./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_set.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_set.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:54:48,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:54:48,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:54:48,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:54:48,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:54:48,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:54:48,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:54:48,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:54:48,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:54:48,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:54:48,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:54:48,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:54:48,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:54:48,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:54:48,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:54:48,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:54:48,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:54:48,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:54:48,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:54:48,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:54:48,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:54:48,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:54:48,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:54:48,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:54:48,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:54:48,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:54:48,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:54:48,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:54:48,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:54:48,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:54:48,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:54:48,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:54:48,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:54:48,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:54:48,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:54:48,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:54:48,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:54:48,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:54:48,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:54:48,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:54:48,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:54:48,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:54:48,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:54:48,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:54:48,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:54:48,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:54:48,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:54:48,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:54:48,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:54:48,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:54:48,995 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:54:48,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:54:48,996 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:54:48,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:54:48,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:54:48,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:54:48,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:54:48,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:54:48,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:54:48,998 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:54:48,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:54:48,998 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:54:48,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:54:48,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:54:48,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:54:48,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:54:48,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:54:49,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:54:49,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:54:49,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:54:49,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:54:49,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:54:49,003 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:54:49,003 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:54:49,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:54:49,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1 [2022-11-16 11:54:49,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:54:49,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:54:49,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:54:49,376 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:54:49,376 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:54:49,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-benchs/filter2_set.c [2022-11-16 11:54:49,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/data/57ba4b398/b1306d22bbe24db0981227ce6fcec993/FLAG05f80c6be [2022-11-16 11:54:49,956 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:54:49,956 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/sv-benchmarks/c/float-benchs/filter2_set.c [2022-11-16 11:54:49,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/data/57ba4b398/b1306d22bbe24db0981227ce6fcec993/FLAG05f80c6be [2022-11-16 11:54:50,321 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/data/57ba4b398/b1306d22bbe24db0981227ce6fcec993 [2022-11-16 11:54:50,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:54:50,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:54:50,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:54:50,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:54:50,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:54:50,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642106da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50, skipping insertion in model container [2022-11-16 11:54:50,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:54:50,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:54:50,564 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/sv-benchmarks/c/float-benchs/filter2_set.c[664,677] [2022-11-16 11:54:50,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:54:50,590 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:54:50,606 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/sv-benchmarks/c/float-benchs/filter2_set.c[664,677] [2022-11-16 11:54:50,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:54:50,628 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:54:50,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50 WrapperNode [2022-11-16 11:54:50,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:54:50,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:54:50,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:54:50,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:54:50,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,664 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-11-16 11:54:50,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:54:50,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:54:50,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:54:50,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:54:50,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,698 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:54:50,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:54:50,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:54:50,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:54:50,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (1/1) ... [2022-11-16 11:54:50,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:54:50,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:54:50,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:54:50,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:54:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:54:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:54:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:54:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:54:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:54:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:54:50,851 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:54:50,856 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:54:51,059 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:54:51,065 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:54:51,069 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:54:51,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:54:51 BoogieIcfgContainer [2022-11-16 11:54:51,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:54:51,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:54:51,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:54:51,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:54:51,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:54:50" (1/3) ... [2022-11-16 11:54:51,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c59dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:54:51, skipping insertion in model container [2022-11-16 11:54:51,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:50" (2/3) ... [2022-11-16 