen corresponding path program 1 times [2022-11-03 02:30:07,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:30:07,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377688047] [2022-11-03 02:30:07,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:07,945 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:30:07,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:30:07,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:30:07,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:30:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:08,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 02:30:08,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:30:08,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:08,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:30:08,356 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:30:08,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377688047] [2022-11-03 02:30:08,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377688047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:08,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:08,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:30:08,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141179667] [2022-11-03 02:30:08,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:08,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:30:08,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:30:08,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:30:08,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:30:08,396 INFO L87 Difference]: Start difference. First operand has 202 states, 196 states have (on average 1.7091836734693877) internal successors, (335), 197 states have internal predecessors, (335), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:08,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:08,444 INFO L93 Difference]: Finished difference Result 402 states and 683 transitions. [2022-11-03 02:30:08,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:30:08,446 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-03 02:30:08,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:08,455 INFO L225 Difference]: With dead ends: 402 [2022-11-03 02:30:08,456 INFO L226 Difference]: Without dead ends: 199 [2022-11-03 02:30:08,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:30:08,463 INFO L413 NwaCegarLoop]: 282 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, 282 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 [2022-11-03 02:30:08,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:30:08,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-03 02:30:08,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2022-11-03 02:30:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 194 states have (on average 1.407216494845361) internal successors, (273), 194 states have internal predecessors, (273), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:30:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 279 transitions. [2022-11-03 02:30:08,518 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 279 transitions. Word has length 9 [2022-11-03 02:30:08,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:08,518 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 279 transitions. [2022-11-03 02:30:08,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:08,519 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 279 transitions. [2022-11-03 02:30:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:30:08,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:08,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:08,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:30:08,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:30:08,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:08,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:08,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1290913793, now seen corresponding path program 1 times [2022-11-03 02:30:08,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:30:08,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419667109] [2022-11-03 02:30:08,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:08,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:30:08,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:30:08,742 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:30:08,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 02:30:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:09,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:30:09,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:30:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:10,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:30:10,382 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:30:10,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419667109] [2022-11-03 02:30:10,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419667109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:10,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:10,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:30:10,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288556397] [2022-11-03 02:30:10,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:10,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:30:10,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:30:10,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:30:10,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:10,390 INFO L87 Difference]: Start difference. First operand 199 states and 279 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:10,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:10,429 INFO L93 Difference]: Finished difference Result 203 states and 282 transitions. [2022-11-03 02:30:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:30:10,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:30:10,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:10,431 INFO L225 Difference]: With dead ends: 203 [2022-11-03 02:30:10,431 INFO L226 Difference]: Without dead ends: 199 [2022-11-03 02:30:10,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:10,433 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:10,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1053 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 46 Unchecked, 0.0s Time] [2022-11-03 02:30:10,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-03 02:30:10,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2022-11-03 02:30:10,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 194 states have (on average 1.402061855670103) internal successors, (272), 194 states have internal predecessors, (272), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:30:10,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 278 transitions. [2022-11-03 02:30:10,449 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 278 transitions. Word has length 11 [2022-11-03 02:30:10,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:10,450 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 278 transitions. [2022-11-03 02:30:10,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 278 transitions. [2022-11-03 02:30:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 02:30:10,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:10,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:10,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:30:10,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:30:10,677 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:10,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:10,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1358928644, now seen corresponding path program 1 times [2022-11-03 02:30:10,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:30:10,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862502119] [2022-11-03 02:30:10,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:10,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:30:10,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:30:10,680 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:30:10,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 02:30:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:10,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:30:11,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:30:12,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:30:12,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:30:12,040 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:30:12,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862502119] [2022-11-03 