./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1381.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1381.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8 --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 6dd343d8c842dca5f2bd703f90ecddcb3075588362c6b6e2ad48689abc1295d4 --- 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-2329fc7 [2022-12-13 10:55:43,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 10:55:43,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 10:55:43,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 10:55:43,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 10:55:43,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 10:55:43,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 10:55:43,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 10:55:43,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 10:55:43,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 10:55:43,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 10:55:43,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 10:55:43,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 10:55:43,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 10:55:43,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 10:55:43,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 10:55:43,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 10:55:43,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 10:55:43,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 10:55:43,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 10:55:43,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 10:55:43,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 10:55:43,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 10:55:43,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 10:55:43,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 10:55:43,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 10:55:43,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 10:55:43,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 10:55:43,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 10:55:43,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 10:55:43,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 10:55:43,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 10:55:43,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 10:55:43,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 10:55:43,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 10:55:43,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 10:55:43,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 10:55:43,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 10:55:43,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 10:55:43,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 10:55:43,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 10:55:43,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 10:55:43,776 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 10:55:43,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 10:55:43,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 10:55:43,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 10:55:43,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 10:55:43,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 10:55:43,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 10:55:43,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 10:55:43,779 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 10:55:43,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 10:55:43,779 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 10:55:43,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 10:55:43,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 10:55:43,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 10:55:43,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 10:55:43,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 10:55:43,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 10:55:43,781 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 10:55:43,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 10:55:43,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 10:55:43,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 10:55:43,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 10:55:43,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 10:55:43,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 10:55:43,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:55:43,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 10:55:43,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 10:55:43,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 10:55:43,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 10:55:43,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 10:55:43,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 10:55:43,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 10:55:43,783 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 10:55:43,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 10:55:43,784 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 10:55:43,784 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd343d8c842dca5f2bd703f90ecddcb3075588362c6b6e2ad48689abc1295d4 [2022-12-13 10:55:43,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 10:55:43,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 10:55:43,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 10:55:44,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 10:55:44,000 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 10:55:44,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-newlib/float_req_bl_1381.c [2022-12-13 10:55:46,700 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 10:55:46,844 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 10:55:46,845 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/sv-benchmarks/c/float-newlib/float_req_bl_1381.c [2022-12-13 10:55:46,849 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/data/f3b0bb7a8/af7a2b31123d4db8975644ffd84290d6/FLAGf4ea5d246 [2022-12-13 10:55:46,861 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/data/f3b0bb7a8/af7a2b31123d4db8975644ffd84290d6 [2022-12-13 10:55:46,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 10:55:46,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 10:55:46,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 10:55:46,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 10:55:46,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 10:55:46,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:55:46" (1/1) ... [2022-12-13 10:55:46,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c6ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:46, skipping insertion in model container [2022-12-13 10:55:46,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:55:46" (1/1) ... [2022-12-13 10:55:46,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 10:55:46,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 10:55:47,049 WARN L237 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_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/sv-benchmarks/c/float-newlib/float_req_bl_1381.c[1242,1255] [2022-12-13 10:55:47,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:55:47,060 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 10:55:47,074 WARN L237 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_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/sv-benchmarks/c/float-newlib/float_req_bl_1381.c[1242,1255] [2022-12-13 10:55:47,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:55:47,085 INFO L208 MainTranslator]: Completed translation [2022-12-13 10:55:47,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47 WrapperNode [2022-12-13 10:55:47,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 10:55:47,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 10:55:47,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 10:55:47,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 10:55:47,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,110 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-12-13 10:55:47,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 10:55:47,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 10:55:47,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 10:55:47,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 10:55:47,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,128 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 10:55:47,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 10:55:47,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 10:55:47,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 10:55:47,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (1/1) ... [2022-12-13 10:55:47,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:55:47,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:55:47,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 10:55:47,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 10:55:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 10:55:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 10:55:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 10:55:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-13 10:55:47,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 10:55:47,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-12-13 10:55:47,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 10:55:47,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 10:55:47,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 10:55:47,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 10:55:47,243 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 10:55:47,244 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 10:55:47,347 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 10:55:47,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 10:55:47,352 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 10:55:47,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:55:47 BoogieIcfgContainer [2022-12-13 10:55:47,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 10:55:47,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 10:55:47,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 10:55:47,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 10:55:47,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:55:46" (1/3) ... [2022-12-13 10:55:47,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae1a3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:55:47, skipping insertion in model container [2022-12-13 10:55:47,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:47" (2/3) ... [2022-12-13 10:55:47,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae1a3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:55:47, skipping insertion in model container [2022-12-13 10:55:47,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:55:47" (3/3) ... [2022-12-13 10:55:47,363 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1381.c [2022-12-13 10:55:47,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 10:55:47,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 10:55:47,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 10:55:47,417 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;@7a071c52, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 10:55:47,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 10:55:47,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 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) [2022-12-13 10:55:47,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 10:55:47,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:47,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:47,426 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:47,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:47,430 INFO L85 PathProgramCache]: Analyzing trace with hash 927449971, now seen corresponding path program 1 times [2022-12-13 10:55:47,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:47,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862460883] [2022-12-13 10:55:47,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:47,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 10:55:47,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:47,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862460883] [2022-12-13 10:55:47,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862460883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:47,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:47,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 10:55:47,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628227904] [2022-12-13 10:55:47,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:47,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 10:55:47,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:47,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 10:55:47,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 10:55:47,570 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 10:55:47,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:55:47,582 INFO L93 Difference]: Finished difference Result 32 states and 44 transitions. [2022-12-13 10:55:47,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 10:55:47,584 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-12-13 10:55:47,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:55:47,590 INFO L225 Difference]: With dead ends: 32 [2022-12-13 10:55:47,590 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 10:55:47,593 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 [2022-12-13 10:55:47,595 INFO L413 NwaCegarLoop]: 16 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, 16 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 [2022-12-13 10:55:47,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 10:55:47,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 10:55:47,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 10:55:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 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) [2022-12-13 10:55:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2022-12-13 10:55:47,619 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 10 [2022-12-13 10:55:47,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:55:47,625 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2022-12-13 10:55:47,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 10:55:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2022-12-13 10:55:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 10:55:47,626 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:47,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:47,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 10:55:47,626 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:47,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:47,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1499794425, now seen corresponding path program 1 times [2022-12-13 10:55:47,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:47,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882113474] [2022-12-13 10:55:47,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:47,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:55:47,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 10:55:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 10:55:47,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 10:55:47,717 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 10:55:47,719 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 10:55:47,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 10:55:47,723 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 10:55:47,725 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 10:55:47,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:55:47 BoogieIcfgContainer [2022-12-13 10:55:47,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 10:55:47,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 10:55:47,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 10:55:47,742 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 10:55:47,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:55:47" (3/4) ... [2022-12-13 10:55:47,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 10:55:47,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 10:55:47,746 INFO L158 Benchmark]: Toolchain (without parser) took 878.70ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 96.2MB in the beginning and 152.3MB in the end (delta: -56.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-12-13 10:55:47,746 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:55:47,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.02ms. Allocated memory is still 127.9MB. Free memory was 96.2MB in the beginning and 85.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 10:55:47,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.58ms. Allocated memory is still 127.9MB. Free memory was 85.7MB in the beginning and 84.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 10:55:47,747 INFO L158 Benchmark]: Boogie Preprocessor took 19.24ms. Allocated memory is still 127.9MB. Free memory was 84.1MB in the beginning and 82.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 10:55:47,747 INFO L158 Benchmark]: RCFGBuilder took 223.75ms. Allocated memory is still 127.9MB. Free memory was 82.4MB in the beginning and 71.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 10:55:47,748 INFO L158 Benchmark]: TraceAbstraction took 384.86ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 70.3MB in the beginning and 152.3MB in the end (delta: -82.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:55:47,748 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 188.7MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:55:47,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.02ms. Allocated memory is still 127.9MB. Free memory was 96.2MB in the beginning and 85.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.58ms. Allocated memory is still 127.9MB. Free memory was 85.7MB in the beginning and 84.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.24ms. Allocated memory is still 127.9MB. Free memory was 84.1MB in the beginning and 82.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 223.75ms. Allocated memory is still 127.9MB. Free memory was 82.4MB in the beginning and 71.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 384.86ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 70.3MB in the beginning and 152.3MB in the end (delta: -82.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 188.7MB. Free memory is still 152.3MB. 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: 51]: 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 35, overapproximation of bitwiseOr at line 28, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L45] float x = 0.0f / 0.0f; [L46] float y = __VERIFIER_nondet_float(); [L47] CALL, EXPR copysign_float(x, y) [L15] __uint32_t ix, iy; VAL [\old(x)=2147483663, \old(y)=2147483664, x=2147483663, y=2147483664] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (ix) = gf_u.word [L22] ieee_float_shape_type gf_u; [L23] gf_u.value = (y) [L24] EXPR gf_u.word [L24] (iy) = gf_u.word [L27] ieee_float_shape_type sf_u; [L28] sf_u.word = ((ix & 0x7fffffff) | (iy & 0x80000000)) [L29] EXPR sf_u.value [L29] (x) = sf_u.value [L31] return x; VAL [\old(x)=2147483663, \old(y)=2147483664, \result=2147483665, ix=2147483649, iy=2147483649, x=2147483665, y=2147483664] [L47] RET, EXPR copysign_float(x, y) [L47] float res = copysign_float(x, y); [L50] CALL, EXPR isnan_float(res) [L35] return x != x; VAL [\old(x)=2147483665, \result=0, x=2147483665] [L50] RET, EXPR isnan_float(res) [L50] COND TRUE !isnan_float(res) [L51] reach_error() VAL [res=2147483665, x=2147483663, y=2147483664] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 16 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, 16 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=17occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2022-12-13 10:55:47,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1381.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8 --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 6dd343d8c842dca5f2bd703f90ecddcb3075588362c6b6e2ad48689abc1295d4 --- 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-2329fc7 [2022-12-13 10:55:49,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 10:55:49,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 10:55:49,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 10:55:49,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 10:55:49,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 10:55:49,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 10:55:49,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 10:55:49,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 10:55:49,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 10:55:49,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 10:55:49,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 10:55:49,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 10:55:49,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 10:55:49,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 10:55:49,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 10:55:49,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 10:55:49,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 10:55:49,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 10:55:49,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 10:55:49,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 10:55:49,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 10:55:49,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 10:55:49,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 10:55:49,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 10:55:49,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 10:55:49,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 10:55:49,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 10:55:49,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 10:55:49,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 10:55:49,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 10:55:49,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 10:55:49,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 10:55:49,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 10:55:49,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 10:55:49,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 10:55:49,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 10:55:49,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 10:55:49,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 10:55:49,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 10:55:49,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 10:55:49,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 10:55:49,451 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 10:55:49,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 10:55:49,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 10:55:49,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 10:55:49,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 10:55:49,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 10:55:49,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 10:55:49,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 10:55:49,453 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 10:55:49,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 10:55:49,454 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 10:55:49,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 10:55:49,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 10:55:49,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 10:55:49,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 10:55:49,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 10:55:49,454 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 10:55:49,455 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 10:55:49,455 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 10:55:49,455 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 10:55:49,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 10:55:49,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 10:55:49,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 10:55:49,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 10:55:49,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 10:55:49,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 10:55:49,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:55:49,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 10:55:49,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 10:55:49,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 10:55:49,457 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 10:55:49,457 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 10:55:49,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 10:55:49,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 10:55:49,457 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 10:55:49,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 10:55:49,458 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 10:55:49,458 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 10:55:49,458 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd343d8c842dca5f2bd703f90ecddcb3075588362c6b6e2ad48689abc1295d4 [2022-12-13 10:55:49,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 10:55:49,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 10:55:49,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 10:55:49,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 10:55:49,704 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 10:55:49,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-newlib/float_req_bl_1381.c [2022-12-13 10:55:52,305 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 10:55:52,482 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 10:55:52,482 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/sv-benchmarks/c/float-newlib/float_req_bl_1381.c [2022-12-13 10:55:52,488 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/data/76b92849b/2bb50e9d3c394d3e89e22c7a96eafdc3/FLAG4f0d8b83e [2022-12-13 10:55:52,499 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/data/76b92849b/2bb50e9d3c394d3e89e22c7a96eafdc3 [2022-12-13 10:55:52,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 10:55:52,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 10:55:52,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 10:55:52,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 10:55:52,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 10:55:52,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4693f84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52, skipping insertion in model container [2022-12-13 10:55:52,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 10:55:52,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 10:55:52,634 WARN L237 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_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/sv-benchmarks/c/float-newlib/float_req_bl_1381.c[1242,1255] [2022-12-13 10:55:52,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:55:52,646 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 10:55:52,659 WARN L237 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_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/sv-benchmarks/c/float-newlib/float_req_bl_1381.c[1242,1255] [2022-12-13 10:55:52,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:55:52,671 INFO L208 MainTranslator]: Completed translation [2022-12-13 10:55:52,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52 WrapperNode [2022-12-13 10:55:52,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 10:55:52,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 10:55:52,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 10:55:52,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 10:55:52,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,696 INFO L138 Inliner]: procedures = 20, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-12-13 10:55:52,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 10:55:52,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 10:55:52,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 10:55:52,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 10:55:52,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,714 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 10:55:52,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 10:55:52,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 10:55:52,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 10:55:52,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (1/1) ... [2022-12-13 10:55:52,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:55:52,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:55:52,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 10:55:52,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 10:55:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 10:55:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 10:55:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 10:55:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-12-13 10:55:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 10:55:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 10:55:52,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 10:55:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-12-13 10:55:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 10:55:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 10:55:52,849 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 10:55:52,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 10:55:52,974 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 10:55:52,978 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 10:55:52,978 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 10:55:52,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:55:52 BoogieIcfgContainer [2022-12-13 10:55:52,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 10:55:52,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 10:55:52,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 10:55:52,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 10:55:52,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:55:52" (1/3) ... [2022-12-13 10:55:52,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7240cf07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:55:52, skipping insertion in model container [2022-12-13 10:55:52,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:55:52" (2/3) ... [2022-12-13 10:55:52,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7240cf07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:55:52, skipping insertion in model container [2022-12-13 10:55:52,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:55:52" (3/3) ... [2022-12-13 10:55:52,988 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1381.c [2022-12-13 10:55:53,005 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 10:55:53,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 10:55:53,037 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 10:55:53,041 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;@57c6b474, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 10:55:53,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 10:55:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 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) [2022-12-13 10:55:53,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 10:55:53,050 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:53,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:53,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:53,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash 927449971, now seen corresponding path program 1 times [2022-12-13 10:55:53,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 10:55:53,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899543660] [2022-12-13 10:55:53,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:53,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:55:53,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 10:55:53,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 10:55:53,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 10:55:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:53,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 10:55:53,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:55:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 10:55:53,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 10:55:53,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 10:55:53,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899543660] [2022-12-13 10:55:53,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899543660] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:53,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:53,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 10:55:53,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998960623] [2022-12-13 10:55:53,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:53,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 10:55:53,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 10:55:53,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 10:55:53,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 10:55:53,212 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 10:55:53,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 10:55:53,227 INFO L93 Difference]: Finished difference Result 32 states and 44 transitions. [2022-12-13 10:55:53,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 10:55:53,228 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-12-13 10:55:53,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 10:55:53,234 INFO L225 Difference]: With dead ends: 32 [2022-12-13 10:55:53,234 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 10:55:53,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 10:55:53,240 INFO L413 NwaCegarLoop]: 16 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, 16 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 [2022-12-13 10:55:53,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 10:55:53,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 10:55:53,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 10:55:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 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) [2022-12-13 10:55:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2022-12-13 10:55:53,263 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 10 [2022-12-13 10:55:53,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 10:55:53,264 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2022-12-13 10:55:53,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 10:55:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2022-12-13 10:55:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 10:55:53,265 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 10:55:53,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:53,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 10:55:53,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:55:53,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 10:55:53,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:53,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1499794425, now seen corresponding path program 1 times [2022-12-13 10:55:53,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 10:55:53,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803892844] [2022-12-13 10:55:53,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:53,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 10:55:53,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 10:55:53,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 10:55:53,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 10:55:53,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 139 [2022-12-13 10:55:53,600 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 37 more [2022-12-13 10:55:53,604 INFO L158 Benchmark]: Toolchain (without parser) took 1100.30ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 66.5MB in the beginning and 85.1MB in the end (delta: -18.6MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2022-12-13 10:55:53,604 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory was 24.8MB in the beginning and 24.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:55:53,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.48ms. Allocated memory is still 88.1MB. Free memory was 66.3MB in the beginning and 55.3MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 10:55:53,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.05ms. Allocated memory is still 88.1MB. Free memory was 55.3MB in the beginning and 53.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:55:53,606 INFO L158 Benchmark]: Boogie Preprocessor took 19.95ms. Allocated memory is still 88.1MB. Free memory was 53.5MB in the beginning and 52.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 10:55:53,607 INFO L158 Benchmark]: RCFGBuilder took 262.92ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 63.2MB in the end (delta: -11.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-12-13 10:55:53,607 INFO L158 Benchmark]: TraceAbstraction took 620.95ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 62.4MB in the beginning and 85.1MB in the end (delta: -22.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2022-12-13 10:55:53,609 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory was 24.8MB in the beginning and 24.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.48ms. Allocated memory is still 88.1MB. Free memory was 66.3MB in the beginning and 55.3MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.05ms. Allocated memory is still 88.1MB. Free memory was 55.3MB in the beginning and 53.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.95ms. Allocated memory is still 88.1MB. Free memory was 53.5MB in the beginning and 52.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 262.92ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 63.2MB in the end (delta: -11.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * TraceAbstraction took 620.95ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 62.4MB in the beginning and 85.1MB in the end (delta: -22.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-13 10:55:53,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6667f8-d5b3-4e5c-a0f1-03626f8fcff2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3) with exit command (exit)) Received EOF on stdin. No stderr output.