./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ce8d6b4234bd6bf0bfcfd1e4c4c2558dac9d6bd9149c930ad3206caf329db1b --- 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-e04fb08 [2022-11-16 11:14:31,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:14:31,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:14:31,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:14:31,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:14:31,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:14:31,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:14:31,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:14:31,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:14:31,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:14:31,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:14:31,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:14:31,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:14:31,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:14:31,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:14:31,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:14:31,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:14:31,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:14:31,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:14:31,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:14:31,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:14:31,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:14:31,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:14:31,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:14:31,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:14:31,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:14:31,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:14:31,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:14:31,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:14:31,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:14:31,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:14:31,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:14:31,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:14:31,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:14:31,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:14:31,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:14:31,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:14:31,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:14:31,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:14:31,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:14:31,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:14:31,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:14:31,790 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:14:31,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:14:31,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:14:31,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:14:31,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:14:31,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:14:31,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:14:31,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:14:31,798 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:14:31,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:14:31,800 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:14:31,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:14:31,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:14:31,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:14:31,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:14:31,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:14:31,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:14:31,802 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:14:31,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:14:31,803 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:14:31,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:14:31,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:14:31,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:14:31,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:14:31,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:14:31,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:14:31,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:14:31,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:14:31,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:14:31,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:14:31,806 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:14:31,807 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:14:31,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:14:31,808 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_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ce8d6b4234bd6bf0bfcfd1e4c4c2558dac9d6bd9149c930ad3206caf329db1b [2022-11-16 11:14:32,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:14:32,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:14:32,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:14:32,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:14:32,212 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:14:32,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2022-11-16 11:14:32,317 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/data/0709fde9e/3d08e45b02994351a83d2cb83f0458cc/FLAGdf8d8930b [2022-11-16 11:14:32,931 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:14:32,932 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2022-11-16 11:14:32,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/data/0709fde9e/3d08e45b02994351a83d2cb83f0458cc/FLAGdf8d8930b [2022-11-16 11:14:33,224 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/data/0709fde9e/3d08e45b02994351a83d2cb83f0458cc [2022-11-16 11:14:33,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:14:33,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:14:33,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:14:33,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:14:33,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:14:33,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:14:33" (1/1) ... [2022-11-16 11:14:33,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f3250a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:33, skipping insertion in model container [2022-11-16 11:14:33,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:14:33" (1/1) ... [2022-11-16 11:14:33,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:14:33,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:14:33,619 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:794) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1819) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$60(StandardFunctionHandler.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1451) 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:2043) 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:1654) 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:1085) 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:1631) 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:1085) 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:1474) 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:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2365) 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) [2022-11-16 11:14:33,624 INFO L158 Benchmark]: Toolchain (without parser) took 394.94ms. Allocated memory is still 121.6MB. Free memory was 76.0MB in the beginning and 94.4MB in the end (delta: -18.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:14:33,628 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 121.6MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:14:33,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.15ms. Allocated memory is still 121.6MB. Free memory was 75.7MB in the beginning and 94.4MB in the end (delta: -18.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:14:33,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 121.6MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.15ms. Allocated memory is still 121.6MB. Free memory was 75.7MB in the beginning and 94.4MB in the end (delta: -18.6MB). Peak memory consumption was 10.5MB. 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:794) 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_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ce8d6b4234bd6bf0bfcfd1e4c4c2558dac9d6bd9149c930ad3206caf329db1b --- 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-e04fb08 [2022-11-16 11:14:36,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:14:36,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:14:36,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:14:36,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:14:36,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:14:36,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:14:36,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:14:36,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:14:36,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:14:36,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:14:36,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:14:36,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:14:36,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:14:36,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:14:36,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:14:36,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:14:36,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:14:36,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:14:36,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:14:36,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:14:36,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:14:36,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:14:36,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:14:36,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:14:36,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:14:36,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:14:36,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:14:36,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:14:36,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:14:36,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:14:36,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:14:36,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:14:36,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:14:36,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:14:36,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:14:36,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:14:36,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:14:36,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:14:36,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:14:36,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:14:36,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 