02:30:12,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862502119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:12,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:12,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:30:12,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771355252] [2022-11-03 02:30:12,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:12,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:30:12,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:30:12,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:30:12,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:12,043 INFO L87 Difference]: Start difference. First operand 199 states and 278 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:30:15,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:17,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:20,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:21,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:24,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:26,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:31,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:36,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:39,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:40,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:42,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:46,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:48,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:53,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:55,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:57,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:00,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:02,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:04,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:06,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:08,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:10,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:12,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:14,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:16,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:19,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:21,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:23,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:24,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:26,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:28,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:30,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:33,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:35,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:37,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:39,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:41,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:43,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:46,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:48,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:50,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:55,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:57,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:59,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:02,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:04,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:06,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:08,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:10,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:13,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:15,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:17,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:19,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:21,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:23,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:25,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:27,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:29,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:31,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:33,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:35,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:37,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:39,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:41,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:41,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:41,584 INFO L93 Difference]: Finished difference Result 218 states and 300 transitions. [2022-11-03 02:32:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:32:41,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-03 02:32:41,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:41,620 INFO L225 Difference]: With dead ends: 218 [2022-11-03 02:32:41,620 INFO L226 Difference]: Without dead ends: 214 [2022-11-03 02:32:41,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:32:41,622 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 155 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 57 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 144.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 57 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 148.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:41,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 821 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 57 Unknown, 0 Unchecked, 148.9s Time] [2022-11-03 02:32:41,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-11-03 02:32:41,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 199. [2022-11-03 02:32:41,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 194 states have (on average 1.3917525773195876) internal successors, (270), 194 states have internal predecessors, (270), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:32:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 276 transitions. [2022-11-03 02:32:41,639 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 276 transitions. Word has length 13 [2022-11-03 02:32:41,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:41,639 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 276 transitions. [2022-11-03 02:32:41,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 276 transitions. [2022-11-03 02:32:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 02:32:41,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:41,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:41,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:32:41,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:32:41,852 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:32:41,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:41,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1358869062, now seen corresponding path program 1 times [2022-11-03 02:32:41,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:32:41,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695758215] [2022-11-03 02:32:41,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:41,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:32:41,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:32:41,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:32:41,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 02:32:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:42,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 02:32:42,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:32:42,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:42,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-03 02:32:44,014 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:32:44,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2022-11-03 02:32:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:46,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:32:46,528 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:32:46,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695758215] [2022-11-03 02:32:46,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695758215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:46,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:46,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:32:46,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312446290] [2022-11-03 02:32:46,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:46,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:32:46,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:32:46,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:32:46,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:32:46,531 INFO L87 Difference]: Start difference. First operand 199 states and 276 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:46,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:46,542 