11:54:51,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c59dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:54:51, skipping insertion in model container [2022-11-16 11:54:51,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:54:51" (3/3) ... [2022-11-16 11:54:51,081 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_set.c [2022-11-16 11:54:51,100 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:54:51,100 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:54:51,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:54:51,184 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;@14905c96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:54:51,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:54:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 11:54:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:54:51,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:54:51,199 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:54:51,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:54:51,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:51,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1697849372, now seen corresponding path program 1 times [2022-11-16 11:54:51,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:51,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870654554] [2022-11-16 11:54:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:51,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:51,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:54:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:51,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:54:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:54:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:51,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:54:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:51,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:54:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:51,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 11:54:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:51,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 11:54:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:51,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 11:54:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-16 11:54:51,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:51,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870654554] [2022-11-16 11:54:51,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870654554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:51,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:51,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:54:51,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786636095] [2022-11-16 11:54:51,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:51,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:54:51,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:51,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:54:51,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:54:51,576 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-16 11:54:51,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:54:51,606 INFO L93 Difference]: Finished difference Result 51 states and 78 transitions. [2022-11-16 11:54:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:54:51,608 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2022-11-16 11:54:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:54:51,615 INFO L225 Difference]: With dead ends: 51 [2022-11-16 11:54:51,615 INFO L226 Difference]: Without dead ends: 23 [2022-11-16 11:54:51,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:54:51,622 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:54:51,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:54:51,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-16 11:54:51,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-16 11:54:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 11:54:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2022-11-16 11:54:51,671 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 48 [2022-11-16 11:54:51,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:54:51,673 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-11-16 11:54:51,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-16 11:54:51,673 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-16 11:54:51,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:54:51,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:54:51,678 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:54:51,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:54:51,679 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:54:51,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:51,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1417424168, now seen corresponding path program 1 times [2022-11-16 11:54:51,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:51,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071848923] [2022-11-16 11:54:51,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:51,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:54:51,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:54:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:54:51,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:54:51,860 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:54:51,861 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:54:51,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:54:51,867 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 11:54:51,873 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:54:51,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:54:51 BoogieIcfgContainer [2022-11-16 11:54:51,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:54:51,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:54:51,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:54:51,923 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:54:51,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:54:51" (3/4) ... [2022-11-16 11:54:51,927 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:54:51,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:54:51,930 INFO L158 Benchmark]: Toolchain (without parser) took 1603.35ms. Allocated memory is still 107.0MB. Free memory was 69.0MB in the beginning and 80.5MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:54:51,934 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:54:51,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.59ms. Allocated memory is still 107.0MB. Free memory was 68.7MB in the beginning and 83.2MB in the end (delta: -14.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:54:51,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.62ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 81.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:54:51,939 INFO L158 Benchmark]: Boogie Preprocessor took 36.21ms. Allocated memory is still 107.0MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:54:51,942 INFO L158 Benchmark]: RCFGBuilder took 369.46ms. Allocated memory is still 107.0MB. Free memory was 80.6MB in the beginning and 69.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:54:51,943 INFO L158 Benchmark]: TraceAbstraction took 848.76ms. Allocated memory is still 107.0MB. Free memory was 68.1MB in the beginning and 80.5MB in the end (delta: -12.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-11-16 11:54:51,943 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 107.0MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:54:51,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.59ms. Allocated memory is still 107.0MB. Free memory was 68.7MB in the beginning and 83.2MB in the end (delta: -14.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.62ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 81.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.21ms. Allocated memory is still 107.0MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.46ms. Allocated memory is still 107.0MB. Free memory was 80.6MB in the beginning and 69.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 848.76ms. Allocated memory is still 107.0MB. Free memory was 68.1MB in the beginning and 80.5MB in the end (delta: -12.