./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2.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_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 --- 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 16:03:18,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:03:18,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:03:18,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:03:18,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:03:18,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:03:18,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:03:18,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:03:18,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:03:18,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:03:18,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:03:18,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:03:18,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:03:18,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:03:18,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:03:18,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:03:18,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:03:18,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:03:18,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:03:18,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:03:18,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:03:18,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:03:18,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:03:18,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:03:18,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:03:18,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:03:18,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:03:18,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:03:18,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:03:18,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:03:18,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:03:18,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:03:18,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:03:18,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:03:18,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:03:18,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:03:18,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:03:18,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:03:18,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:03:18,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:03:18,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:03:18,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 16:03:18,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:03:18,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:03:18,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:03:18,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:03:18,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:03:18,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:03:18,295 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:03:18,295 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:03:18,295 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:03:18,295 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:03:18,297 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:03:18,297 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:03:18,297 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:03:18,298 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:03:18,298 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:03:18,298 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:03:18,298 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:03:18,299 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:03:18,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:03:18,300 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:03:18,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:03:18,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:03:18,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:03:18,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:03:18,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:03:18,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:03:18,303 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:03:18,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:03:18,304 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:03:18,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:03:18,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:03:18,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:03:18,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:03:18,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:03:18,306 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:03:18,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:03:18,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:03:18,306 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:03:18,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:03:18,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:03:18,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:03:18,307 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_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 [2022-11-16 16:03:18,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:03:18,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:03:18,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:03:18,674 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:03:18,676 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:03:18,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/float-benchs/filter2.c [2022-11-16 16:03:18,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/data/b3c25deb5/46ffbc41824746b08dd833bb4a5846d7/FLAG74f7ae13b [2022-11-16 16:03:19,392 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:03:19,392 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/sv-benchmarks/c/float-benchs/filter2.c [2022-11-16 16:03:19,404 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/data/b3c25deb5/46ffbc41824746b08dd833bb4a5846d7/FLAG74f7ae13b [2022-11-16 16:03:19,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/data/b3c25deb5/46ffbc41824746b08dd833bb4a5846d7 [2022-11-16 16:03:19,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:03:19,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:03:19,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:03:19,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:03:19,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:03:19,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:03:19" (1/1) ... [2022-11-16 16:03:19,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270bd097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:19, skipping insertion in model container [2022-11-16 16:03:19,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:03:19" (1/1) ... [2022-11-16 16:03:19,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:03:19,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:03:20,002 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_7054e44f-46fa-4618-9b86-88c902a4a623/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2022-11-16 16:03:20,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:03:20,028 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:03:20,044 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_7054e44f-46fa-4618-9b86-88c902a4a623/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2022-11-16 16:03:20,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:03:20,066 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:03:20,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20 WrapperNode [2022-11-16 16:03:20,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:03:20,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:03:20,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:03:20,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:03:20,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,107 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2022-11-16 16:03:20,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:03:20,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:03:20,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:03:20,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:03:20,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,132 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:03:20,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:03:20,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:03:20,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:03:20,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (1/1) ... [2022-11-16 16:03:20,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:03:20,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:03:20,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:03:20,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:03:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:03:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 16:03:20,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 16:03:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:03:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:03:20,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:03:20,308 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:03:20,310 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:03:20,511 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:03:20,568 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:03:20,576 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 16:03:20,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:03:20 BoogieIcfgContainer [2022-11-16 16:03:20,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:03:20,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:03:20,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:03:20,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:03:20,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:03:19" (1/3) ... [2022-11-16 16:03:20,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a7ee41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:03:20, skipping insertion in model container [2022-11-16 16:03:20,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:20" (2/3) ... [2022-11-16 16:03:20,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a7ee41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:03:20, skipping insertion in model container [2022-11-16 16:03:20,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:03:20" (3/3) ... [2022-11-16 16:03:20,591 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2.c [2022-11-16 16:03:20,615 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:03:20,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:03:20,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:03:20,725 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ca7be6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:03:20,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:03:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 16:03:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 16:03:20,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:03:20,743 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:03:20,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:03:20,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:03:20,753 INFO L85 PathProgramCache]: Analyzing trace with hash -251003801, now seen corresponding path program 1 times [2022-11-16 16:03:20,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:03:20,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140707680] [2022-11-16 16:03:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:03:20,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:03:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 16:03:20,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 16:03:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 16:03:21,040 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 16:03:21,042 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 16:03:21,043 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 16:03:21,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:03:21,052 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 16:03:21,058 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 16:03:21,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:03:21 BoogieIcfgContainer [2022-11-16 16:03:21,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:03:21,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:03:21,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:03:21,098 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:03:21,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:03:20" (3/4) ... [2022-11-16 16:03:21,105 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 16:03:21,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:03:21,108 INFO L158 Benchmark]: Toolchain (without parser) took 1377.72ms. Allocated memory is still 130.0MB. Free memory was 87.2MB in the beginning and 75.0MB in the end (delta: 12.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-11-16 16:03:21,109 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:03:21,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.31ms. Allocated memory is still 130.0MB. Free memory was 87.0MB in the beginning and 104.3MB in the end (delta: -17.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 16:03:21,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.31ms. Allocated memory is still 130.0MB. Free memory was 104.3MB in the beginning and 102.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:03:21,114 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 130.0MB. Free memory was 102.8MB in the beginning and 101.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:03:21,121 INFO L158 Benchmark]: RCFGBuilder took 444.79ms. Allocated memory is still 130.0MB. Free memory was 101.3MB in the beginning and 90.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 16:03:21,122 INFO L158 Benchmark]: TraceAbstraction took 513.27ms. Allocated memory is still 130.0MB. Free memory was 89.8MB in the beginning and 75.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 16:03:21,124 INFO L158 Benchmark]: Witness Printer took 7.91ms. Allocated memory is still 130.0MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 180.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:03:21,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.31ms. Allocated memory is still 130.0MB. Free memory was 87.0MB in the beginning and 104.3MB in the end (delta: -17.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.31ms. Allocated memory is still 130.0MB. Free memory was 104.3MB in the beginning and 102.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 130.0MB. Free memory was 102.8MB in the beginning and 101.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.79ms. Allocated memory is still 130.0MB. Free memory was 101.3MB in the beginning and 90.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 513.27ms. Allocated memory is still 130.0MB. Free memory was 89.8MB in the beginning and 75.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.91ms. Allocated memory is still 130.0MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 180.8kB). 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 44, overapproximation of to_real at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 42. Possible FailurePath: [L22] double E, E0, E1, S0, S1, S; [L23] int i; [L25] E = __VERIFIER_nondet_double() [L26] E0 = __VERIFIER_nondet_double() [L27] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L27] RET assume_abort_if_not(E >= 0. && E <= 1.) [L28] CALL assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L28] RET assume_abort_if_not(E0 >= 0. && E0 <= 1.) [L30] S0 = 0 [L31] S = 0 [L33] i = 0 VAL [i=0] [L33] COND TRUE i <= 1000000 [L34] E1 = E0 [L35] E0 = E [L37] E = __VERIFIER_nondet_double() [L38] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L38] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E=55, E=56, E=54, i=0] [L40] S1 = S0 [L41] S0 = S [L42] S = 0.7*E - E0*1.3 + E1*1.1 + S0*1.4 - S1*0.7 [L44] CALL __VERIFIER_assert(S >= -4. && S <= 4.) [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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 16:03:21,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 --- 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 16:03:23,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:03:23,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:03:23,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:03:23,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:03:23,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:03:23,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:03:23,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:03:23,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:03:23,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:03:23,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:03:23,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:03:23,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:03:23,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:03:23,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:03:23,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:03:23,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:03:23,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:03:23,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:03:23,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:03:23,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:03:23,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:03:23,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:03:23,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:03:23,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:03:23,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:03:23,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:03:23,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:03:23,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:03:23,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:03:23,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:03:23,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:03:23,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:03:23,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:03:23,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:03:23,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:03:23,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:03:23,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:03:23,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:03:23,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:03:23,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:03:23,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-16 16:03:23,886 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:03:23,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:03:23,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:03:23,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:03:23,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:03:23,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:03:23,889 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:03:23,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:03:23,889 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:03:23,890 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:03:23,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:03:23,890 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:03:23,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:03:23,891 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:03:23,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:03:23,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:03:23,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:03:23,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:03:23,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:03:23,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 16:03:23,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 16:03:23,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 16:03:23,893 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:03:23,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:03:23,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:03:23,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:03:23,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:03:23,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 16:03:23,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:03:23,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:03:23,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:03:23,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:03:23,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:03:23,896 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 16:03:23,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 16:03:23,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:03:23,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:03:23,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 16:03:23,897 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_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 [2022-11-16 16:03:24,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:03:24,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:03:24,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:03:24,459 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:03:24,460 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:03:24,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/float-benchs/filter2.c [2022-11-16 16:03:24,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/data/2684f2214/b70a2e9df82c4691aeba00123e765bb2/FLAG4bf5912fd [2022-11-16 16:03:25,168 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:03:25,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/sv-benchmarks/c/float-benchs/filter2.c [2022-11-16 16:03:25,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/data/2684f2214/b70a2e9df82c4691aeba00123e765bb2/FLAG4bf5912fd [2022-11-16 16:03:25,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/data/2684f2214/b70a2e9df82c4691aeba00123e765bb2 [2022-11-16 16:03:25,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:03:25,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:03:25,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:03:25,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:03:25,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:03:25,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c1b8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25, skipping insertion in model container [2022-11-16 16:03:25,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:03:25,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:03:25,798 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_7054e44f-46fa-4618-9b86-88c902a4a623/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2022-11-16 16:03:25,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:03:25,831 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:03:25,870 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_7054e44f-46fa-4618-9b86-88c902a4a623/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2022-11-16 16:03:25,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:03:25,900 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:03:25,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25 WrapperNode [2022-11-16 16:03:25,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:03:25,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:03:25,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:03:25,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:03:25,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,949 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-11-16 16:03:25,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:03:25,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:03:25,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:03:25,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:03:25,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,989 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:25,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:03:25,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:03:25,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:03:25,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:03:25,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (1/1) ... [2022-11-16 16:03:26,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:03:26,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:03:26,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:03:26,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:03:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:03:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 16:03:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 16:03:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 16:03:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:03:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:03:26,198 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:03:26,200 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:03:28,623 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:03:28,631 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:03:28,631 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 16:03:28,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:03:28 BoogieIcfgContainer [2022-11-16 16:03:28,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:03:28,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:03:28,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:03:28,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:03:28,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:03:25" (1/3) ... [2022-11-16 16:03:28,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c19987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:03:28, skipping insertion in model container [2022-11-16 16:03:28,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:03:25" (2/3) ... [2022-11-16 16:03:28,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c19987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:03:28, skipping insertion in model container [2022-11-16 16:03:28,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:03:28" (3/3) ... [2022-11-16 16:03:28,644 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2.c [2022-11-16 16:03:28,689 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:03:28,689 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:03:28,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:03:28,760 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@368d14b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:03:28,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:03:28,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 16:03:28,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 16:03:28,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:03:28,778 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:03:28,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:03:28,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:03:28,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1602622425, now seen corresponding path program 1 times [2022-11-16 16:03:28,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:03:28,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89270672] [2022-11-16 16:03:28,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:03:28,806 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 16:03:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:03:28,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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 16:03:28,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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 16:03:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:03:30,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 16:03:30,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:03:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-16 16:03:30,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:03:30,689 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:03:30,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89270672] [2022-11-16 16:03:30,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [89270672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:03:30,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:03:30,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:03:30,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294076572] [2022-11-16 16:03:30,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:03:30,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 16:03:30,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:03:30,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 16:03:30,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:03:30,740 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 16:03:30,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:03:30,764 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2022-11-16 16:03:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 16:03:30,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-11-16 16:03:30,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:03:30,775 INFO L225 Difference]: With dead ends: 39 [2022-11-16 16:03:30,776 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 16:03:30,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 16:03:30,784 INFO L413 NwaCegarLoop]: 23 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, 23 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 16:03:30,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 16:03:30,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 16:03:30,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-16 16:03:30,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 16:03:30,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-16 16:03:30,829 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 22 [2022-11-16 16:03:30,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:03:30,829 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-16 16:03:30,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 16:03:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-16 16:03:30,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 16:03:30,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:03:30,832 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:03:30,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-16 16:03:31,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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 16:03:31,047 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:03:31,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:03:31,048 INFO L85 PathProgramCache]: Analyzing trace with hash 168652453, now seen corresponding path program 1 times [2022-11-16 16:03:31,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:03:31,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520042442] [2022-11-16 16:03:31,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:03:31,050 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 16:03:31,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:03:31,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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 16:03:31,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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 16:03:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:03:42,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-16 16:03:42,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:06:29,101 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 10.0))) (.cse9 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (let ((.cse3 (fp.neg .cse2)) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 13.0 10.0))) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0))) (.cse7 (fp.mul roundNearestTiesToEven .cse9 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 5.0)))) (.cse8 (fp.mul roundNearestTiesToEven .cse9 .cse4)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (or (and (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| .cse5)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| .cse6)) .cse7) .cse8))) (and (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse0) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse0) (fp.leq .cse1 .cse2) (fp.geq .cse1 .cse3)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (and (or (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (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_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| .cse5)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| .cse6)) .cse7) .cse8) .cse3)) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse0))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse0))) (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#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| .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_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.leq (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| .cse5)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| .cse6)) .cse7) .cse8) .cse2)) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse0))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse0)))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)))))) is different from false [2022-11-16 16:07:00,869 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 10.0))) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 13.0 10.0))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0))) (.cse3 (fp.mul roundNearestTiesToEven .cse7 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 5.0)))) (.cse4 (fp.mul roundNearestTiesToEven .cse7 .cse0)) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven 4.0)) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (or (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (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_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| .cse1)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| .cse2)) .cse3) .cse4) (fp.neg .cse5))) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse6))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse6))) (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse6))) (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| .cse6) (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_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.leq (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| .cse1)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| .cse2)) .cse3) .cse4) .cse5)) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse6))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse6)))))))) is different from false [2022-11-16 16:07:02,917 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 10.0))) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 13.0 10.0))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0))) (.cse3 (fp.mul roundNearestTiesToEven .cse7 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 5.0)))) (.cse4 (fp.mul roundNearestTiesToEven .cse7 .cse0)) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven 4.0)) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (or (exists ((|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (and (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_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.geq (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| .cse1)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| .cse2)) .cse3) .cse4) (fp.neg .cse5))) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse6))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse6))) (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse6))) (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| .cse6) (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_~E0~0#1| (_ FloatingPoint 11 53))) (and (not (fp.leq (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| .cse1)) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| .cse2)) .cse3) .cse4) .cse5)) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse6))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse6)))))))) is different from true [2022-11-16 16:07:02,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 16:07:02,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:07:02,919 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:07:02,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520042442] [2022-11-16 16:07:02,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520042442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:07:02,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:07:02,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 16:07:02,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64833688] [2022-11-16 16:07:02,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:07:02,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 16:07:02,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:07:02,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 16:07:02,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=60, Unknown=3, NotChecked=34, Total=132 [2022-11-16 16:07:02,924 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 16:07:06,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:07:07,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:07:07,290 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-11-16 16:07:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 16:07:07,292 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 22 [2022-11-16 16:07:07,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:07:07,293 INFO L225 Difference]: With dead ends: 27 [2022-11-16 16:07:07,293 INFO L226 Difference]: Without dead ends: 25 [2022-11-16 16:07:07,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=40, Invalid=75, Unknown=3, NotChecked=38, Total=156 [2022-11-16 16:07:07,296 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:07:07,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 55 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 1 Unknown, 31 Unchecked, 4.2s Time] [2022-11-16 16:07:07,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-16 16:07:07,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-16 16:07:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-16 16:07:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-11-16 16:07:07,307 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 22 [2022-11-16 16:07:07,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:07:07,308 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-11-16 16:07:07,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 16:07:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-11-16 16:07:07,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 16:07:07,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:07:07,311 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:07:07,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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 16:07:07,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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 16:07:07,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:07:07,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:07:07,519 INFO L85 PathProgramCache]: Analyzing trace with hash -262310387, now seen corresponding path program 1 times [2022-11-16 16:07:07,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:07:07,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323939128] [2022-11-16 16:07:07,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:07:07,521 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 16:07:07,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:07:07,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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 16:07:07,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7054e44f-46fa-4618-9b86-88c902a4a623/bin/utaipan-Xvt2sAort0/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 16:12:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:08,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-16 16:12:08,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:12:26,498 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (= .cse0 |c_ULTIMATE.start_main_~S0~0#1|) (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) (= |c_ULTIMATE.start_main_~S~0#1| (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 |c_ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E0~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode .cse0 .cse2)))))) (fp.leq |c_ULTIMATE.start_main_~E~0#1| .cse1) (fp.leq |c_ULTIMATE.start_main_~E0~0#1| .cse1) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (let ((.cse3 (fp.leq |c_ULTIMATE.start_main_~S~0#1| .cse5)) (.cse4 (fp.geq |c_ULTIMATE.start_main_~S~0#1| (fp.neg .cse5)))) (or (and (or (not .cse3) (not .cse4)) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (and .cse3 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse4)))) (fp.geq |c_ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.geq |c_ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2022-11-16 16:12:41,807 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (= .cse0 |c_ULTIMATE.start_main_~S0~0#1|) (fp.leq |c_ULTIMATE.start_main_~S~0#1| .cse1) (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) (= |c_ULTIMATE.start_main_~S~0#1| (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 |c_ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E0~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode .cse0 .cse3)))))) (fp.leq |c_ULTIMATE.start_main_~E~0#1| .cse2) (fp.leq |c_ULTIMATE.start_main_~E0~0#1| .cse2) (fp.geq |c_ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.geq |c_ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.geq |c_ULTIMATE.start_main_~S~0#1| (fp.neg .cse1)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2022-11-16 16:13:23,385 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (exists ((|v_ULTIMATE.start_main_~E1~0#1_5| (_ FloatingPoint 11 53))) (and (= (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 |c_ULTIMATE.start_main_~E0~0#1|) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E1~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode .cse1 .cse0))) |c_ULTIMATE.start_main_~S~0#1|) (fp.leq |v_ULTIMATE.start_main_~E1~0#1_5| .cse2) (fp.geq |v_ULTIMATE.start_main_~E1~0#1_5| (_ +zero 11 53)))) (= .cse1 |c_ULTIMATE.start_main_~S0~0#1|) (fp.leq |c_ULTIMATE.start_main_~S~0#1| .cse3) (fp.leq |c_ULTIMATE.start_main_~E1~0#1| .cse2) (fp.geq |c_ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |c_ULTIMATE.start_main_~E0~0#1| .cse2) (fp.geq |c_ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.geq |c_ULTIMATE.start_main_~S~0#1| (fp.neg .cse3)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2022-11-16 16:14:01,129 WARN L833 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~E1~0#1_5| (_ FloatingPoint 11 53))) (let ((.cse0 (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3|) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E1~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode .cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode .cse4 .cse3)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (fp.geq |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| (_ +zero 11 53)) (fp.leq .cse0 .cse1) (fp.leq |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| .cse2) (fp.geq .cse0 (fp.neg .cse1)) (fp.leq |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| .cse2) (fp.leq |v_ULTIMATE.start_main_~E1~0#1_5| .cse2) (fp.geq |v_ULTIMATE.start_main_~E1~0#1_5| (_ +zero 11 53)) (fp.geq |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| (_ +zero 11 53))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2022-11-16 16:14:38,732 WARN L833 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~E1~0#1_5| (_ FloatingPoint 11 53))) (let ((.cse0 (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3|) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E1~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode .cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode .cse4 .cse3)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (fp.geq |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| (_ +zero 11 53)) (fp.leq .cse0 .cse1) (fp.leq |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| .cse2) (fp.geq .cse0 (fp.neg .cse1)) (fp.leq |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| .cse2) (fp.leq |v_ULTIMATE.start_main_~E1~0#1_5| .cse2) (fp.geq |v_ULTIMATE.start_main_~E1~0#1_5| (_ +zero 11 53)) (fp.geq |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| (_ +zero 11 53))))) (= |c_assume_abort_if_not_#in~cond| c_assume_abort_if_not_~cond) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2022-11-16 16:15:16,293 WARN L833 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~E1~0#1_5| (_ FloatingPoint 11 53))) (let ((.cse0 (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3|) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E1~0#1_5| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode .cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode .cse4 .cse3)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (fp.geq |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| (_ +zero 11 53)) (fp.leq .cse0 .cse1) (fp.leq |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| .cse2) (fp.geq .cse0 (fp.neg .cse1)) (fp.leq |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| .cse2) (fp.leq |v_ULTIMATE.start_main_~E1~0#1_5| .cse2) (fp.geq |v_ULTIMATE.start_main_~E1~0#1_5| (_ +zero 11 53)) (fp.geq |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| (_ +zero 11 53))))) (= c_currentRoundingMode roundNearestTiesToEven) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32)))) is different from false [2022-11-16 16:16:42,919 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode 4.0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0))) (.cse4 (fp.mul c_currentRoundingMode .cse6 .cse0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (.cse9 (fp.neg .cse7))) (and (exists ((|v_ULTIMATE.start_main_~E1~0#1_5| (_ FloatingPoint 11 53))) (and (= (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 |c_ULTIMATE.start_main_~E0~0#1|) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E1~0#1| .cse1)) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E1~0#1_5| .cse2)) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~S0~0#1| .cse3)) .cse4) |c_ULTIMATE.start_main_~S~0#1|) (fp.leq |v_ULTIMATE.start_main_~E1~0#1_5| .cse5) (fp.geq |v_ULTIMATE.start_main_~E1~0#1_5| (_ +zero 11 53)))) (= .cse6 |c_ULTIMATE.start_main_~S0~0#1|) (fp.leq |c_ULTIMATE.start_main_~S~0#1| .cse7) (fp.leq |c_ULTIMATE.start_main_~E1~0#1| .cse5) (exists ((|v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~E1~0#1_6| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| (_ FloatingPoint 11 53))) (let ((.cse8 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3|) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| .cse1)) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E1~0#1_6| .cse2)) (fp.mul c_currentRoundingMode .cse6 .cse3)) .cse4))) (and (fp.geq |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| (_ +zero 11 53)) (fp.leq |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| .cse5) (fp.leq |v_ULTIMATE.start_main_~E1~0#1_6| .cse5) (fp.leq |v_ULTIMATE.start_main_~E1~0#1_BEFORE_CALL_3| .cse5) (fp.geq |v_ULTIMATE.start_main_~E0~0#1_BEFORE_CALL_3| (_ +zero 11 53)) (fp.geq |v_ULTIMATE.start_main_~E1~0#1_6| (_ +zero 11 53)) (fp.leq .cse8 .cse7) (fp.geq .cse8 .cse9)))) (fp.geq |c_ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53)) (fp.leq |c_ULTIMATE.start_main_~E~0#1| .cse5) (fp.leq |c_ULTIMATE.start_main_~E0~0#1| .cse5) (fp.geq |c_ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.geq |c_ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.geq |c_ULTIMATE.start_main_~S~0#1| .cse9) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false