INFO L93 Difference]: Finished difference Result 203 states and 279 transitions. [2022-11-03 02:32:46,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:32:46,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-03 02:32:46,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:46,544 INFO L225 Difference]: With dead ends: 203 [2022-11-03 02:32:46,544 INFO L226 Difference]: Without dead ends: 198 [2022-11-03 02:32:46,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:32:46,545 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 0 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 150 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:46,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1197 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 150 Unchecked, 0.0s Time] [2022-11-03 02:32:46,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-11-03 02:32:46,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-11-03 02:32:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 193 states have (on average 1.38860103626943) internal successors, (268), 193 states have internal predecessors, (268), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:32:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 274 transitions. [2022-11-03 02:32:46,558 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 274 transitions. Word has length 13 [2022-11-03 02:32:46,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:46,558 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 274 transitions. [2022-11-03 02:32:46,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 274 transitions. [2022-11-03 02:32:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:32:46,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:46,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:46,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:32:46,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:32:46,783 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:32:46,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:46,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1605803784, now seen corresponding path program 1 times [2022-11-03 02:32:46,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:32:46,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971833613] [2022-11-03 02:32:46,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:46,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:32:46,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:32:46,785 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:32:46,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 02:32:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:47,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:32:47,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:32:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:48,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:32:48,925 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:32:48,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971833613] [2022-11-03 02:32:48,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1971833613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:48,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:48,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:32:48,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982793234] [2022-11-03 02:32:48,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:48,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:32:48,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:32:48,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:32:48,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:32:48,928 INFO L87 Difference]: Start difference. First operand 198 states and 274 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:48,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:48,943 INFO L93 Difference]: Finished difference Result 380 states and 525 transitions. [2022-11-03 02:32:48,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:32:48,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 02:32:48,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:48,946 INFO L225 Difference]: With dead ends: 380 [2022-11-03 02:32:48,946 INFO L226 Difference]: Without dead ends: 198 [2022-11-03 02:32:48,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:32:48,954 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 0 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:48,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 789 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2022-11-03 02:32:48,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-11-03 02:32:48,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-11-03 02:32:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 193 states have (on average 1.383419689119171) internal successors, (267), 193 states have internal predecessors, (267), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:32:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 273 transitions. [2022-11-03 02:32:48,981 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 273 transitions. Word has length 17 [2022-11-03 02:32:48,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:48,982 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 273 transitions. [2022-11-03 02:32:48,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 273 transitions. [2022-11-03 02:32:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 02:32:48,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:48,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:49,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:32:49,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:32:49,208 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:32:49,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:49,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2066854158, now seen corresponding path program 1 times [2022-11-03 02:32:49,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:32:49,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291345548] [2022-11-03 02:32:49,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:49,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:32:49,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:32:49,217 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:32:49,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 02:32:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:49,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:32:49,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:32:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:51,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:32:51,708 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:32:51,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291345548] [2022-11-03 02:32:51,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291345548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:51,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:51,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:32:51,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670882997] [2022-11-03 02:32:51,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:51,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:32:51,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:32:51,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:32:51,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:32:51,711 INFO L87 Difference]: Start difference. First operand 198 states and 273 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:51,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:51,724 INFO L93 Difference]: Finished difference Result 394 states and 542 transitions. [2022-11-03 02:32:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:32:51,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-03 02:32:51,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:51,726 INFO L225 Difference]: With dead ends: 394 [2022-11-03 02:32:51,726 INFO L226 Difference]: Without dead ends: 220 [2022-11-03 02:32:51,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:32:51,730 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 26 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:51,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 1024 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 45 Unchecked, 0.0s Time] [2022-11-03 02:32:51,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-03 02:32:51,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 200. [2022-11-03 02:32:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 195 states have (on average 1.3846153846153846) internal