11:14:36,175 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:14:36,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:14:36,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:14:36,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:14:36,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:14:36,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:14:36,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:14:36,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:14:36,179 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:14:36,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:14:36,179 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:14:36,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:14:36,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:14:36,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:14:36,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:14:36,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:14:36,181 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:14:36,181 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:14:36,181 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:14:36,181 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:14:36,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:14:36,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:14:36,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:14:36,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:14:36,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:14:36,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:14:36,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:14:36,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:14:36,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:14:36,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:14:36,184 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:14:36,184 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:14:36,184 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:14:36,184 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:14:36,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:14:36,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:14:36,185 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_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ce8d6b4234bd6bf0bfcfd1e4c4c2558dac9d6bd9149c930ad3206caf329db1b [2022-11-16 11:14:36,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:14:36,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:14:36,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:14:36,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:14:36,600 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:14:36,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2022-11-16 11:14:36,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/data/a7b89362c/329d5bb5f3ea465ca9e429ec6651cb61/FLAGad821f372 [2022-11-16 11:14:37,359 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:14:37,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2022-11-16 11:14:37,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/data/a7b89362c/329d5bb5f3ea465ca9e429ec6651cb61/FLAGad821f372 [2022-11-16 11:14:37,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/data/a7b89362c/329d5bb5f3ea465ca9e429ec6651cb61 [2022-11-16 11:14:37,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:14:37,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:14:37,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:14:37,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:14:37,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:14:37,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:37,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717e80a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37, skipping insertion in model container [2022-11-16 11:14:37,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:37,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:14:37,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:14:37,771 WARN L229 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_68b4832c-a275-4c15-bfa2-5fbb798d0465/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c[13768,13781] [2022-11-16 11:14:37,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:14:37,787 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:14:37,925 WARN L229 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_68b4832c-a275-4c15-bfa2-5fbb798d0465/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c[13768,13781] [2022-11-16 11:14:37,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:14:37,944 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:14:37,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37 WrapperNode [2022-11-16 11:14:37,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:14:37,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:14:37,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:14:37,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:14:37,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:37,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:38,022 INFO L138 Inliner]: procedures = 25, calls = 187, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 721 [2022-11-16 11:14:38,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:14:38,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:14:38,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:14:38,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:14:38,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:38,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:38,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:38,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:38,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:38,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:38,155 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:38,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:38,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:14:38,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:14:38,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:14:38,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:14:38,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (1/1) ... [2022-11-16 11:14:38,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:14:38,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:14:38,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:14:38,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:14:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:14:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-11-16 11:14:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-11-16 11:14:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-16 11:14:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:14:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:14:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-16 11:14:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 11:14:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:14:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:14:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-16 11:14:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 11:14:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:14:38,507 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:14:38,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:15:11,452 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:15:11,462 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:15:11,462 INFO L300 CfgBuilder]: Removed 70 assume(true) statements. [2022-11-16 11:15:11,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:15:11 BoogieIcfgContainer [2022-11-16 11:15:11,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:15:11,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:15:11,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:15:11,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:15:11,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:14:37" (1/3) ... [2022-11-16 11:15:11,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fad0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:15:11, skipping insertion in model container [2022-11-16 11:15:11,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:37" (2/3) ... [2022-11-16 11:15:11,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fad0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:15:11, skipping insertion in model container [2022-11-16 11:15:11,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:15:11" (3/3) ... [2022-11-16 11:15:11,474 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0873a.c [2022-11-16 11:15:11,494 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:15:11,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:15:11,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:15:11,555 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=PETRI_NET, 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;@1cf1ffe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:15:11,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:15:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 175 states have (on average 1.737142857142857) internal successors, (304), 176 states have internal predecessors, (304), 