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 107.0MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 17]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of to_real at line 43, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L22] double E, E0, E1, S0, S1, S; [L23] double A1, A2, A3, B1, B2; [L24] int i; [L26] A1 = __VERIFIER_nondet_double() [L27] A2 = __VERIFIER_nondet_double() [L28] A3 = __VERIFIER_nondet_double() [L29] B1 = __VERIFIER_nondet_double() [L30] B2 = __VERIFIER_nondet_double() [L31] CALL assume_abort_if_not(A1 >= 0.69 && A1 <= 0.71) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L31] RET assume_abort_if_not(A1 >= 0.69 && A1 <= 0.71) [L32] CALL assume_abort_if_not(A2 >= -1.31 && A2 <= -1.29) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L32] RET assume_abort_if_not(A2 >= -1.31 && A2 <= -1.29) [L33] CALL assume_abort_if_not(A3 >= 1.09 && A3 <= 1.11) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L33] RET assume_abort_if_not(A3 >= 1.09 && A3 <= 1.11) [L34] CALL assume_abort_if_not(B1 >= 1.39 && B1 <= 1.41) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L34] RET assume_abort_if_not(B1 >= 1.39 && B1 <= 1.41) [L35] CALL assume_abort_if_not(B2 >= -0.71 && B2 <= -0.69) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L35] RET assume_abort_if_not(B2 >= -0.71 && B2 <= -0.69) [L38] E = __VERIFIER_nondet_double() [L39] E0 = __VERIFIER_nondet_double() [L40] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E=56, E=55] [L41] CALL assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L41] RET assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [E=56, E=55] [L43] S0 = 0 [L44] S = 0 [L46] i = 0 VAL [E=55, E=56, i=0] [L46] COND TRUE i <= 1000000 [L47] E1 = E0 [L48] E0 = E [L50] E = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L51] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E=53, E=56, E=55, i=0] [L53] S1 = S0 [L54] S0 = S [L55] S = A1*E - E0*A2 + E1*A3 + S0*B1 + S1*B2 [L57] CALL __VERIFIER_assert(S >= -100. && S <= 100.) [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L17] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 8, 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, 34 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, 34 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 112/112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:54:51,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_set.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:54:54,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:54:54,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:54:54,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:54:54,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:54:54,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:54:54,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:54:54,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:54:54,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:54:54,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:54:54,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:54:54,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:54:54,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:54:54,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:54:54,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:54:54,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:54:54,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:54:54,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:54:54,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:54:54,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:54:54,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:54:54,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:54:54,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:54:54,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:54:54,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:54:54,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:54:54,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:54:54,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:54:54,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:54:54,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:54:54,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:54:54,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:54:54,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:54:54,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:54:54,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:54:54,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:54:54,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:54:54,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:54:54,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:54:54,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:54:54,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:54:54,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 11:54:54,361 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:54:54,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:54:54,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:54:54,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:54:54,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:54:54,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:54:54,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:54:54,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:54:54,364 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:54:54,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:54:54,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:54:54,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:54:54,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:54:54,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:54:54,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:54:54,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:54:54,366 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:54:54,366 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:54:54,366 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:54:54,367 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:54:54,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:54:54,367 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:54:54,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:54:54,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:54:54,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:54:54,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:54:54,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:54:54,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:54:54,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:54:54,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:54:54,369 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:54:54,370 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:54:54,370 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:54:54,370 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:54:54,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:54:54,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:54:54,371 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1 [2022-11-16 11:54:54,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:54:54,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:54:54,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:54:54,792 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:54:54,792 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:54:54,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-benchs/filter2_set.c [2022-11-16 11:54:54,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/data/b756a5753/aba8c8f909334788ac406e72fb74c7cc/FLAGac8a617a6 [2022-11-16 11:54:55,484 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:54:55,485 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/sv-benchmarks/c/float-benchs/filter2_set.c [2022-11-16 11:54:55,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/data/b756a5753/aba8c8f909334788ac406e72fb74c7cc/FLAGac8a617a6 [2022-11-16 11:54:55,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/data/b756a5753/aba8c8f909334788ac406e72fb74c7cc [2022-11-16 11:54:55,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:54:55,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:54:55,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:54:55,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:54:55,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:54:55,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17217e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55, skipping insertion in model container [2022-11-16 11:54:55,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:54:55,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:54:55,690 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/sv-benchmarks/c/float-benchs/filter2_set.c[664,677] [2022-11-16 11:54:55,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:54:55,756 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:54:55,784 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/sv-benchmarks/c/float-benchs/filter2_set.c[664,677] [2022-11-16 11:54:55,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:54:55,809 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:54:55,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55 WrapperNode [2022-11-16 11:54:55,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:54:55,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:54:55,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:54:55,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:54:55,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,846 INFO L138 Inliner]: procedures = 15, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-11-16 11:54:55,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:54:55,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:54:55,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:54:55,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:54:55,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,873 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:54:55,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:54:55,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:54:55,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:54:55,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (1/1) ... [2022-11-16 11:54:55,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:54:55,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:54:55,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:54:55,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:54:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:54:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:54:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:54:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:54:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:54:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:54:56,074 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:54:56,077 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:54:58,553 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:54:58,560 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:54:58,560 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:54:58,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:54:58 BoogieIcfgContainer [2022-11-16 11:54:58,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:54:58,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:54:58,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:54:58,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:54:58,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:54:55" (1/3) ... [2022-11-16 11:54:58,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8d249c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:54:58, skipping insertion in model container [2022-11-16 11:54:58,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:54:55" (2/3) ... [2022-11-16 11:54:58,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8d249c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:54:58, skipping insertion in model container [2022-11-16 11:54:58,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:54:58" (3/3) ... [2022-11-16 11:54:58,571 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_set.c [2022-11-16 11:54:58,591 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:54:58,591 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:54:58,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:54:58,691 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;@de23af6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:54:58,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:54:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 11:54:58,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:54:58,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:54:58,733 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:54:58,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:54:58,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:58,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1697849372, now seen corresponding path program 1 times [2022-11-16 11:54:58,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:54:58,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554119892] [2022-11-16 11:54:58,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:58,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:54:58,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:54:58,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:54:58,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:55:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:00,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 11:55:00,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:55:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-16 11:55:00,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:55:00,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:55:00,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554119892] [2022-11-16 11:55:00,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554119892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:55:00,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:55:00,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:55:00,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598042837] [2022-11-16 11:55:00,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:55:00,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:55:00,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:55:00,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:55:00,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:55:00,538 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-16 11:55:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:55:00,560 INFO L93 Difference]: Finished difference Result 51 states and 78 transitions. [2022-11-16 11:55:00,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:55:00,562 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2022-11-16 11:55:00,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:55:00,570 INFO L225 Difference]: With dead ends: 51 [2022-11-16 11:55:00,570 INFO L226 Difference]: Without dead ends: 23 [2022-11-16 11:55:00,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:55:00,577 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:55:00,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:55:00,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-16 11:55:00,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-16 11:55:00,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 11:55:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2022-11-16 11:55:00,627 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 48 [2022-11-16 11:55:00,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:55:00,627 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-11-16 11:55:00,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-16 11:55:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-16 11:55:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:55:00,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:55:00,631 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:55:00,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:55:00,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:55:00,839 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:55:00,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:55:00,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1417424168, now seen corresponding path program 1 times [2022-11-16 11:55:00,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:55:00,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928379601] [2022-11-16 11:55:00,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:55:00,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:55:00,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:55:00,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:55:00,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:55:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-16 11:55:08,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:05:14,170 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (/ 69.0 100.0))) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 71.0 100.0)))) (let ((.cse1 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 129.0 100.0)))) (.cse5 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 131.0 100.0)))) (.cse3 (fp.neg .cse0)) (.cse6 (fp.neg .cse7)) (.cse10 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse11 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 139.0 100.0))) (.cse8 ((_ to_fp 11 53) roundNearestTiesToEven (/ 141.0 100.0))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse9 ((_ to_fp 11 53) roundNearestTiesToEven (/ 109.0 100.0))) (.cse12 ((_ to_fp 11 53) roundNearestTiesToEven (/ 111.0 100.0)))) (or (and (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse0) (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse1) (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse2) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse3) (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse4) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse5) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse2) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse6) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse7) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse8) (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse9) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse2) (fp.leq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B2~0#1|)) .cse11) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (and (or (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse9) (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse2) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse4) (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse1) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse5) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse0) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B2~0#1|)) (fp.neg .cse11))) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse2))) (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse3) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse6))) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse2))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse7))))) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse8))))) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12))) (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse1) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse5) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse0) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse3) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse6) (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse2) (not (fp.leq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse10 |ULTIMATE.start_main_~B2~0#1|)) .cse11)))))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse2))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse7))))) (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse4) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse8))) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse2))) (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse9) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)))))) is different from false [2022-11-16 12:05:48,865 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 11 53) roundNearestTiesToEven (/ 69.0 100.0))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 71.0 100.0)))) (let ((.cse3 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 129.0 100.0)))) (.cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 131.0 100.0)))) (.cse8 (fp.neg .cse5)) (.cse9 (fp.neg .cse10)) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 139.0 100.0))) (.cse11 ((_ to_fp 11 53) roundNearestTiesToEven (/ 141.0 100.0))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 109.0 100.0))) (.cse12 ((_ to_fp 11 53) roundNearestTiesToEven (/ 111.0 100.0)))) (or (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse0) (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse1) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse2) (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse3) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse4) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse5) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B2~0#1|)) (fp.neg .cse7))) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse8) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse9))) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse10))))) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse11))))) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12))) (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse3) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse4) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse5) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse8) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse9) (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse1) (not (fp.leq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B2~0#1|)) .cse7)))))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse10))))) (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse2) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse11))) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse0) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12)))))) is different from false [2022-11-16 12:05:50,971 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 11 53) roundNearestTiesToEven (/ 69.0 100.0))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 71.0 100.0)))) (let ((.cse3 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 129.0 100.0)))) (.cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 131.0 100.0)))) (.cse8 (fp.neg .cse5)) (.cse9 (fp.neg .cse10)) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 139.0 100.0))) (.cse11 ((_ to_fp 11 53) roundNearestTiesToEven (/ 141.0 100.0))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 109.0 100.0))) (.cse12 ((_ to_fp 11 53) roundNearestTiesToEven (/ 111.0 100.0)))) (or (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse0) (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse1) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse2) (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse3) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse4) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse5) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B2~0#1|)) (fp.neg .cse7))) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse8) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse9))) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse10))))) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse11))))) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12))) (exists ((|ULTIMATE.start_main_~A3~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B1~0#1| (_ FloatingPoint 11 53))) (and (exists ((|ULTIMATE.start_main_~A2~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A2~0#1| .cse3) (fp.geq |ULTIMATE.start_main_~A2~0#1| .cse4) (exists ((|ULTIMATE.start_main_~A1~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~A1~0#1| .cse5) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (exists ((|ULTIMATE.start_main_~B2~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~B2~0#1| .cse8) (fp.leq |ULTIMATE.start_main_~B2~0#1| .cse9) (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse1) (not (fp.leq (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~A1~0#1| |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| |ULTIMATE.start_main_~A2~0#1|)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| |ULTIMATE.start_main_~A3~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B1~0#1|)) (fp.mul roundNearestTiesToEven .cse6 |ULTIMATE.start_main_~B2~0#1|)) .cse7)))))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A1~0#1| .cse10))))) (fp.geq |ULTIMATE.start_main_~B1~0#1| .cse2) (fp.leq |ULTIMATE.start_main_~B1~0#1| .cse11))) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse1))) (fp.geq |ULTIMATE.start_main_~A3~0#1| .cse0) (fp.leq |ULTIMATE.start_main_~A3~0#1| .cse12)))))) is different from true [2022-11-16 12:05:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-16 12:05:50,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:05:50,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:05:50,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928379601] [2022-11-16 12:05:50,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [928379601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:50,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:50,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-16 12:05:50,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447294678] [2022-11-16 12:05:50,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:50,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-16 12:05:50,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:05:50,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 12:05:50,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=130, Unknown=3, NotChecked=54, Total=272 [2022-11-16 12:05:50,978 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 17 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 12:05:56,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 12:05:56,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:56,123 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2022-11-16 12:05:56,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:05:56,363 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 48 [2022-11-16 12:05:56,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:56,365 INFO L225 Difference]: With dead ends: 33 [2022-11-16 12:05:56,365 INFO L226 Difference]: Without dead ends: 31 [2022-11-16 12:05:56,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 7 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=90, Invalid=155, Unknown=3, NotChecked=58, Total=306 [2022-11-16 12:05:56,367 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 12 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:56,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 58 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 109 Invalid, 1 Unknown, 45 Unchecked, 4.9s Time] [2022-11-16 12:05:56,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-16 12:05:56,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-16 12:05:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-16 12:05:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2022-11-16 12:05:56,382 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 48 [2022-11-16 12:05:56,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:56,383 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-11-16 12:05:56,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 12:05:56,383 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-11-16 12:05:56,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-16 12:05:56,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:56,386 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:56,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:05:56,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:05:56,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:56,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:56,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1357191508, now seen corresponding path program 1 times [2022-11-16 12:05:56,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:05:56,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224099130] [2022-11-16 12:05:56,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:56,605 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:05:56,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:05:56,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:05:56,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d3ea86d-1c06-41b8-9c71-a1018e700923/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 12:10:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:10:01,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 12:10:01,973 INFO L286 TraceCheckSpWp]: Computing forward predicates...