successors, (270), 195 states have internal predecessors, (270), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:32:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 276 transitions. [2022-11-03 02:32:51,740 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 276 transitions. Word has length 18 [2022-11-03 02:32:51,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:51,741 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 276 transitions. [2022-11-03 02:32:51,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 276 transitions. [2022-11-03 02:32:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:32:51,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:51,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:51,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:32:51,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:32:51,957 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:32:51,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:51,957 INFO L85 PathProgramCache]: Analyzing trace with hash 736043008, now seen corresponding path program 1 times [2022-11-03 02:32:51,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:32:51,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874985091] [2022-11-03 02:32:51,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:51,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:32:51,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:32:51,959 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:32:51,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 02:32:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:52,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:32:52,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:32:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:54,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:32:54,095 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:32:54,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874985091] [2022-11-03 02:32:54,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [874985091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:54,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:54,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:32:54,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640632989] [2022-11-03 02:32:54,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:54,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:32:54,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:32:54,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:32:54,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:32:54,097 INFO L87 Difference]: Start difference. First operand 200 states and 276 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:54,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:54,107 INFO L93 Difference]: Finished difference Result 335 states and 453 transitions. [2022-11-03 02:32:54,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:32:54,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-03 02:32:54,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:54,109 INFO L225 Difference]: With dead ends: 335 [2022-11-03 02:32:54,109 INFO L226 Difference]: Without dead ends: 148 [2022-11-03 02:32:54,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:32:54,111 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:54,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 714 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 30 Unchecked, 0.0s Time] [2022-11-03 02:32:54,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-03 02:32:54,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2022-11-03 02:32:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.2937062937062938) internal successors, (185), 143 states have internal predecessors, (185), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:32:54,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 191 transitions. [2022-11-03 02:32:54,118 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 191 transitions. Word has length 19 [2022-11-03 02:32:54,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:54,119 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 191 transitions. [2022-11-03 02:32:54,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 191 transitions. [2022-11-03 02:32:54,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 02:32:54,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:54,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:54,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:32:54,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:32:54,344 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:32:54,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:54,345 INFO L85 PathProgramCache]: Analyzing trace with hash 595460900, now seen corresponding path program 1 times [2022-11-03 02:32:54,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:32:54,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295696638] [2022-11-03 02:32:54,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:54,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:32:54,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:32:54,346 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:32:54,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 02:32:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:54,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:32:54,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:32:56,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:56,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:32:56,805 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:32:56,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295696638] [2022-11-03 02:32:56,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295696638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:56,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:56,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:32:56,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921917671] [2022-11-03 02:32:56,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:56,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:32:56,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:32:56,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:32:56,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:32:56,808 INFO L87 Difference]: Start difference. First operand 148 states and 191 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:56,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:56,818 INFO L93 Difference]: Finished difference Result 157 states and 198 transitions. [2022-11-03 02:32:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:32:56,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-03 02:32:56,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:56,821 INFO L225 Difference]: With dead ends: 157 [2022-11-03 02:32:56,821 INFO L226 Difference]: Without dead ends: 152 [2022-11-03 02:32:56,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:32:56,823 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 134 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:56,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 382 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2022-11-03 02:32:56,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-11-03 02:32:56,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2022-11-03 02:32:56,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.2867132867132867) internal successors, (184), 143 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:32:56,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 190 transitions. [2022-11-03 02:32:56,836 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 190 transitions. Word has length 20 [2022-11-03 02:32:56,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:56,837 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 190 transitions. [2022-11-03 02:32:56,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:32:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 190 transitions. [2022-11-03 02:32:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 02:32:56,843 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:56,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:56,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 02:32:57,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:32:57,057 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:32:57,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:57,057 INFO L85 PathProgramCache]: Analyzing trace with hash 597307942, now seen corresponding path program 1 times [2022-11-03 