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) [2022-11-16 11:15:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 11:15:11,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:11,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:11,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:11,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:11,574 INFO L85 PathProgramCache]: Analyzing trace with hash -164892816, now seen corresponding path program 1 times [2022-11-16 11:15:11,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:15:11,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62363809] [2022-11-16 11:15:11,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:11,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:15:11,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:15:11,595 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:15:11,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:15:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:12,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 11:15:12,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:15:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:15:12,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:15:12,708 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:15:12,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62363809] [2022-11-16 11:15:12,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62363809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:12,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:12,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:15:12,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498273620] [2022-11-16 11:15:12,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:12,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:15:12,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:15:12,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:15:12,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:15:12,747 INFO L87 Difference]: Start difference. First operand has 181 states, 175 states have (on average 1.737142857142857) internal successors, (304), 176 states have internal predecessors, (304), 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) [2022-11-16 11:15:12,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:15:12,795 INFO L93 Difference]: Finished difference Result 360 states and 621 transitions. [2022-11-16 11:15:12,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:15:12,797 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 [2022-11-16 11:15:12,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:15:12,806 INFO L225 Difference]: With dead ends: 360 [2022-11-16 11:15:12,806 INFO L226 Difference]: Without dead ends: 178 [2022-11-16 11:15:12,810 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 [2022-11-16 11:15:12,813 INFO L413 NwaCegarLoop]: 239 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, 239 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 [2022-11-16 11:15:12,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:15:12,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-16 11:15:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2022-11-16 11:15:12,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.329479768786127) internal successors, (230), 173 states have internal predecessors, (230), 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) [2022-11-16 11:15:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 236 transitions. [2022-11-16 11:15:12,907 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 236 transitions. Word has length 9 [2022-11-16 11:15:12,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:15:12,907 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 236 transitions. [2022-11-16 11:15:12,908 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) [2022-11-16 11:15:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2022-11-16 11:15:12,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:15:12,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:12,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:12,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-16 11:15:13,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:15:13,135 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:13,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:13,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1290836339, now seen corresponding path program 1 times [2022-11-16 11:15:13,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:15:13,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812871671] [2022-11-16 11:15:13,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:13,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:15:13,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:15:13,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:15:13,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:15:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:14,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:15:14,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:15:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:15:14,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:15:14,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:15:14,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812871671] [2022-11-16 11:15:14,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812871671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:14,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:14,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:15:14,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070985944] [2022-11-16 11:15:14,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:14,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:15:14,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:15:14,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:15:14,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:15:14,644 INFO L87 Difference]: Start difference. First operand 178 states and 236 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) [2022-11-16 11:15:14,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:15:14,698 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2022-11-16 11:15:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:15:14,700 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 [2022-11-16 11:15:14,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:15:14,705 INFO L225 Difference]: With dead ends: 182 [2022-11-16 11:15:14,709 INFO L226 Difference]: Without dead ends: 178 [2022-11-16 11:15:14,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:15:14,711 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 0 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 892 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 [2022-11-16 11:15:14,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 892 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 35 Unchecked, 0.0s Time] [2022-11-16 11:15:14,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-16 11:15:14,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2022-11-16 11:15:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.323699421965318) internal successors, (229), 173 states have internal predecessors, (229), 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) [2022-11-16 11:15:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 235 transitions. [2022-11-16 11:15:14,732 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 235 transitions. Word has length 11 [2022-11-16 11:15:14,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:15:14,733 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 235 transitions. [2022-11-16 11:15:14,734 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) [2022-11-16 11:15:14,734 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2022-11-16 11:15:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:15:14,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:14,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:14,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:15:14,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:15:14,961 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:14,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:14,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1359006098, now seen corresponding path program 1 times [2022-11-16 11:15:14,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:15:14,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096790241] [2022-11-16 11:15:14,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:14,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:15:14,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:15:14,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:15:14,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:15:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:16,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 11:15:16,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:15:16,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 11:15:16,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-11-16 11:15:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:15:17,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:15:17,035 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:15:17,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2096790241] [2022-11-16 11:15:17,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2096790241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:17,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:17,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:15:17,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031650615] [2022-11-16 11:15:17,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:17,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:15:17,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:15:17,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:15:17,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:15:17,038 INFO L87 Difference]: Start difference. First operand 178 states and 235 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) [2022-11-16 11:15:17,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:15:17,061 INFO L93 Difference]: Finished difference Result 182 states and 238 transitions. [2022-11-16 11:15:17,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:15:17,061 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 [2022-11-16 11:15:17,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:15:17,063 INFO L225 Difference]: With dead ends: 182 [2022-11-16 11:15:17,063 INFO L226 Difference]: Without dead ends: 177 [2022-11-16 11:15:17,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:15:17,065 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 121 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:15:17,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1016 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 121 Unchecked, 0.0s Time] [2022-11-16 11:15:17,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-11-16 11:15:17,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2022-11-16 11:15:17,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.313953488372093) internal successors, (226), 172 states have internal predecessors, (226), 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) [2022-11-16 11:15:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 232 transitions. [2022-11-16 11:15:17,085 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 232 transitions. Word has length 13 [2022-11-16 11:15:17,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:15:17,085 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 232 transitions. [2022-11-16 11:15:17,087 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) [2022-11-16 11:15:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 232 transitions. [2022-11-16 11:15:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:15:17,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:17,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:17,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:15:17,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:15:17,312 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:17,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:17,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1694135864, now seen corresponding path program 1 times [2022-11-16 11:15:17,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:15:17,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819456786] [2022-11-16 11:15:17,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:17,313 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:15:17,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:15:17,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:15:17,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 11:15:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:18,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 11:15:18,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:15:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:15:18,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:15:18,645 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:15:18,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819456786] [2022-11-16 11:15:18,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819456786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:18,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:18,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:15:18,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826481021] [2022-11-16 11:15:18,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:18,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:15:18,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:15:18,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:15:18,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:15:18,647 INFO L87 Difference]: Start difference. First operand 177 states and 232 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-16 11:15:18,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:15:18,682 INFO L93 Difference]: Finished difference Result 341 states and 447 transitions. [2022-11-16 11:15:18,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:15:18,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2022-11-16 11:15:18,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:15:18,683 INFO L225 Difference]: With dead ends: 341 [2022-11-16 11:15:18,684 INFO L226 Difference]: Without dead ends: 177 [2022-11-16 11:15:18,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:15:18,689 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 0 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 663 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 [2022-11-16 11:15:18,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 663 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2022-11-16 11:15:18,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-11-16 11:15:18,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2022-11-16 11:15:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.308139534883721) internal successors, (225), 172 states have internal predecessors, (225), 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) [2022-11-16 11:15:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 231 transitions. [2022-11-16 11:15:18,712 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 231 transitions. Word has length 15 [2022-11-16 11:15:18,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:15:18,712 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 231 transitions. [2022-11-16 11:15:18,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-16 11:15:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 231 transitions. [2022-11-16 11:15:18,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 11:15:18,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:18,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:18,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:15:18,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:15:18,932 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:18,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:18,932 INFO L85 PathProgramCache]: Analyzing trace with hash 700855901, now seen corresponding path program 1 times [2022-11-16 11:15:18,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:15:18,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325019012] [2022-11-16 11:15:18,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:18,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:15:18,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:15:18,934 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:15:18,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-16 11:15:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:19,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:15:19,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:15:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:15:20,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:15:20,580 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:15:20,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325019012] [2022-11-16 11:15:20,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [325019012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:20,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:20,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:15:20,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720524742] [2022-11-16 11:15:20,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:20,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:15:20,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:15:20,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:15:20,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:15:20,583 INFO L87 Difference]: Start difference. First operand 177 states and 231 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-11-16 11:15:21,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:26,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:30,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:32,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:35,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:38,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:40,525 WARN L539 Checker$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 [] [2022-11-16 11:15:42,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:44,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:46,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:48,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:51,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:53,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:55,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:57,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:58,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:00,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:02,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:04,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:06,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:08,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:10,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:12,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:14,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:16,710 WARN L539 Checker$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 [] [2022-11-16 11:16:19,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:21,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:23,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:25,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:28,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:28,795 INFO L93 Difference]: Finished difference Result 185 states and 237 transitions. [2022-11-16 11:16:28,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:28,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2022-11-16 11:16:28,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:28,808 INFO L225 Difference]: With dead ends: 185 [2022-11-16 11:16:28,808 INFO L226 Difference]: Without dead ends: 181 [2022-11-16 11:16:28,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:16:28,810 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 96 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:28,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 686 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 22 Unknown, 0 Unchecked, 67.9s Time] [2022-11-16 11:16:28,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-16 11:16:28,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 177. [2022-11-16 11:16:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.302325581395349) internal successors, (224), 172 states have internal predecessors, (224), 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) [2022-11-16 11:16:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 230 transitions. [2022-11-16 11:16:28,824 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 230 transitions. Word has length 16 [2022-11-16 11:16:28,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:28,824 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 230 transitions. [2022-11-16 11:16:28,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-11-16 11:16:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 230 transitions. [2022-11-16 11:16:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 11:16:28,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:28,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:28,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:16:29,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:16:29,039 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:16:29,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:29,040 INFO L85 PathProgramCache]: Analyzing trace with hash 587081387, now seen corresponding path program 1 times [2022-11-16 11:16:29,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:16:29,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898668550] [2022-11-16 11:16:29,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:29,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:16:29,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:16:29,042 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:16:29,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-16 11:16:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:30,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:16:30,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:16:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:30,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:16:30,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:16:30,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898668550] [2022-11-16 11:16:30,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898668550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:30,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:31,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:16:31,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181522299] [2022-11-16 11:16:31,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:31,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:16:31,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:16:31,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:16:31,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:31,015 INFO L87 Difference]: Start difference. First operand 177 states and 230 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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) [2022-11-16 11:16:31,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:31,029 INFO L93 Difference]: Finished difference Result 339 states and 441 transitions. [2022-11-16 11:16:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:31,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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 [2022-11-16 11:16:31,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:31,031 INFO L225 Difference]: With dead ends: 339 [2022-11-16 11:16:31,031 INFO L226 Difference]: Without dead ends: 178 [2022-11-16 11:16:31,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:31,033 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 0 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:31,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 860 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 34 Unchecked, 0.0s Time] [2022-11-16 11:16:31,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-16 11:16:31,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2022-11-16 11:16:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.300578034682081) internal successors, (225), 173 states have internal predecessors, (225), 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) [2022-11-16 11:16:31,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 231 transitions. [2022-11-16 11:16:31,062 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 231 transitions. Word has length 17 [2022-11-16 11:16:31,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:31,063 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 231 transitions. [2022-11-16 11:16:31,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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) [2022-11-16 11:16:31,063 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 231 transitions. [2022-11-16 11:16:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 11:16:31,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:31,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:31,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:16:31,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:16:31,291 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:16:31,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:31,292 INFO L85 PathProgramCache]: Analyzing trace with hash 233998455, now seen corresponding path program 1 times [2022-11-16 11:16:31,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:16:31,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894131208] [2022-11-16 11:16:31,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:31,293 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:16:31,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:16:31,294 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:16:31,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-16 11:16:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:16:32,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:16:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:33,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:16:33,267 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:16:33,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894131208] [2022-11-16 11:16:33,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894131208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:33,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:33,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:16:33,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173731123] [2022-11-16 11:16:33,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:33,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:16:33,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:16:33,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:16:33,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:33,270 INFO L87 Difference]: Start difference. First operand 178 states and 231 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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) [2022-11-16 11:16:33,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:33,283 INFO L93 Difference]: Finished difference Result 186 states and 237 transitions. [2022-11-16 11:16:33,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:33,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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 [2022-11-16 11:16:33,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:33,284 INFO L225 Difference]: With dead ends: 186 [2022-11-16 11:16:33,285 INFO L226 Difference]: Without dead ends: 179 [2022-11-16 11:16:33,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:33,286 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 61 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 792 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 [2022-11-16 11:16:33,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 792 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 35 Unchecked, 0.0s Time] [2022-11-16 11:16:33,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-16 11:16:33,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 175. [2022-11-16 11:16:33,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 170 states have (on average 1.2882352941176471) internal successors, (219), 170 states have internal predecessors, (219), 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) [2022-11-16 11:16:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 225 transitions. [2022-11-16 11:16:33,297 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 225 transitions. Word has length 17 [2022-11-16 11:16:33,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:33,298 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 225 transitions. [2022-11-16 11:16:33,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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) [2022-11-16 11:16:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 225 transitions. [2022-11-16 11:16:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 11:16:33,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:33,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:33,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:16:33,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:16:33,528 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:16:33,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:33,529 INFO L85 PathProgramCache]: Analyzing trace with hash 419701288, now seen corresponding path program 1 times [2022-11-16 11:16:33,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:16:33,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749585237] [2022-11-16 11:16:33,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:33,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:16:33,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:16:33,533 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:16:33,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-16 11:16:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:35,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:16:35,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:16:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:35,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:16:35,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:16:35,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749585237] [2022-11-16 11:16:35,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749585237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:35,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:35,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:16:35,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816816518] [2022-11-16 11:16:35,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:35,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:16:35,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:16:35,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:16:35,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:35,634 INFO L87 Difference]: Start difference. First operand 175 states and 225 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) [2022-11-16 11:16:35,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:35,637 INFO L93 Difference]: Finished difference Result 175 states and 225 transitions. [2022-11-16 11:16:35,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:35,637 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 [2022-11-16 11:16:35,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:35,638 INFO L225 Difference]: With dead ends: 175 [2022-11-16 11:16:35,638 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:16:35,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:35,640 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:35,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2022-11-16 11:16:35,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:16:35,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:16:35,641 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) [2022-11-16 11:16:35,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:16:35,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-11-16 11:16:35,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:35,642 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:16:35,642 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) [2022-11-16 11:16:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:16:35,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:16:35,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:16:35,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:16:35,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:16:35,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:16:36,844 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 188) no Hoare annotation was computed. [2022-11-16 11:16:36,844 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 177 195) no Hoare annotation was computed. [2022-11-16 11:16:36,844 INFO L902 garLoopResultBuilder]: At program point L184-1(lines 177 195) the Hoare annotation is: true [2022-11-16 11:16:36,844 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2022-11-16 11:16:36,844 INFO L902 garLoopResultBuilder]: At program point L189-1(lines 177 195) the Hoare annotation is: true [2022-11-16 11:16:36,845 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2022-11-16 11:16:36,845 INFO L902 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 177 195) the Hoare annotation is: true [2022-11-16 11:16:36,845 INFO L899 garLoopResultBuilder]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2022-11-16 11:16:36,845 INFO L902 garLoopResultBuilder]: At program point L179-2(lines 179 183) the Hoare annotation is: true [2022-11-16 11:16:36,845 INFO L899 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 177 195) no Hoare annotation was computed. [2022-11-16 11:16:36,845 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 533) no Hoare annotation was computed. [2022-11-16 11:16:36,845 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2022-11-16 11:16:36,845 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 533) no Hoare annotation was computed. [2022-11-16 11:16:36,846 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2022-11-16 11:16:36,846 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 368) no Hoare annotation was computed. [2022-11-16 11:16:36,846 INFO L895 garLoopResultBuilder]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2022-11-16 11:16:36,846 INFO L899 garLoopResultBuilder]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2022-11-16 11:16:36,846 INFO L895 garLoopResultBuilder]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2022-11-16 11:16:36,846 INFO L899 garLoopResultBuilder]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2022-11-16 11:16:36,846 INFO L899 garLoopResultBuilder]: For program point L600(lines 600 603) no Hoare annotation was computed. [2022-11-16 11:16:36,846 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 502) no Hoare annotation was computed. [2022-11-16 11:16:36,846 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 410) no Hoare annotation was computed. [2022-11-16 11:16:36,846 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2022-11-16 11:16:36,847 INFO L899 garLoopResultBuilder]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2022-11-16 11:16:36,847 INFO L895 garLoopResultBuilder]: At program point L303-2(lines 303 307) the Hoare annotation is: (and (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~x#1| (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2022-11-16 11:16:36,847 INFO L899 garLoopResultBuilder]: For program point L601(line 601) no Hoare annotation was computed. [2022-11-16 11:16:36,847 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 243) no Hoare annotation was computed. [2022-11-16 11:16:36,847 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2022-11-16 11:16:36,847 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 140) no Hoare annotation was computed. [2022-11-16 11:16:36,847 INFO L895 garLoopResultBuilder]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2022-11-16 11:16:36,847 INFO L899 garLoopResultBuilder]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2022-11-16 11:16:36,848 INFO L899 garLoopResultBuilder]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2022-11-16 11:16:36,848 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2022-11-16 11:16:36,848 INFO L895 garLoopResultBuilder]: At program point L503-1(lines 297 586) the Hoare annotation is: false [2022-11-16 11:16:36,848 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 343) no Hoare annotation was computed. [2022-11-16 11:16:36,848 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-11-16 11:16:36,848 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2022-11-16 11:16:36,848 INFO L895 garLoopResultBuilder]: At program point L438-1(lines 398 499) the Hoare annotation is: false [2022-11-16 11:16:36,848 INFO L899 garLoopResultBuilder]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2022-11-16 11:16:36,848 INFO L895 garLoopResultBuilder]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2022-11-16 11:16:36,849 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: false [2022-11-16 11:16:36,849 INFO L899 garLoopResultBuilder]: For program point L240-1(line 240) no Hoare annotation was computed. [2022-11-16 11:16:36,849 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 550) no Hoare annotation was computed. [2022-11-16 11:16:36,849 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2022-11-16 11:16:36,849 INFO L895 garLoopResultBuilder]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2022-11-16 11:16:36,849 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2022-11-16 11:16:36,849 INFO L899 garLoopResultBuilder]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2022-11-16 11:16:36,849 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2022-11-16 11:16:36,849 INFO L895 garLoopResultBuilder]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2022-11-16 11:16:36,850 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 374) no Hoare annotation was computed. [2022-11-16 11:16:36,850 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 343) no Hoare annotation was computed. [2022-11-16 11:16:36,850 INFO L895 garLoopResultBuilder]: At program point L175(lines 111 176) the Hoare annotation is: false [2022-11-16 11:16:36,850 INFO L902 garLoopResultBuilder]: At program point L605(lines 588 606) the Hoare annotation is: true [2022-11-16 11:16:36,850 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2022-11-16 11:16:36,850 INFO L895 garLoopResultBuilder]: At program point L308-1(lines 297 586) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7|) (_ bv0 32))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 1.0))) (and (= .cse0 |ULTIMATE.start___ieee754_powf_~hx~3#1|) (= (fp.neg .cse1) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode .cse1 (_ +zero 8 24)))))) (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2022-11-16 11:16:36,850 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2022-11-16 11:16:36,850 INFO L895 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: false [2022-11-16 11:16:36,853 INFO L899 garLoopResultBuilder]: For program point L242-1(line 242) no Hoare annotation was computed. [2022-11-16 11:16:36,854 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 499) no Hoare annotation was computed. [2022-11-16 11:16:36,854 INFO L899 garLoopResultBuilder]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2022-11-16 11:16:36,854 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2022-11-16 11:16:36,854 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2022-11-16 11:16:36,854 INFO L895 garLoopResultBuilder]: At program point L508-1(lines 297 586) the Hoare annotation is: false [2022-11-16 11:16:36,855 INFO L895 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2022-11-16 11:16:36,855 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2022-11-16 11:16:36,855 INFO L899 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2022-11-16 11:16:36,855 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2022-11-16 11:16:36,855 INFO L895 garLoopResultBuilder]: At program point L443-1(lines 398 499) the Hoare annotation is: false [2022-11-16 11:16:36,855 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 378) no Hoare annotation was computed. [2022-11-16 11:16:36,856 INFO L899 garLoopResultBuilder]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2022-11-16 11:16:36,856 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 213) no Hoare annotation was computed. [2022-11-16 11:16:36,856 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2022-11-16 11:16:36,856 INFO L895 garLoopResultBuilder]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2022-11-16 11:16:36,856 INFO L899 garLoopResultBuilder]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2022-11-16 11:16:36,857 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 481) no Hoare annotation was computed. [2022-11-16 11:16:36,857 INFO L895 garLoopResultBuilder]: At program point L477-1(lines 398 499) the Hoare annotation is: false [2022-11-16 11:16:36,857 INFO L899 garLoopResultBuilder]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2022-11-16 11:16:36,857 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 350) no Hoare annotation was computed. [2022-11-16 11:16:36,857 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2022-11-16 11:16:36,858 INFO L899 garLoopResultBuilder]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2022-11-16 11:16:36,858 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 584) no Hoare annotation was computed. [2022-11-16 11:16:36,858 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 380) no Hoare annotation was computed. [2022-11-16 11:16:36,858 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 349) no Hoare annotation was computed. [2022-11-16 11:16:36,859 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 215) no Hoare annotation was computed. [2022-11-16 11:16:36,859 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2022-11-16 11:16:36,860 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2022-11-16 11:16:36,860 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2022-11-16 11:16:36,860 INFO L895 garLoopResultBuilder]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2022-11-16 11:16:36,860 INFO L899 garLoopResultBuilder]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2022-11-16 11:16:36,860 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 226) no Hoare annotation was computed. [2022-11-16 11:16:36,861 INFO L899 garLoopResultBuilder]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2022-11-16 11:16:36,861 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 548) no Hoare annotation was computed. [2022-11-16 11:16:36,862 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2022-11-16 11:16:36,863 INFO L895 garLoopResultBuilder]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2022-11-16 11:16:36,863 INFO L899 garLoopResultBuilder]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2022-11-16 11:16:36,864 INFO L899 garLoopResultBuilder]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2022-11-16 11:16:36,864 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 423) no Hoare annotation was computed. [2022-11-16 11:16:36,865 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 317) no Hoare annotation was computed. [2022-11-16 11:16:36,865 INFO L895 garLoopResultBuilder]: At program point L250(lines 201 251) the Hoare annotation is: false [2022-11-16 11:16:36,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:16:36,865 INFO L899 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2022-11-16 11:16:36,866 INFO L895 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2022-11-16 11:16:36,866 INFO L899 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2022-11-16 11:16:36,866 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2022-11-16 11:16:36,866 INFO L895 garLoopResultBuilder]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2022-11-16 11:16:36,866 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-11-16 11:16:36,866 INFO L899 garLoopResultBuilder]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2022-11-16 11:16:36,867 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 352) no Hoare annotation was computed. [2022-11-16 11:16:36,867 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 324) no Hoare annotation was computed. [2022-11-16 11:16:36,867 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 356) no Hoare annotation was computed. [2022-11-16 11:16:36,867 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 323) no Hoare annotation was computed. [2022-11-16 11:16:36,867 INFO L899 garLoopResultBuilder]: For program point L353-2(lines 353 356) no Hoare annotation was computed. [2022-11-16 11:16:36,867 INFO L899 garLoopResultBuilder]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2022-11-16 11:16:36,868 INFO L895 garLoopResultBuilder]: At program point L254-2(lines 254 258) the Hoare annotation is: false [2022-11-16 11:16:36,869 INFO L895 garLoopResultBuilder]: At program point L585(lines 297 586) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (= ~one_pow~0 .cse0) (= .cse0 |ULTIMATE.start___ieee754_powf_#res#1|))) [2022-11-16 11:16:36,869 INFO L899 garLoopResultBuilder]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2022-11-16 11:16:36,869 INFO L895 garLoopResultBuilder]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2022-11-16 11:16:36,869 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 355) no Hoare annotation was computed. [2022-11-16 11:16:36,869 INFO L899 garLoopResultBuilder]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2022-11-16 11:16:36,870 INFO L895 garLoopResultBuilder]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2022-11-16 11:16:36,870 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 124) no Hoare annotation was computed. [2022-11-16 11:16:36,870 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:16:36,870 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2022-11-16 11:16:36,873 INFO L895 garLoopResultBuilder]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2022-11-16 11:16:36,873 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 225) no Hoare annotation was computed. [2022-11-16 11:16:36,874 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 167) no Hoare annotation was computed. [2022-11-16 11:16:36,874 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 534) no Hoare annotation was computed. [2022-11-16 11:16:36,874 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2022-11-16 11:16:36,874 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2022-11-16 11:16:36,875 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2022-11-16 11:16:36,875 INFO L895 garLoopResultBuilder]: At program point L424-1(lines 398 499) the Hoare annotation is: false [2022-11-16 11:16:36,875 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2022-11-16 11:16:36,875 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2022-11-16 11:16:36,875 INFO L895 garLoopResultBuilder]: At program point L259-1(lines 252 265) the Hoare annotation is: false [2022-11-16 11:16:36,876 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2022-11-16 11:16:36,876 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2022-11-16 11:16:36,876 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:16:36,876 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2022-11-16 11:16:36,876 INFO L895 garLoopResultBuilder]: At program point L557-1(lines 297 586) the Hoare annotation is: false [2022-11-16 11:16:36,877 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2022-11-16 11:16:36,877 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2022-11-16 11:16:36,877 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2022-11-16 11:16:36,877 INFO L895 garLoopResultBuilder]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2022-11-16 11:16:36,877 INFO L895 garLoopResultBuilder]: At program point L392-1(lines 375 398) the Hoare annotation is: false [2022-11-16 11:16:36,877 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 335) no Hoare annotation was computed. [2022-11-16 11:16:36,878 INFO L899 garLoopResultBuilder]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2022-11-16 11:16:36,878 INFO L899 garLoopResultBuilder]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2022-11-16 11:16:36,878 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 129) no Hoare annotation was computed. [2022-11-16 11:16:36,878 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 527) no Hoare annotation was computed. [2022-11-16 11:16:36,878 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 371) no Hoare annotation was computed. [2022-11-16 11:16:36,879 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 334) no Hoare annotation was computed. [2022-11-16 11:16:36,879 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 229) no Hoare annotation was computed. [2022-11-16 11:16:36,879 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 165) no Hoare annotation was computed. [2022-11-16 11:16:36,879 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2022-11-16 11:16:36,879 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2022-11-16 11:16:36,879 INFO L895 garLoopResultBuilder]: At program point L493-1(lines 398 499) the Hoare annotation is: false [2022-11-16 11:16:36,880 INFO L899 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2022-11-16 11:16:36,880 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: false [2022-11-16 11:16:36,880 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2022-11-16 11:16:36,880 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 363) no Hoare annotation was computed. [2022-11-16 11:16:36,880 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 334) no Hoare annotation was computed. [2022-11-16 11:16:36,880 INFO L899 garLoopResultBuilder]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2022-11-16 11:16:36,881 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 237) no Hoare annotation was computed. [2022-11-16 11:16:36,881 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:16:36,881 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 601) no Hoare annotation was computed. [2022-11-16 11:16:36,881 INFO L895 garLoopResultBuilder]: At program point L264(lines 252 265) the Hoare annotation is: false [2022-11-16 11:16:36,881 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2022-11-16 11:16:36,882 INFO L895 garLoopResultBuilder]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2022-11-16 11:16:36,884 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 136) no Hoare annotation was computed. [2022-11-16 11:16:36,884 INFO L899 garLoopResultBuilder]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2022-11-16 11:16:36,884 INFO L899 garLoopResultBuilder]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2022-11-16 11:16:36,884 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2022-11-16 11:16:36,884 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2022-11-16 11:16:36,885 INFO L895 garLoopResultBuilder]: At program point L463-1(lines 398 499) the Hoare annotation is: false [2022-11-16 11:16:36,885 INFO L899 garLoopResultBuilder]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2022-11-16 11:16:36,886 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 369) no Hoare annotation was computed. [2022-11-16 11:16:36,886 INFO L899 garLoopResultBuilder]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2022-11-16 11:16:36,886 INFO L895 garLoopResultBuilder]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2022-11-16 11:16:36,886 INFO L899 garLoopResultBuilder]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2022-11-16 11:16:36,887 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 368) no Hoare annotation was computed. [2022-11-16 11:16:36,887 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 333) no Hoare annotation was computed. [2022-11-16 11:16:36,891 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:36,894 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:16:36,927 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,930 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,930 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,933 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,933 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,933 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,935 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:36,936 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,937 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:36,937 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:36,951 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:36,954 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,955 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,956 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:36,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:36,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:36,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:36,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:36,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:16:36 BoogieIcfgContainer [2022-11-16 11:16:36,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:16:36,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:16:36,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:16:36,965 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:16:36,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:15:11" (3/4) ... [2022-11-16 11:16:36,969 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:16:36,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2022-11-16 11:16:37,003 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-16 11:16:37,003 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 11:16:37,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:16:37,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:16:37,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2022-11-16 11:16:37,081 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:16:37,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:16:37,082 INFO L158 Benchmark]: Toolchain (without parser) took 119685.89ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 42.7MB in the beginning and 53.5MB in the end (delta: -10.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:16:37,082 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:16:37,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.27ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 34.8MB in the end (delta: 7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:16:37,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.14ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 30.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:16:37,085 INFO L158 Benchmark]: Boogie Preprocessor took 155.03ms. Allocated memory is still 62.9MB. Free memory was 30.5MB in the beginning and 43.6MB in the end (delta: -13.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-11-16 11:16:37,086 INFO L158 Benchmark]: RCFGBuilder took 33286.53ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 43.6MB in the beginning and 54.2MB in the end (delta: -10.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-11-16 11:16:37,086 INFO L158 Benchmark]: TraceAbstraction took 85496.49ms. Allocated memory is still 81.8MB. Free memory was 53.2MB in the beginning and 58.4MB in the end (delta: -5.2MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-16 11:16:37,086 INFO L158 Benchmark]: Witness Printer took 117.02ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 53.5MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:16:37,093 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.27ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 34.8MB in the end (delta: 7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.14ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 30.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.03ms. Allocated memory is still 62.9MB. Free memory was 30.5MB in the beginning and 43.6MB in the end (delta: -13.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * RCFGBuilder took 33286.53ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 43.6MB in the beginning and 54.2MB in the end (delta: -10.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * TraceAbstraction took 85496.49ms. Allocated memory is still 81.8MB. Free memory was 53.2MB in the beginning and 58.4MB in the end (delta: -5.2MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 117.02ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 53.5MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. 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[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[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,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_powf_~#gf_u~8#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,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_powf_~#gf_u~8#1.base_7,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_powf_~#gf_u~8#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,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: 601]: 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, 181 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 85.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 68.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 67.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 5165 SdHoareTripleChecker+Invalid, 66.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 249 IncrementalHoareTripleChecker+Unchecked, 3575 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1590 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 89 PreInvPairs, 93 NumberOfFragments, 130 HoareAnnotationTreeSize, 89 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 8.1s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 108 ConstructedInterpolants, 51 QuantifiedInterpolants, 1043 SizeOfPredicates, 50 NumberOfNonLiveVariables, 979 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == \result - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant [2022-11-16 11:16:37,130 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:37,131 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:37,131 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:37,131 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:37,132 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:37,132 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant [2022-11-16 11:16:37,133 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:37,133 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:37,133 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:37,133 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:37,134 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:37,134 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:37,134 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:37,135 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:37,135 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:37,135 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:37,135 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:37,135 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7,QUANTIFIED] [2022-11-16 11:16:37,136 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:16:37,136 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7 : bv32, currentRoundingMode : FloatRoundingMode :: (unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7][0bv32] == hx && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_powf_~#gf_u~8#1.base_7][0bv32][22:0])) && y == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:16:37,360 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-16 11:16:37,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68b4832c-a275-4c15-bfa2-5fbb798d0465/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE