./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc --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 2b4beb2d56fd26727d06ab5e32646878129bf03feaf41ed8f7c7126586310d6a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:19:08,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:19:08,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:19:08,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:19:08,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:19:08,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:19:08,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:19:08,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:19:08,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:19:08,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:19:08,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:19:08,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:19:08,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:19:08,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:19:08,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:19:08,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:19:08,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:19:08,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:19:08,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:19:08,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:19:08,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:19:08,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:19:08,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:19:08,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:19:08,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:19:08,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:19:08,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:19:08,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:19:08,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:19:08,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:19:08,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:19:08,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:19:08,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:19:08,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:19:08,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:19:08,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:19:08,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:19:08,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:19:08,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:19:08,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:19:08,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:19:08,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:19:08,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:19:08,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:19:08,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:19:08,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:19:08,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:19:08,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:19:08,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:19:08,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:19:08,868 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:19:08,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:19:08,868 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:19:08,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:19:08,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:19:08,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:19:08,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:19:08,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:19:08,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:19:08,870 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:19:08,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:19:08,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:19:08,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:19:08,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:19:08,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:19:08,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:19:08,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:19:08,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:19:08,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:19:08,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:19:08,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:19:08,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:19:08,878 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:19:08,878 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:19:08,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:19:08,879 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_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4beb2d56fd26727d06ab5e32646878129bf03feaf41ed8f7c7126586310d6a [2022-11-02 20:19:09,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:19:09,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:19:09,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:19:09,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:19:09,227 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:19:09,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2022-11-02 20:19:09,303 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/data/f3fdc656c/c14a24b5e30c47b583aa3e80093dd5d1/FLAG6de536917 [2022-11-02 20:19:09,842 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:19:09,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2022-11-02 20:19:09,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/data/f3fdc656c/c14a24b5e30c47b583aa3e80093dd5d1/FLAG6de536917 [2022-11-02 20:19:10,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/data/f3fdc656c/c14a24b5e30c47b583aa3e80093dd5d1 [2022-11-02 20:19:10,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:19:10,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:19:10,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:19:10,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:19:10,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:19:10,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202c5d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10, skipping insertion in model container [2022-11-02 20:19:10,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:19:10,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:19:10,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2022-11-02 20:19:10,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:19:10,539 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:19:10,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2022-11-02 20:19:10,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:19:10,621 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:19:10,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10 WrapperNode [2022-11-02 20:19:10,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:19:10,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:19:10,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:19:10,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:19:10,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,701 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 187 [2022-11-02 20:19:10,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:19:10,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:19:10,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:19:10,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:19:10,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,761 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:19:10,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:19:10,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:19:10,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:19:10,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (1/1) ... [2022-11-02 20:19:10,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:19:10,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:10,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:10,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:19:10,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:19:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:19:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:19:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:19:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-02 20:19:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-02 20:19:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:19:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:19:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:19:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-02 20:19:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:19:10,978 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:19:10,980 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:19:11,300 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:19:11,306 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:19:11,306 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-02 20:19:11,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:19:11 BoogieIcfgContainer [2022-11-02 20:19:11,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:19:11,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:19:11,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:19:11,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:19:11,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:19:10" (1/3) ... [2022-11-02 20:19:11,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502d18d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:19:11, skipping insertion in model container [2022-11-02 20:19:11,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:10" (2/3) ... [2022-11-02 20:19:11,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502d18d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:19:11, skipping insertion in model container [2022-11-02 20:19:11,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:19:11" (3/3) ... [2022-11-02 20:19:11,317 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2022-11-02 20:19:11,336 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:19:11,336 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:19:11,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:19:11,397 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;@7b77982c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:19:11,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:19:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 46 states have (on average 1.7391304347826086) internal successors, (80), 47 states have internal predecessors, (80), 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) [2022-11-02 20:19:11,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 20:19:11,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:11,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:11,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:11,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:11,417 INFO L85 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2022-11-02 20:19:11,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:11,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000038174] [2022-11-02 20:19:11,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:11,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:11,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:19:11,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000038174] [2022-11-02 20:19:11,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000038174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:11,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:11,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:19:11,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746590258] [2022-11-02 20:19:11,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:11,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:19:11,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:19:11,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:19:11,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:19:11,674 INFO L87 Difference]: Start difference. First operand has 48 states, 46 states have (on average 1.7391304347826086) internal successors, (80), 47 states have internal predecessors, (80), 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2022-11-02 20:19:11,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:11,710 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2022-11-02 20:19:11,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:19:11,714 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 [2022-11-02 20:19:11,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:11,725 INFO L225 Difference]: With dead ends: 93 [2022-11-02 20:19:11,725 INFO L226 Difference]: Without dead ends: 44 [2022-11-02 20:19:11,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:19:11,736 INFO L413 NwaCegarLoop]: 65 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, 65 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 [2022-11-02 20:19:11,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:19:11,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-02 20:19:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-02 20:19:11,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 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) [2022-11-02 20:19:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2022-11-02 20:19:11,798 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2022-11-02 20:19:11,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:11,799 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2022-11-02 20:19:11,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2022-11-02 20:19:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-11-02 20:19:11,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-02 20:19:11,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:11,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:11,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:19:11,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:11,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:11,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2022-11-02 20:19:11,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:11,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264913609] [2022-11-02 20:19:11,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:11,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:11,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:19:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:12,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:19:12,063 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:19:12,065 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:19:12,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:19:12,077 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-02 20:19:12,081 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:19:12,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:19:12 BoogieIcfgContainer [2022-11-02 20:19:12,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:19:12,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:19:12,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:19:12,127 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:19:12,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:19:11" (3/4) ... [2022-11-02 20:19:12,131 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:19:12,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:19:12,133 INFO L158 Benchmark]: Toolchain (without parser) took 1955.92ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 56.4MB in the beginning and 86.1MB in the end (delta: -29.7MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2022-11-02 20:19:12,134 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:19:12,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.54ms. Allocated memory is still 98.6MB. Free memory was 56.1MB in the beginning and 70.7MB in the end (delta: -14.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:19:12,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.74ms. Allocated memory is still 98.6MB. Free memory was 70.7MB in the beginning and 68.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:19:12,141 INFO L158 Benchmark]: Boogie Preprocessor took 67.30ms. Allocated memory is still 98.6MB. Free memory was 68.3MB in the beginning and 66.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:19:12,142 INFO L158 Benchmark]: RCFGBuilder took 535.29ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 47.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:19:12,142 INFO L158 Benchmark]: TraceAbstraction took 815.43ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 46.9MB in the beginning and 86.9MB in the end (delta: -40.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:19:12,142 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 130.0MB. Free memory was 86.9MB in the beginning and 86.1MB in the end (delta: 841.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:19:12,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.54ms. Allocated memory is still 98.6MB. Free memory was 56.1MB in the beginning and 70.7MB in the end (delta: -14.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.74ms. Allocated memory is still 98.6MB. Free memory was 70.7MB in the beginning and 68.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.30ms. Allocated memory is still 98.6MB. Free memory was 68.3MB in the beginning and 66.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 535.29ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 47.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 815.43ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 46.9MB in the beginning and 86.9MB in the end (delta: -40.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 130.0MB. Free memory was 86.9MB in the beginning and 86.1MB in the end (delta: 841.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 137]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of bitwiseXOr at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L128] float x = 0.0f; [L129] float y = __VERIFIER_nondet_float(); [L131] COND TRUE (y < 0.0f || y > 0.0f) [L133] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=0, \old(y)=4294967306, one_fmod=1, x=0, y=4294967306, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=0, \old(y)=4294967306, hx=0, hy=2139095041, one_fmod=1, sx=7, x=0, y=4294967306, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=0, \old(y)=4294967306, hx=0, hy=2139095041, one_fmod=1, sx=7, x=0, y=4294967306, Zero_fmod={4:0}] [L133] RET, EXPR fmod_float(x, y) [L133] float res = fmod_float(x, y); [L136] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, res=4294967307, res == 0.0f && __signbit_float(res) == 0=0, x=0, y=4294967306, Zero_fmod={4:0}] [L136] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L137] reach_error() VAL [one_fmod=1, res=4294967307, x=0, y=4294967306, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 65 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 20:19:12,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc --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 2b4beb2d56fd26727d06ab5e32646878129bf03feaf41ed8f7c7126586310d6a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:19:14,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:19:14,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:19:14,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:19:14,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:19:14,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:19:14,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:19:14,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:19:14,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:19:14,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:19:14,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:19:14,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:19:14,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:19:14,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:19:14,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:19:14,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:19:14,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:19:14,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:19:14,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:19:14,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:19:14,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:19:14,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:19:14,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:19:14,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:19:14,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:19:14,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:19:14,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:19:14,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:19:14,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:19:14,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:19:14,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:19:14,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:19:14,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:19:14,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:19:14,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:19:14,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:19:14,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:19:14,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:19:14,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:19:14,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:19:14,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:19:14,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-02 20:19:14,881 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:19:14,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:19:14,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:19:14,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:19:14,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:19:14,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:19:14,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:19:14,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:19:14,886 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:19:14,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:19:14,888 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:19:14,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:19:14,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:19:14,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:19:14,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:19:14,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:19:14,889 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:19:14,890 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:19:14,890 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:19:14,890 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:19:14,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:19:14,891 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:19:14,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:19:14,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:19:14,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:19:14,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:19:14,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:19:14,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:19:14,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:19:14,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:19:14,894 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:19:14,894 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:19:14,895 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:19:14,895 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:19:14,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:19:14,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:19:14,896 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_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4beb2d56fd26727d06ab5e32646878129bf03feaf41ed8f7c7126586310d6a [2022-11-02 20:19:15,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:19:15,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:19:15,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:19:15,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:19:15,378 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:19:15,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2022-11-02 20:19:15,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/data/1ecd4328e/2ba60c1fa5f242749e9cfef261bc3e9f/FLAGbd239b0e3 [2022-11-02 20:19:16,052 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:19:16,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2022-11-02 20:19:16,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/data/1ecd4328e/2ba60c1fa5f242749e9cfef261bc3e9f/FLAGbd239b0e3 [2022-11-02 20:19:16,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/data/1ecd4328e/2ba60c1fa5f242749e9cfef261bc3e9f [2022-11-02 20:19:16,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:19:16,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:19:16,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:19:16,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:19:16,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:19:16,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35369f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16, skipping insertion in model container [2022-11-02 20:19:16,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:19:16,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:19:16,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2022-11-02 20:19:16,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:19:16,685 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:19:16,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2022-11-02 20:19:16,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:19:16,781 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:19:16,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16 WrapperNode [2022-11-02 20:19:16,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:19:16,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:19:16,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:19:16,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:19:16,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,834 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 187 [2022-11-02 20:19:16,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:19:16,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:19:16,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:19:16,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:19:16,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:19:16,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:19:16,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:19:16,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:19:16,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (1/1) ... [2022-11-02 20:19:16,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:19:16,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:16,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:16,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:19:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:19:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-02 20:19:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-02 20:19:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:19:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-02 20:19:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-02 20:19:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:19:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:19:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-02 20:19:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-02 20:19:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:19:17,130 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:19:17,132 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:19:19,073 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:19:19,080 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:19:19,080 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-02 20:19:19,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:19:19 BoogieIcfgContainer [2022-11-02 20:19:19,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:19:19,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:19:19,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:19:19,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:19:19,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:19:16" (1/3) ... [2022-11-02 20:19:19,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7046b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:19:19, skipping insertion in model container [2022-11-02 20:19:19,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:16" (2/3) ... [2022-11-02 20:19:19,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7046b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:19:19, skipping insertion in model container [2022-11-02 20:19:19,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:19:19" (3/3) ... [2022-11-02 20:19:19,092 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2022-11-02 20:19:19,112 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:19:19,112 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:19:19,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:19:19,166 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;@681e37aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:19:19,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:19:19,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 46 states have (on average 1.7391304347826086) internal successors, (80), 47 states have internal predecessors, (80), 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) [2022-11-02 20:19:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 20:19:19,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:19,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:19,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:19,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:19,183 INFO L85 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2022-11-02 20:19:19,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:19:19,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009045516] [2022-11-02 20:19:19,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:19,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:19:19,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:19:19,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:19:19,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:19:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:19,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-02 20:19:19,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:19,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:19:19,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:19:19,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009045516] [2022-11-02 20:19:19,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009045516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:19,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:19,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:19:19,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493706168] [2022-11-02 20:19:19,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:19,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:19:19,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:19:19,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:19:19,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:19:19,631 INFO L87 Difference]: Start difference. First operand has 48 states, 46 states have (on average 1.7391304347826086) internal successors, (80), 47 states have internal predecessors, (80), 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2022-11-02 20:19:19,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:19,652 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2022-11-02 20:19:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:19:19,654 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 [2022-11-02 20:19:19,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:19,664 INFO L225 Difference]: With dead ends: 93 [2022-11-02 20:19:19,664 INFO L226 Difference]: Without dead ends: 44 [2022-11-02 20:19:19,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:19:19,671 INFO L413 NwaCegarLoop]: 65 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, 65 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 [2022-11-02 20:19:19,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:19:19,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-02 20:19:19,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-02 20:19:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 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) [2022-11-02 20:19:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2022-11-02 20:19:19,701 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2022-11-02 20:19:19,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:19,702 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2022-11-02 20:19:19,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2022-11-02 20:19:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-11-02 20:19:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-02 20:19:19,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:19,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:19,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:19,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:19:19,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:19,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:19,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2022-11-02 20:19:19,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:19:19,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035501778] [2022-11-02 20:19:19,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:19,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:19:19,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:19:19,913 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:19:19,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:19:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:20,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-02 20:19:20,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:20,444 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:19:20,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-02 20:19:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:21,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:19:21,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:19:21,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035501778] [2022-11-02 20:19:21,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035501778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:21,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:21,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:19:21,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116276497] [2022-11-02 20:19:21,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:21,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:19:21,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:19:21,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:19:21,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:19:21,042 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2022-11-02 20:19:21,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:21,538 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2022-11-02 20:19:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:19:21,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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 [2022-11-02 20:19:21,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:21,540 INFO L225 Difference]: With dead ends: 53 [2022-11-02 20:19:21,541 INFO L226 Difference]: Without dead ends: 44 [2022-11-02 20:19:21,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:19:21,542 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 5 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:19:21,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 212 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 28 Unchecked, 0.3s Time] [2022-11-02 20:19:21,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-02 20:19:21,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-02 20:19:21,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.372093023255814) internal successors, (59), 43 states have internal predecessors, (59), 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) [2022-11-02 20:19:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2022-11-02 20:19:21,560 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 13 [2022-11-02 20:19:21,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:21,562 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2022-11-02 20:19:21,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2022-11-02 20:19:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-11-02 20:19:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-02 20:19:21,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:21,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:21,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:21,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:19:21,772 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:21,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:21,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2022-11-02 20:19:21,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:19:21,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221120963] [2022-11-02 20:19:21,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:21,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:19:21,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:19:21,775 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:19:21,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:19:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:21,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:19:21,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:22,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:19:22,044 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:19:22,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221120963] [2022-11-02 20:19:22,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221120963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:22,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:22,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:19:22,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974329318] [2022-11-02 20:19:22,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:22,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:19:22,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:19:22,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:19:22,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:19:22,047 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-11-02 20:19:22,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:22,819 INFO L93 Difference]: Finished difference Result 65 states and 79 transitions. [2022-11-02 20:19:22,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:19:22,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2022-11-02 20:19:22,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:22,820 INFO L225 Difference]: With dead ends: 65 [2022-11-02 20:19:22,820 INFO L226 Difference]: Without dead ends: 62 [2022-11-02 20:19:22,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:19:22,822 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 140 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:19:22,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 169 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:19:22,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-02 20:19:22,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 46. [2022-11-02 20:19:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 45 states have internal predecessors, (61), 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) [2022-11-02 20:19:22,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2022-11-02 20:19:22,835 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 14 [2022-11-02 20:19:22,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:22,836 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2022-11-02 20:19:22,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-11-02 20:19:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-11-02 20:19:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-02 20:19:22,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:22,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:22,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:23,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:19:23,051 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:23,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:23,051 INFO L85 PathProgramCache]: Analyzing trace with hash 791016935, now seen corresponding path program 1 times [2022-11-02 20:19:23,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:19:23,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314934533] [2022-11-02 20:19:23,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:23,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:19:23,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:19:23,054 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:19:23,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 20:19:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:23,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 20:19:23,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:23,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:19:23,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:19:23,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314934533] [2022-11-02 20:19:23,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314934533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:23,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:23,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:19:23,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966203519] [2022-11-02 20:19:23,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:23,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:19:23,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:19:23,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:19:23,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:19:23,504 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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) [2022-11-02 20:19:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:23,854 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-11-02 20:19:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:19:23,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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 [2022-11-02 20:19:23,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:23,856 INFO L225 Difference]: With dead ends: 55 [2022-11-02 20:19:23,856 INFO L226 Difference]: Without dead ends: 46 [2022-11-02 20:19:23,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:19:23,857 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 9 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:19:23,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 198 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 29 Unchecked, 0.2s Time] [2022-11-02 20:19:23,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-02 20:19:23,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-02 20:19:23,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 45 states have internal predecessors, (60), 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) [2022-11-02 20:19:23,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2022-11-02 20:19:23,862 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 15 [2022-11-02 20:19:23,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:23,862 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2022-11-02 20:19:23,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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) [2022-11-02 20:19:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2022-11-02 20:19:23,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 20:19:23,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:23,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:23,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:24,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:19:24,085 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:24,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:24,085 INFO L85 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2022-11-02 20:19:24,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:19:24,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134172091] [2022-11-02 20:19:24,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:24,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:19:24,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:19:24,087 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:19:24,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 20:19:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:24,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-02 20:19:24,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:24,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:19:24,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:19:24,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2134172091] [2022-11-02 20:19:24,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2134172091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:24,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:24,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:19:24,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171597268] [2022-11-02 20:19:24,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:24,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 20:19:24,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:19:24,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:19:24,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:19:24,556 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2022-11-02 20:19:25,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:25,403 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2022-11-02 20:19:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:19:25,404 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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 [2022-11-02 20:19:25,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:25,404 INFO L225 Difference]: With dead ends: 62 [2022-11-02 20:19:25,404 INFO L226 Difference]: Without dead ends: 53 [2022-11-02 20:19:25,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:19:25,406 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 141 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:19:25,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 366 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:19:25,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-02 20:19:25,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2022-11-02 20:19:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 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) [2022-11-02 20:19:25,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2022-11-02 20:19:25,412 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 18 [2022-11-02 20:19:25,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:25,413 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2022-11-02 20:19:25,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2022-11-02 20:19:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2022-11-02 20:19:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 20:19:25,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:25,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:25,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:25,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:19:25,628 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:25,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:25,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1896589553, now seen corresponding path program 1 times [2022-11-02 20:19:25,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:19:25,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902876834] [2022-11-02 20:19:25,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:25,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:19:25,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:19:25,631 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:19:25,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 20:19:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:25,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 20:19:25,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:25,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:19:25,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:19:25,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902876834] [2022-11-02 20:19:25,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902876834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:25,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:25,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:19:25,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277529654] [2022-11-02 20:19:25,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:25,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:19:25,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:19:25,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:19:25,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:19:25,901 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:19:26,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:26,418 INFO L93 Difference]: Finished difference Result 101 states and 131 transitions. [2022-11-02 20:19:26,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:19:26,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-02 20:19:26,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:26,419 INFO L225 Difference]: With dead ends: 101 [2022-11-02 20:19:26,419 INFO L226 Difference]: Without dead ends: 71 [2022-11-02 20:19:26,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:19:26,421 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 132 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:19:26,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 103 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:19:26,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-02 20:19:26,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 52. [2022-11-02 20:19:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 51 states have internal predecessors, (68), 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) [2022-11-02 20:19:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 68 transitions. [2022-11-02 20:19:26,428 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 68 transitions. Word has length 24 [2022-11-02 20:19:26,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:26,429 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 68 transitions. [2022-11-02 20:19:26,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:19:26,429 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-11-02 20:19:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:19:26,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:26,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:26,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:26,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:19:26,643 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:26,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:26,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1844332961, now seen corresponding path program 1 times [2022-11-02 20:19:26,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:19:26,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278841705] [2022-11-02 20:19:26,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:26,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:19:26,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:19:26,645 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:19:26,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 20:19:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:26,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 20:19:26,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:27,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:27,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:19:27,170 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:19:27,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278841705] [2022-11-02 20:19:27,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278841705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:27,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:27,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:19:27,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446717450] [2022-11-02 20:19:27,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:27,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:19:27,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:19:27,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:19:27,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:19:27,172 INFO L87 Difference]: Start difference. First operand 52 states and 68 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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) [2022-11-02 20:19:27,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:27,701 INFO L93 Difference]: Finished difference Result 96 states and 125 transitions. [2022-11-02 20:19:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:19:27,702 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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 25 [2022-11-02 20:19:27,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:27,702 INFO L225 Difference]: With dead ends: 96 [2022-11-02 20:19:27,703 INFO L226 Difference]: Without dead ends: 61 [2022-11-02 20:19:27,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:19:27,704 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 20 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:19:27,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 248 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 16 Unchecked, 0.4s Time] [2022-11-02 20:19:27,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-02 20:19:27,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 52. [2022-11-02 20:19:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 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) [2022-11-02 20:19:27,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2022-11-02 20:19:27,717 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 25 [2022-11-02 20:19:27,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:27,718 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2022-11-02 20:19:27,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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) [2022-11-02 20:19:27,718 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2022-11-02 20:19:27,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:19:27,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:27,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:27,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-02 20:19:27,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:19:27,933 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:27,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:27,933 INFO L85 PathProgramCache]: Analyzing trace with hash 101160342, now seen corresponding path program 1 times [2022-11-02 20:19:27,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:19:27,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618469989] [2022-11-02 20:19:27,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:27,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:19:27,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:19:27,935 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:19:27,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-02 20:19:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:28,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:19:28,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:28,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:28,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:19:28,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:19:28,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618469989] [2022-11-02 20:19:28,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618469989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:28,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:28,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:19:28,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445957920] [2022-11-02 20:19:28,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:28,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:19:28,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:19:28,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:19:28,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:19:28,390 INFO L87 Difference]: Start difference. First operand 52 states and 67 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-02 20:19:28,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:28,394 INFO L93 Difference]: Finished difference Result 88 states and 117 transitions. [2022-11-02 20:19:28,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:19:28,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2022-11-02 20:19:28,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:28,397 INFO L225 Difference]: With dead ends: 88 [2022-11-02 20:19:28,397 INFO L226 Difference]: Without dead ends: 53 [2022-11-02 20:19:28,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:19:28,398 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 132 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 [2022-11-02 20:19:28,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 132 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2022-11-02 20:19:28,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-02 20:19:28,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-02 20:19:28,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 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) [2022-11-02 20:19:28,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-02 20:19:28,415 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 26 [2022-11-02 20:19:28,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:28,415 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-02 20:19:28,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-02 20:19:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-02 20:19:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 20:19:28,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:28,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:28,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:28,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:19:28,628 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:28,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:28,628 INFO L85 PathProgramCache]: Analyzing trace with hash 305949144, now seen corresponding path program 1 times [2022-11-02 20:19:28,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:19:28,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123175523] [2022-11-02 20:19:28,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:28,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:19:28,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:19:28,630 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:19:28,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-02 20:19:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:28,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-02 20:19:28,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:19:29,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:19:29,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:19:29,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123175523] [2022-11-02 20:19:29,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2123175523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:29,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:29,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:19:29,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433181790] [2022-11-02 20:19:29,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:29,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:19:29,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:19:29,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:19:29,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:19:29,363 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2022-11-02 20:19:29,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:29,529 INFO L93 Difference]: Finished difference Result 53 states and 68 transitions. [2022-11-02 20:19:29,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:19:29,529 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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 28 [2022-11-02 20:19:29,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:29,530 INFO L225 Difference]: With dead ends: 53 [2022-11-02 20:19:29,530 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:19:29,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:19:29,531 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:19:29,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 36 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2022-11-02 20:19:29,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:19:29,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:19:29,533 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) [2022-11-02 20:19:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:19:29,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-02 20:19:29,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:29,533 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:19:29,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2022-11-02 20:19:29,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:19:29,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:19:29,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:19:29,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:29,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:19:29,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:19:30,378 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2022-11-02 20:19:30,378 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2022-11-02 20:19:30,378 INFO L895 garLoopResultBuilder]: At program point L27-1(lines 19 107) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24)) (= .cse0 |ULTIMATE.start_fmod_float_~hx~0#1|)))) (or (fp.lt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (fp.gt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)))) [2022-11-02 20:19:30,378 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2022-11-02 20:19:30,379 INFO L895 garLoopResultBuilder]: At program point L118(lines 109 119) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_~x#1| (_ +zero 8 24)) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv0 32)) (= (_ +zero 8 24) |ULTIMATE.start_fmod_float_#res#1|) (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= |ULTIMATE.start_main_~res~0#1| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short16#1| (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (= (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|)) (_ +zero 8 24))) [2022-11-02 20:19:30,379 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-11-02 20:19:30,379 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-11-02 20:19:30,379 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2022-11-02 20:19:30,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:19:30,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:19:30,379 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 80) no Hoare annotation was computed. [2022-11-02 20:19:30,380 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2022-11-02 20:19:30,380 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-11-02 20:19:30,380 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2022-11-02 20:19:30,380 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2022-11-02 20:19:30,380 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2022-11-02 20:19:30,380 INFO L895 garLoopResultBuilder]: At program point L112-2(lines 112 116) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_~x#1| (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start_fmod_float_#res#1|) (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= |ULTIMATE.start_main_~res~0#1| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short16#1| (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|)) [2022-11-02 20:19:30,381 INFO L899 garLoopResultBuilder]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2022-11-02 20:19:30,381 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-11-02 20:19:30,381 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 39) no Hoare annotation was computed. [2022-11-02 20:19:30,381 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 105) no Hoare annotation was computed. [2022-11-02 20:19:30,381 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2022-11-02 20:19:30,381 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (or (fp.lt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (fp.gt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)))) [2022-11-02 20:19:30,382 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed. [2022-11-02 20:19:30,382 INFO L899 garLoopResultBuilder]: For program point L48(lines 19 107) no Hoare annotation was computed. [2022-11-02 20:19:30,382 INFO L895 garLoopResultBuilder]: At program point L106(lines 19 107) the Hoare annotation is: (and (= (_ +zero 8 24) |ULTIMATE.start_fmod_float_#res#1|) (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|)) [2022-11-02 20:19:30,382 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-11-02 20:19:30,382 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 140) no Hoare annotation was computed. [2022-11-02 20:19:30,382 INFO L899 garLoopResultBuilder]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2022-11-02 20:19:30,382 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:19:30,383 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2022-11-02 20:19:30,383 INFO L895 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2022-11-02 20:19:30,383 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2022-11-02 20:19:30,383 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2022-11-02 20:19:30,383 INFO L895 garLoopResultBuilder]: At program point L49-3(lines 49 50) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_fmod_float_~hx~0#1_39| (_ BitVec 32)) (|v_ULTIMATE.start_fmod_float_~hy~0#1_24| (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) |v_ULTIMATE.start_fmod_float_~hy~0#1_24|))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hx~0#1_39|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hx~0#1_39|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hx~0#1_39|)) (_ +zero 8 24)) (not (bvslt (bvxor (bvand |v_ULTIMATE.start_fmod_float_~hx~0#1_39| (_ bv2147483648 32)) |v_ULTIMATE.start_fmod_float_~hx~0#1_39|) .cse0)) (= |ULTIMATE.start_fmod_float_~i~0#1| (bvshl .cse0 (_ bv8 32)))))) (= (fp ((_ extract 31 31) |ULTIMATE.start_fmod_float_~hx~0#1|) ((_ extract 30 23) |ULTIMATE.start_fmod_float_~hx~0#1|) ((_ extract 22 0) |ULTIMATE.start_fmod_float_~hx~0#1|)) (_ +zero 8 24))) [2022-11-02 20:19:30,384 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2022-11-02 20:19:30,384 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2022-11-02 20:19:30,384 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:19:30,384 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2022-11-02 20:19:30,384 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2022-11-02 20:19:30,384 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2022-11-02 20:19:30,384 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2022-11-02 20:19:30,385 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2022-11-02 20:19:30,385 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2022-11-02 20:19:30,385 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2022-11-02 20:19:30,385 INFO L902 garLoopResultBuilder]: At program point L142(lines 121 143) the Hoare annotation is: true [2022-11-02 20:19:30,385 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-11-02 20:19:30,385 INFO L895 garLoopResultBuilder]: At program point L43-3(lines 43 44) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (exists ((|v_ULTIMATE.start_fmod_float_~hy~0#1_22| (_ BitVec 32))) (= (bvand (_ bv2147483647 32) |v_ULTIMATE.start_fmod_float_~hy~0#1_22|) |ULTIMATE.start_fmod_float_~hy~0#1|)) (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_fmod_float_~hx~0#1_38| (_ BitVec 32))) (and (not (bvslt (bvxor (bvand |v_ULTIMATE.start_fmod_float_~hx~0#1_38| (_ bv2147483648 32)) |v_ULTIMATE.start_fmod_float_~hx~0#1_38|) |ULTIMATE.start_fmod_float_~hy~0#1|)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hx~0#1_38|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hx~0#1_38|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hx~0#1_38|)) (_ +zero 8 24)))) (= (fp ((_ extract 31 31) |ULTIMATE.start_fmod_float_~hx~0#1|) ((_ extract 30 23) |ULTIMATE.start_fmod_float_~hx~0#1|) ((_ extract 22 0) |ULTIMATE.start_fmod_float_~hx~0#1|)) (_ +zero 8 24))) [2022-11-02 20:19:30,389 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:30,391 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:19:30,398 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] [2022-11-02 20:19:30,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] [2022-11-02 20:19:30,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,406 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,406 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,406 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] [2022-11-02 20:19:30,406 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] [2022-11-02 20:19:30,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,410 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,410 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_22,QUANTIFIED] [2022-11-02 20:19:30,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_22,QUANTIFIED] [2022-11-02 20:19:30,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:19:30 BoogieIcfgContainer [2022-11-02 20:19:30,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:19:30,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:19:30,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:19:30,417 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:19:30,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:19:19" (3/4) ... [2022-11-02 20:19:30,420 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:19:30,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-02 20:19:30,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-02 20:19:30,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:19:30,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:19:30,461 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:19:30,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:19:30,462 INFO L158 Benchmark]: Toolchain (without parser) took 14042.69ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 35.9MB in the beginning and 31.4MB in the end (delta: 4.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-11-02 20:19:30,462 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:19:30,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.74ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 40.3MB in the end (delta: -4.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:19:30,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.12ms. Allocated memory is still 58.7MB. Free memory was 40.1MB in the beginning and 38.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:19:30,463 INFO L158 Benchmark]: Boogie Preprocessor took 74.42ms. Allocated memory is still 58.7MB. Free memory was 38.0MB in the beginning and 36.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:19:30,464 INFO L158 Benchmark]: RCFGBuilder took 2169.27ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 32.1MB in the end (delta: 3.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-02 20:19:30,464 INFO L158 Benchmark]: TraceAbstraction took 11330.83ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 31.3MB in the beginning and 34.1MB in the end (delta: -2.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-02 20:19:30,465 INFO L158 Benchmark]: Witness Printer took 45.08ms. Allocated memory is still 83.9MB. Free memory was 34.1MB in the beginning and 31.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:19:30,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.74ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 40.3MB in the end (delta: -4.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.12ms. Allocated memory is still 58.7MB. Free memory was 40.1MB in the beginning and 38.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.42ms. Allocated memory is still 58.7MB. Free memory was 38.0MB in the beginning and 36.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2169.27ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 32.1MB in the end (delta: 3.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11330.83ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 31.3MB in the beginning and 34.1MB in the end (delta: -2.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Witness Printer took 45.08ms. Allocated memory is still 83.9MB. Free memory was 34.1MB in the beginning and 31.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. 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[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_22,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_22,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,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: 137]: 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 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 460 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 460 mSDsluCounter, 1529 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 111 IncrementalHoareTripleChecker+Unchecked, 1071 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 458 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=8, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 53 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 21 NumberOfFragments, 204 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 149 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 165 ConstructedInterpolants, 28 QuantifiedInterpolants, 1075 SizeOfPredicates, 56 NumberOfNonLiveVariables, 687 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 1/1 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: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant [2022-11-02 20:19:30,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] [2022-11-02 20:19:30,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] [2022-11-02 20:19:30,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_39,QUANTIFIED] [2022-11-02 20:19:30,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] [2022-11-02 20:19:30,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_24,QUANTIFIED] Derived loop invariant: ((x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_float_~hx~0#1_39 : bv32, v_ULTIMATE.start_fmod_float_~hy~0#1_24 : bv32 :: (~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0#1_39[31:31], v_ULTIMATE.start_fmod_float_~hx~0#1_39[30:23], v_ULTIMATE.start_fmod_float_~hx~0#1_39[22:0]) == ~Pluszero~LONGDOUBLE() && !~bvslt32(~bvxor32(~bvand32(v_ULTIMATE.start_fmod_float_~hx~0#1_39, 2147483648bv32), v_ULTIMATE.start_fmod_float_~hx~0#1_39), ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0#1_24))) && i == ~bvshl32(~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0#1_24), 8bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 19]: Loop Invariant [2022-11-02 20:19:30,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-02 20:19:30,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] Derived loop invariant: ((x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && unknown-#memory_int-unknown[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6][0bv32] == hx)) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant [2022-11-02 20:19:30,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_22,QUANTIFIED] [2022-11-02 20:19:30,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_22,QUANTIFIED] [2022-11-02 20:19:30,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] [2022-11-02 20:19:30,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_38,QUANTIFIED] Derived loop invariant: (((x == ~Pluszero~LONGDOUBLE() && (\exists v_ULTIMATE.start_fmod_float_~hy~0#1_22 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0#1_22) == hy)) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_float_~hx~0#1_38 : bv32 :: !~bvslt32(~bvxor32(~bvand32(v_ULTIMATE.start_fmod_float_~hx~0#1_38, 2147483648bv32), v_ULTIMATE.start_fmod_float_~hx~0#1_38), hy) && ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0#1_38[31:31], v_ULTIMATE.start_fmod_float_~hx~0#1_38[30:23], v_ULTIMATE.start_fmod_float_~hx~0#1_38[22:0]) == ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((x == ~Pluszero~LONGDOUBLE() && \result == 0bv32) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (~Pluszero~LONGDOUBLE() == \result && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x RESULT: Ultimate proved your program to be correct! [2022-11-02 20:19:30,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99941d1b-3fc3-4fdb-a241-e62293fc3080/bin/uautomizer-Dbtcem3rbc/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