02:32:57,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:32:57,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589142650] [2022-11-03 02:32:57,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:57,058 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:32:57,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:32:57,060 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:32:57,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 02:32:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:57,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 02:32:57,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:33:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:33:00,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:33:00,415 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:33:00,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589142650] [2022-11-03 02:33:00,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589142650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:33:00,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:33:00,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:33:00,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270530881] [2022-11-03 02:33:00,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:33:00,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:33:00,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:33:00,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:33:00,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:33:00,417 INFO L87 Difference]: Start difference. First operand 148 states and 190 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:33:00,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:33:00,427 INFO L93 Difference]: Finished difference Result 152 states and 193 transitions. [2022-11-03 02:33:00,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:33:00,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-03 02:33:00,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:33:00,429 INFO L225 Difference]: With dead ends: 152 [2022-11-03 02:33:00,429 INFO L226 Difference]: Without dead ends: 141 [2022-11-03 02:33:00,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:33:00,430 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 8 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:33:00,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 661 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 35 Unchecked, 0.0s Time] [2022-11-03 02:33:00,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-03 02:33:00,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-11-03 02:33:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 136 states have (on average 1.2794117647058822) internal successors, (174), 136 states have internal predecessors, (174), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:33:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 180 transitions. [2022-11-03 02:33:00,441 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 180 transitions. Word has length 20 [2022-11-03 02:33:00,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:33:00,441 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 180 transitions. [2022-11-03 02:33:00,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:33:00,442 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 180 transitions. [2022-11-03 02:33:00,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:33:00,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:00,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:33:00,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 02:33:00,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:33:00,662 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:00,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:00,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1703332610, now seen corresponding path program 1 times [2022-11-03 02:33:00,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:33:00,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236198828] [2022-11-03 02:33:00,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:00,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:33:00,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:33:00,665 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:33:00,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 02:33:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:01,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 02:33:01,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:33:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:33:04,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:33:04,021 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:33:04,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236198828] [2022-11-03 02:33:04,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236198828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:33:04,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:33:04,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:33:04,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391663172] [2022-11-03 02:33:04,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:33:04,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:33:04,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:33:04,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:33:04,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:33:04,024 INFO L87 Difference]: Start difference. First operand 141 states and 180 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:33:04,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:33:04,065 INFO L93 Difference]: Finished difference Result 141 states and 180 transitions. [2022-11-03 02:33:04,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:33:04,070 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-03 02:33:04,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:33:04,070 INFO L225 Difference]: With dead ends: 141 [2022-11-03 02:33:04,070 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:33:04,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:33:04,072 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:33:04,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 7 Unchecked, 0.0s Time] [2022-11-03 02:33:04,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:33:04,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:33:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:33:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:33:04,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-11-03 02:33:04,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:33:04,074 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:33:04,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:33:04,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:33:04,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:33:04,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:33:04,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 02:33:04,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:33:04,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:33:06,279 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2022-11-03 02:33:06,280 INFO L902 garLoopResultBuilder]: At program point L31-1(lines 19 38) the Hoare annotation is: true [2022-11-03 02:33:06,280 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2022-11-03 02:33:06,280 INFO L899 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 19 38) no Hoare annotation was computed. [2022-11-03 02:33:06,280 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2022-11-03 02:33:06,280 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2022-11-03 02:33:06,281 INFO L899 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 19 38) no Hoare annotation was computed. [2022-11-03 02:33:06,281 INFO L902 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 19 38) the Hoare annotation is: true [2022-11-03 02:33:06,281 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2022-11-03 02:33:06,281 INFO L902 garLoopResultBuilder]: At program point L26-1(lines 19 38) the Hoare annotation is: true [2022-11-03 02:33:06,281 INFO L899 garLoopResultBuilder]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2022-11-03 02:33:06,282 INFO L895 garLoopResultBuilder]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2022-11-03 02:33:06,282 INFO L899 garLoopResultBuilder]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2022-11-03 02:33:06,282 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 367) no Hoare annotation was computed. [2022-11-03 02:33:06,282 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 169) no Hoare annotation was computed. [2022-11-03 02:33:06,282 INFO L899 garLoopResultBuilder]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2022-11-03 02:33:06,283 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2022-11-03 02:33:06,283 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2022-11-03 02:33:06,283 INFO L899 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2022-11-03 02:33:06,283 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 309) no Hoare annotation was computed. [2022-11-03 02:33:06,283 INFO L899 garLoopResultBuilder]: For program point L367-2(line 367) no Hoare annotation was computed. [2022-11-03 02:33:06,284 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2022-11-03 02:33:06,284 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2022-11-03 02:33:06,284 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2022-11-03 02:33:06,284 INFO L895 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: false [2022-11-03 02:33:06,284 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2022-11-03 02:33:06,284 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2022-11-03 02:33:06,285 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2022-11-03 02:33:06,285 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 501) no Hoare annotation was computed. [2022-11-03 02:33:06,285 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2022-11-03 02:33:06,285 INFO L895 garLoopResultBuilder]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2022-11-03 02:33:06,285 INFO L899 garLoopResultBuilder]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2022-11-03 02:33:06,285 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 79) no Hoare annotation was computed. [2022-11-03 02:33:06,285 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 304) no Hoare annotation was computed. [2022-11-03 02:33:06,285 INFO L899 garLoopResultBuilder]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2022-11-03 02:33:06,286 INFO L895 garLoopResultBuilder]: At program point L270-2(lines 270 275) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (= |ULTIMATE.start___ieee754_pow_~y#1| (fp.div currentRoundingMode .cse0 (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_pow_~x#1| .cse0)))) (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0))) [2022-11-03 02:33:06,286 INFO L895 garLoopResultBuilder]: At program point L204(lines 97 205) the Hoare annotation is: false [2022-11-03 02:33:06,286 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2022-11-03 02:33:06,286 INFO L895 garLoopResultBuilder]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2022-11-03 02:33:06,286 INFO L899 garLoopResultBuilder]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2022-11-03 02:33:06,286 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 510) no Hoare annotation was computed. [2022-11-03 02:33:06,286 INFO L899 garLoopResultBuilder]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2022-11-03 02:33:06,287 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 351) no Hoare annotation was computed. [2022-11-03 02:33:06,287 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2022-11-03 02:33:06,287 INFO L899 garLoopResultBuilder]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2022-11-03 02:33:06,287 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2022-11-03 02:33:06,287 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 350) no Hoare annotation was computed. [2022-11-03 02:33:06,287 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 308) no Hoare annotation was computed. [2022-11-03 02:33:06,288 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2022-11-03 02:33:06,288 INFO L895 garLoopResultBuilder]: At program point L208-2(lines 208 212) the Hoare annotation is: false [2022-11-03 02:33:06,288 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 412) no Hoare annotation was computed. [2022-11-03 02:33:06,288 INFO L895 garLoopResultBuilder]: At program point L407-1(lines 381 474) the Hoare annotation is: false [2022-11-03 02:33:06,288 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 342) no Hoare annotation was computed. [2022-11-03 02:33:06,289 INFO L899 garLoopResultBuilder]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2022-11-03 02:33:06,289 INFO L899 garLoopResultBuilder]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2022-11-03 02:33:06,289 INFO L895 garLoopResultBuilder]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2022-11-03 02:33:06,289 INFO L899 garLoopResultBuilder]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2022-11-03 02:33:06,289 INFO L899 garLoopResultBuilder]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2022-11-03 02:33:06,289 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 508) no Hoare annotation was computed. [2022-11-03 02:33:06,290 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 281) no Hoare annotation was computed. [2022-11-03 02:33:06,290 INFO L895 garLoopResultBuilder]: At program point L276-1(lines 263 562) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_66| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8|))) (let ((.cse1 (select .cse3 (_ bv4 32))) (.cse2 (select .cse3 (_ bv0 32))) (.cse0 (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (= |ULTIMATE.start___ieee754_pow_~y#1| (fp.div currentRoundingMode .cse0 (_ +zero 11 53))) (= .cse1 |ULTIMATE.start___ieee754_pow_~hx~2#1|) (= |ULTIMATE.start___ieee754_pow_~lx~1#1| .cse2) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_66|) .cse1) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_66|) .cse2) (= .cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_66|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_66|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_66|))))))) (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0))) [2022-11-03 02:33:06,290 INFO L899 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2022-11-03 02:33:06,291 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2022-11-03 02:33:06,291 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 192) no Hoare annotation was computed. [2022-11-03 02:33:06,291 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2022-11-03 02:33:06,291 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2022-11-03 02:33:06,291 INFO L899 garLoopResultBuilder]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2022-11-03 02:33:06,292 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2022-11-03 02:33:06,292 INFO L895 garLoopResultBuilder]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2022-11-03 02:33:06,292 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 347) no Hoare annotation was computed. [2022-11-03 02:33:06,292 INFO L899 garLoopResultBuilder]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2022-11-03 02:33:06,292 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2022-11-03 02:33:06,292 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 478) no Hoare annotation was computed. [2022-11-03 02:33:06,293 INFO L899 garLoopResultBuilder]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2022-11-03 02:33:06,293 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 218) no Hoare annotation was computed. [2022-11-03 02:33:06,293 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2022-11-03 02:33:06,293 INFO L895 garLoopResultBuilder]: At program point L213-1(lines 206 220) the Hoare annotation is: false [2022-11-03 02:33:06,293 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2022-11-03 02:33:06,293 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2022-11-03 02:33:06,294 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2022-11-03 02:33:06,294 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 84) no Hoare annotation was computed. [2022-11-03 02:33:06,294 INFO L899 garLoopResultBuilder]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2022-11-03 02:33:06,294 INFO L899 garLoopResultBuilder]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2022-11-03 02:33:06,294 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 580) no Hoare annotation was computed. [2022-11-03 02:33:06,294 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 347) no Hoare annotation was computed. [2022-11-03 02:33:06,295 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 334) no Hoare annotation was computed. [2022-11-03 02:33:06,295 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2022-11-03 02:33:06,295 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: false [2022-11-03 02:33:06,295 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-03 02:33:06,295 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-11-03 02:33:06,296 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 321) no Hoare annotation was computed. [2022-11-03 02:33:06,296 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 190) no Hoare annotation was computed. [2022-11-03 02:33:06,296 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2022-11-03 02:33:06,296 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2022-11-03 02:33:06,296 INFO L899 garLoopResultBuilder]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2022-11-03 02:33:06,296 INFO L895 garLoopResultBuilder]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2022-11-03 02:33:06,297 INFO L899 garLoopResultBuilder]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2022-11-03 02:33:06,297 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 320) no Hoare annotation was computed. [2022-11-03 02:33:06,297 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2022-11-03 02:33:06,297 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: false [2022-11-03 02:33:06,297 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2022-11-03 02:33:06,297 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2022-11-03 02:33:06,298 INFO L895 garLoopResultBuilder]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2022-11-03 02:33:06,298 INFO L899 garLoopResultBuilder]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2022-11-03 02:33:06,298 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 529) no Hoare annotation was computed. [2022-11-03 02:33:06,298 INFO L899 garLoopResultBuilder]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2022-11-03 02:33:06,298 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 02:33:06,298 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 320) no Hoare annotation was computed. [2022-11-03 02:33:06,298 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 190) no Hoare annotation was computed. [2022-11-03 02:33:06,299 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 65) no Hoare annotation was computed. [2022-11-03 02:33:06,299 INFO L899 garLoopResultBuilder]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2022-11-03 02:33:06,299 INFO L902 garLoopResultBuilder]: At program point L582(lines 564 583) the Hoare annotation is: true [2022-11-03 02:33:06,299 INFO L899 garLoopResultBuilder]: For program point L318(line 318) no Hoare annotation was computed. [2022-11-03 02:33:06,299 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 286) no Hoare annotation was computed. [2022-11-03 02:33:06,299 INFO L899 garLoopResultBuilder]: For program point L318-2(line 318) no Hoare annotation was computed. [2022-11-03 02:33:06,300 INFO L895 garLoopResultBuilder]: At program point L219(lines 206 220) the Hoare annotation is: false [2022-11-03 02:33:06,300 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2022-11-03 02:33:06,300 INFO L899 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2022-11-03 02:33:06,300 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2022-11-03 02:33:06,300 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2022-11-03 02:33:06,300 INFO L895 garLoopResultBuilder]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2022-11-03 02:33:06,301 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2022-11-03 02:33:06,301 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 393) no Hoare annotation was computed. [2022-11-03 02:33:06,301 INFO L899 garLoopResultBuilder]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2022-11-03 02:33:06,301 INFO L899 garLoopResultBuilder]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2022-11-03 02:33:06,301 INFO L895 garLoopResultBuilder]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2022-11-03 02:33:06,301 INFO L899 garLoopResultBuilder]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2022-11-03 02:33:06,302 INFO L899 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2022-11-03 02:33:06,302 INFO L899 garLoopResultBuilder]: For program point L320-2(line 320) no Hoare annotation was computed. [2022-11-03 02:33:06,302 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 133) no Hoare annotation was computed. [2022-11-03 02:33:06,302 INFO L899 garLoopResultBuilder]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2022-11-03 02:33:06,302 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2022-11-03 02:33:06,302 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2022-11-03 02:33:06,302 INFO L895 garLoopResultBuilder]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2022-11-03 02:33:06,303 INFO L899 garLoopResultBuilder]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2022-11-03 02:33:06,303 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2022-11-03 02:33:06,303 INFO L895 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2022-11-03 02:33:06,303 INFO L899 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2022-11-03 02:33:06,303 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2022-11-03 02:33:06,303 INFO L895 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2022-11-03 02:33:06,304 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2022-11-03 02:33:06,304 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2022-11-03 02:33:06,304 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 327) no Hoare annotation was computed. [2022-11-03 02:33:06,304 INFO L895 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2022-11-03 02:33:06,304 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:33:06,305 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2022-11-03 02:33:06,305 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2022-11-03 02:33:06,305 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 474) no Hoare annotation was computed. [2022-11-03 02:33:06,305 INFO L899 garLoopResultBuilder]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2022-11-03 02:33:06,305 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 326) no Hoare annotation was computed. [2022-11-03 02:33:06,305 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 293) no Hoare annotation was computed. [2022-11-03 02:33:06,306 INFO L899 garLoopResultBuilder]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2022-11-03 02:33:06,306 INFO L899 garLoopResultBuilder]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2022-11-03 02:33:06,306 INFO L895 garLoopResultBuilder]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2022-11-03 02:33:06,306 INFO L899 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2022-11-03 02:33:06,306 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 362) no Hoare annotation was computed. [2022-11-03 02:33:06,306 INFO L899 garLoopResultBuilder]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2022-11-03 02:33:06,306 INFO L895 garLoopResultBuilder]: At program point L93(lines 44 94) the Hoare annotation is: false [2022-11-03 02:33:06,307 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2022-11-03 02:33:06,307 INFO L895 garLoopResultBuilder]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2022-11-03 02:33:06,307 INFO L899 garLoopResultBuilder]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2022-11-03 02:33:06,307 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 359) no Hoare annotation was computed. [2022-11-03 02:33:06,307 INFO L895 garLoopResultBuilder]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2022-11-03 02:33:06,307 INFO L899 garLoopResultBuilder]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2022-11-03 02:33:06,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 02:33:06,308 INFO L899 garLoopResultBuilder]: For program point L359(line 359) no Hoare annotation was computed. [2022-11-03 02:33:06,308 INFO L899 garLoopResultBuilder]: For program point L359-2(line 359) no Hoare annotation was computed. [2022-11-03 02:33:06,308 INFO L899 garLoopResultBuilder]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2022-11-03 02:33:06,308 INFO L895 garLoopResultBuilder]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2022-11-03 02:33:06,308 INFO L899 garLoopResultBuilder]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2022-11-03 02:33:06,308 INFO L899 garLoopResultBuilder]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2022-11-03 02:33:06,309 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 361) no Hoare annotation was computed. [2022-11-03 02:33:06,309 INFO L895 garLoopResultBuilder]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2022-11-03 02:33:06,309 INFO L899 garLoopResultBuilder]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2022-11-03 02:33:06,309 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 196) no Hoare annotation was computed. [2022-11-03 02:33:06,309 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2022-11-03 02:33:06,309 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2022-11-03 02:33:06,309 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2022-11-03 02:33:06,310 INFO L899 garLoopResultBuilder]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2022-11-03 02:33:06,310 INFO L899 garLoopResultBuilder]: For program point L361(line 361) no Hoare annotation was computed. [2022-11-03 02:33:06,310 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 329) no Hoare annotation was computed. [2022-11-03 02:33:06,310 INFO L899 garLoopResultBuilder]: For program point L361-2(line 361) no Hoare annotation was computed. [2022-11-03 02:33:06,310 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 172) no Hoare annotation was computed. [2022-11-03 02:33:06,310 INFO L899 garLoopResultBuilder]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2022-11-03 02:33:06,310 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 311) no Hoare annotation was computed. [2022-11-03 02:33:06,311 INFO L899 garLoopResultBuilder]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2022-11-03 02:33:06,311 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 02:33:06,311 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2022-11-03 02:33:06,311 INFO L895 garLoopResultBuilder]: At program point L561(lines 263 562) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |ULTIMATE.start___ieee754_pow_#res#1| .cse0) (= ~one_pow~0 .cse0))) [2022-11-03 02:33:06,311 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 333) no Hoare annotation was computed. [2022-11-03 02:33:06,311 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 310) no Hoare annotation was computed. [2022-11-03 02:33:06,312 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 166) no Hoare annotation was computed. [2022-11-03 02:33:06,312 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2022-11-03 02:33:06,312 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2022-11-03 02:33:06,312 INFO L899 garLoopResultBuilder]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2022-11-03 02:33:06,312 INFO L899 garLoopResultBuilder]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2022-11-03 02:33:06,312 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 332) no Hoare annotation was computed. [2022-11-03 02:33:06,312 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 502) no Hoare annotation was computed. [2022-11-03 02:33:06,313 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2022-11-03 02:33:06,313 INFO L899 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2022-11-03 02:33:06,313 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 310) no Hoare annotation was computed. [2022-11-03 02:33:06,313 INFO L899 garLoopResultBuilder]: For program point L365-2(line 365) no Hoare annotation was computed. [2022-11-03 02:33:06,316 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:33:06,319 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:33:06,333 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,337 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,337 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,337 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:33:06 BoogieIcfgContainer [2022-11-03 02:33:06,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:33:06,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:33:06,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:33:06,344 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:33:06,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:30:07" (3/4) ... [2022-11-03 02:33:06,348 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:33:06,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2022-11-03 02:33:06,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-03 02:33:06,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-03 02:33:06,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:33:06,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:33:06,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) [2022-11-03 02:33:06,434 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:33:06,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:33:06,435 INFO L158 Benchmark]: Toolchain (without parser) took 233114.87ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 49.2MB in the beginning and 42.7MB in the end (delta: 6.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-11-03 02:33:06,435 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:33:06,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.28ms. Allocated memory is still 69.2MB. Free memory was 49.1MB in the beginning and 39.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:33:06,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.34ms. Allocated memory is still 69.2MB. Free memory was 39.7MB in the beginning and 35.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:33:06,436 INFO L158 Benchmark]: Boogie Preprocessor took 68.75ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 30.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:33:06,436 INFO L158 Benchmark]: RCFGBuilder took 53732.58ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 30.2MB in the beginning and 65.2MB in the end (delta: -35.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-11-03 02:33:06,438 INFO L158 Benchmark]: TraceAbstraction took 178566.02ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 48.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-03 02:33:06,438 INFO L158 Benchmark]: Witness Printer took 90.17ms. Allocated memory is still 94.4MB. Free memory was 48.2MB in the beginning and 42.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 02:33:06,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.28ms. Allocated memory is still 69.2MB. Free memory was 49.1MB in the beginning and 39.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.34ms. Allocated memory is still 69.2MB. Free memory was 39.7MB in the beginning and 35.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.75ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 30.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 53732.58ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 30.2MB in the beginning and 65.2MB in the end (delta: -35.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * TraceAbstraction took 178566.02ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 48.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 90.17ms. Allocated memory is still 94.4MB. Free memory was 48.2MB in the beginning and 42.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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 - PositiveResult [Line: 578]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 202 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 178.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 149.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 mSolverCounterUnknown, 326 SdHoareTripleChecker+Valid, 148.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 323 mSDsluCounter, 6948 SdHoareTripleChecker+Invalid, 144.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 349 IncrementalHoareTripleChecker+Unchecked, 4776 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2172 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 39 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 96 PreInvPairs, 100 NumberOfFragments, 130 HoareAnnotationTreeSize, 96 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 67 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 154 ConstructedInterpolants, 74 QuantifiedInterpolants, 1685 SizeOfPredicates, 67 NumberOfNonLiveVariables, 1294 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant [2022-11-03 02:33:06,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8,QUANTIFIED] [2022-11-03 02:33:06,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] [2022-11-03 02:33:06,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_66,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_66 : bv64, currentRoundingMode : FloatRoundingMode :: ((((y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8][4bv32] == hx) && lx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8][0bv32]) && v_skolemized_q#valueAsBitvector_66[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_66[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_8][0bv32]) && ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_66[63:63], v_skolemized_q#valueAsBitvector_66[62:52], v_skolemized_q#valueAsBitvector_66[51:0])) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant [2022-11-03 02:33:06,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:33:06,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-03 02:33:06,699 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-03 02:33:06,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_715de78c-8286-415d-ae2f-563c5eac44ed/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE