./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf16487f411039d120d72f1ea3eb73e7cb935c40 ............................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf16487f411039d120d72f1ea3eb73e7cb935c40 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:24,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:24,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:24,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:24,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:24,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:24,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:24,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:24,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:24,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:24,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:24,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:24,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:24,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:24,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:24,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:24,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:24,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:24,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:24,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:24,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:24,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:24,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:24,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:24,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:24,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:24,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:24,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:24,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:24,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:24,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:24,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:24,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:24,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:24,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:24,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:24,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:24,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:24,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:24,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:24,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:24,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-12 23:59:24,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:24,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:24,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:24,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:24,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:24,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:24,473 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:24,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:24,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-12 23:59:24,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:24,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-12 23:59:24,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:24,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-12 23:59:24,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-12 23:59:24,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-12 23:59:24,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-12 23:59:24,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:24,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:24,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-12 23:59:24,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:24,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:24,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-12 23:59:24,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:24,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:24,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-12 23:59:24,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-12 23:59:24,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:24,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-12 23:59:24,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-12 23:59:24,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:24,479 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_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf16487f411039d120d72f1ea3eb73e7cb935c40 [2021-10-12 23:59:24,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:24,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:24,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:24,756 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:24,757 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:24,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2021-10-12 23:59:24,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/data/5a6d1eae1/5e16658b648b4d5cac6d4c03ee11520a/FLAG5d5f21946 [2021-10-12 23:59:25,236 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:25,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2021-10-12 23:59:25,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/data/5a6d1eae1/5e16658b648b4d5cac6d4c03ee11520a/FLAG5d5f21946 [2021-10-12 23:59:25,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/data/5a6d1eae1/5e16658b648b4d5cac6d4c03ee11520a [2021-10-12 23:59:25,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:25,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:25,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:25,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:25,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:25,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:25" (1/1) ... [2021-10-12 23:59:25,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43140c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:25, skipping insertion in model container [2021-10-12 23:59:25,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:25" (1/1) ... [2021-10-12 23:59:25,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:25,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:25,912 WARN L228 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_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c[4700,4713] [2021-10-12 23:59:25,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:25,924 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:25,990 WARN L228 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_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c[4700,4713] [2021-10-12 23:59:25,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:26,031 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:26,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26 WrapperNode [2021-10-12 23:59:26,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:26,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:26,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:26,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:26,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (1/1) ... [2021-10-12 23:59:26,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (1/1) ... [2021-10-12 23:59:26,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:26,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:26,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:26,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:26,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (1/1) ... [2021-10-12 23:59:26,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (1/1) ... [2021-10-12 23:59:26,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (1/1) ... [2021-10-12 23:59:26,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (1/1) ... [2021-10-12 23:59:26,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (1/1) ... [2021-10-12 23:59:26,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (1/1) ... [2021-10-12 23:59:26,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (1/1) ... [2021-10-12 23:59:26,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:26,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:26,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:26,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:26,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (1/1) ... [2021-10-12 23:59:26,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:26,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:26,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:26,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-12 23:59:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-12 23:59:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-12 23:59:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-12 23:59:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-12 23:59:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-12 23:59:26,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:26,784 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-12 23:59:26,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:26 BoogieIcfgContainer [2021-10-12 23:59:26,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:26,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-12 23:59:26,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-12 23:59:26,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-12 23:59:26,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:59:25" (1/3) ... [2021-10-12 23:59:26,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620143d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:26, skipping insertion in model container [2021-10-12 23:59:26,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:26" (2/3) ... [2021-10-12 23:59:26,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620143d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:26, skipping insertion in model container [2021-10-12 23:59:26,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:26" (3/3) ... [2021-10-12 23:59:26,795 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2021-10-12 23:59:26,800 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-12 23:59:26,801 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-12 23:59:26,847 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-12 23:59:26,853 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-12 23:59:26,854 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-12 23:59:26,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 58 states have (on average 1.6724137931034482) internal successors, (97), 59 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:26,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-12 23:59:26,875 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:26,875 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:26,876 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:26,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:26,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2021-10-12 23:59:26,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:26,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416164276] [2021-10-12 23:59:26,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:26,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:27,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:27,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416164276] [2021-10-12 23:59:27,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416164276] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:27,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:27,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:27,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978772531] [2021-10-12 23:59:27,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-12 23:59:27,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:27,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-12 23:59:27,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-12 23:59:27,080 INFO L87 Difference]: Start difference. First operand has 60 states, 58 states have (on average 1.6724137931034482) internal successors, (97), 59 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:27,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:27,110 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2021-10-12 23:59:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-12 23:59:27,111 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-12 23:59:27,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:27,118 INFO L225 Difference]: With dead ends: 118 [2021-10-12 23:59:27,118 INFO L226 Difference]: Without dead ends: 57 [2021-10-12 23:59:27,120 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-12 23:59:27,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-12 23:59:27,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-12 23:59:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2021-10-12 23:59:27,148 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2021-10-12 23:59:27,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:27,148 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2021-10-12 23:59:27,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2021-10-12 23:59:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-12 23:59:27,149 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:27,150 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:27,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-12 23:59:27,150 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:27,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:27,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2021-10-12 23:59:27,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:27,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223283186] [2021-10-12 23:59:27,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:27,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:27,193 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:27,269 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:27,269 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-12 23:59:27,271 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:27,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-12 23:59:27,279 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-12 23:59:27,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:59:27 BoogieIcfgContainer [2021-10-12 23:59:27,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-12 23:59:27,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-12 23:59:27,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-12 23:59:27,307 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-12 23:59:27,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:26" (3/4) ... [2021-10-12 23:59:27,311 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-12 23:59:27,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-12 23:59:27,312 INFO L168 Benchmark]: Toolchain (without parser) took 1686.35 ms. Allocated memory is still 98.6 MB. Free memory was 60.9 MB in the beginning and 61.5 MB in the end (delta: -538.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:27,313 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 77.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:27,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.64 ms. Allocated memory is still 98.6 MB. Free memory was 60.7 MB in the beginning and 71.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:27,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.54 ms. Allocated memory is still 98.6 MB. Free memory was 71.0 MB in the beginning and 68.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:27,315 INFO L168 Benchmark]: Boogie Preprocessor took 74.91 ms. Allocated memory is still 98.6 MB. Free memory was 68.4 MB in the beginning and 66.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:27,316 INFO L168 Benchmark]: RCFGBuilder took 601.26 ms. Allocated memory is still 98.6 MB. Free memory was 66.8 MB in the beginning and 49.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:27,316 INFO L168 Benchmark]: TraceAbstraction took 517.35 ms. Allocated memory is still 98.6 MB. Free memory was 48.8 MB in the beginning and 62.0 MB in the end (delta: -13.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:27,317 INFO L168 Benchmark]: Witness Printer took 4.11 ms. Allocated memory is still 98.6 MB. Free memory was 62.0 MB in the beginning and 61.5 MB in the end (delta: 533.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:27,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 77.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 404.64 ms. Allocated memory is still 98.6 MB. Free memory was 60.7 MB in the beginning and 71.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.54 ms. Allocated memory is still 98.6 MB. Free memory was 71.0 MB in the beginning and 68.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.91 ms. Allocated memory is still 98.6 MB. Free memory was 68.4 MB in the beginning and 66.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 601.26 ms. Allocated memory is still 98.6 MB. Free memory was 66.8 MB in the beginning and 49.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 517.35 ms. Allocated memory is still 98.6 MB. Free memory was 48.8 MB in the beginning and 62.0 MB in the end (delta: -13.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.11 ms. Allocated memory is still 98.6 MB. Free memory was 62.0 MB in the beginning and 61.5 MB in the end (delta: 533.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 200]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 199, overapproximation of someUnaryDOUBLEoperation at line 113, overapproximation of bitwiseAnd at line 127, overapproximation of someUnaryFLOAToperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 130. Possible FailurePath: [L26] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L109-L117] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L195] float x = 0.0f; [L120] float t, w, p, q, c, r, s; [L121] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L128] COND TRUE ix == 0x3f800000 [L130] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L196] float res = __ieee754_asinf(x); [L199] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L199] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L200] reach_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 432.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 9.6ms, AutomataDifference: 58.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 78 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 17.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.3ms SsaConstructionTime, 63.0ms SatisfiabilityAnalysisTime, 49.8ms InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-12 23:59:27,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:29,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:29,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:29,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:29,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:29,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:29,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:29,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:29,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:29,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:29,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:29,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:29,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:29,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:29,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:29,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:29,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:29,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:29,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:29,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:29,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:29,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:29,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:29,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:29,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:29,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:29,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:29,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:29,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:29,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:29,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:29,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:29,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:29,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:29,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:29,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:29,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:29,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:29,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:29,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:29,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:29,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-12 23:59:29,848 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:29,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:29,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:29,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:29,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:29,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:29,851 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:29,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:29,852 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-12 23:59:29,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-12 23:59:29,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:29,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-12 23:59:29,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-12 23:59:29,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-12 23:59:29,853 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-12 23:59:29,853 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-12 23:59:29,853 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-12 23:59:29,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:29,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:29,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-12 23:59:29,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:29,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:29,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-12 23:59:29,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:29,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:29,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-12 23:59:29,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-12 23:59:29,856 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-12 23:59:29,856 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-12 23:59:29,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-12 23:59:29,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:29,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-12 23:59:29,857 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_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf16487f411039d120d72f1ea3eb73e7cb935c40 [2021-10-12 23:59:30,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:30,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:30,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:30,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:30,356 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:30,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2021-10-12 23:59:30,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/data/d84219864/f443a49e548740cc96a92633ccd0a4b7/FLAG105b65d02 [2021-10-12 23:59:31,099 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:31,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2021-10-12 23:59:31,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/data/d84219864/f443a49e548740cc96a92633ccd0a4b7/FLAG105b65d02 [2021-10-12 23:59:31,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/data/d84219864/f443a49e548740cc96a92633ccd0a4b7 [2021-10-12 23:59:31,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:31,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:31,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:31,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:31,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:31,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6183fbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31, skipping insertion in model container [2021-10-12 23:59:31,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:31,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:31,809 WARN L228 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_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c[4700,4713] [2021-10-12 23:59:31,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:31,850 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:31,965 WARN L228 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_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c[4700,4713] [2021-10-12 23:59:31,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:31,997 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:31,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31 WrapperNode [2021-10-12 23:59:31,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:31,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:31,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:31,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:32,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:32,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:32,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:32,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:32,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:32,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:32,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:32,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:32,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:32,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:32,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:32,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:32,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:32,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:32,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:32,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:32,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:32,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:32,186 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:32,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:32,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:32,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-12 23:59:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-12 23:59:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-12 23:59:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-12 23:59:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-12 23:59:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-12 23:59:42,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:42,757 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-12 23:59:42,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:42 BoogieIcfgContainer [2021-10-12 23:59:42,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:42,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-12 23:59:42,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-12 23:59:42,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-12 23:59:42,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:59:31" (1/3) ... [2021-10-12 23:59:42,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d0b62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:42, skipping insertion in model container [2021-10-12 23:59:42,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (2/3) ... [2021-10-12 23:59:42,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d0b62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:42, skipping insertion in model container [2021-10-12 23:59:42,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:42" (3/3) ... [2021-10-12 23:59:42,785 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2021-10-12 23:59:42,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-12 23:59:42,791 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-12 23:59:42,862 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-12 23:59:42,870 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-12 23:59:42,870 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-12 23:59:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 58 states have (on average 1.6724137931034482) internal successors, (97), 59 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-12 23:59:42,907 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:42,908 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:42,908 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:42,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:42,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2021-10-12 23:59:42,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-12 23:59:42,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447551951] [2021-10-12 23:59:42,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:42,935 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-12 23:59:42,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-12 23:59:42,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-12 23:59:42,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-12 23:59:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:43,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-12 23:59:43,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:43,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-12 23:59:43,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:43,866 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-12 23:59:43,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447551951] [2021-10-12 23:59:43,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447551951] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:43,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:43,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-12 23:59:43,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217146760] [2021-10-12 23:59:43,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-12 23:59:43,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-12 23:59:43,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-12 23:59:43,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-12 23:59:43,907 INFO L87 Difference]: Start difference. First operand has 60 states, 58 states have (on average 1.6724137931034482) internal successors, (97), 59 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:43,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:43,938 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2021-10-12 23:59:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-12 23:59:43,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-12 23:59:43,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:43,950 INFO L225 Difference]: With dead ends: 118 [2021-10-12 23:59:43,951 INFO L226 Difference]: Without dead ends: 57 [2021-10-12 23:59:43,954 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-12 23:59:43,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-12 23:59:44,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-12 23:59:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2021-10-12 23:59:44,010 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2021-10-12 23:59:44,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:44,011 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2021-10-12 23:59:44,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:44,013 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2021-10-12 23:59:44,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-12 23:59:44,014 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:44,014 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:44,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:44,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-12 23:59:44,238 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:44,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:44,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2021-10-12 23:59:44,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-12 23:59:44,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542971952] [2021-10-12 23:59:44,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:44,240 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-12 23:59:44,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-12 23:59:44,242 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-12 23:59:44,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-12 23:59:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:44,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-12 23:59:44,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:45,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-12 23:59:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:45,680 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-12 23:59:45,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542971952] [2021-10-12 23:59:45,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542971952] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:45,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:45,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-12 23:59:45,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667267044] [2021-10-12 23:59:45,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-12 23:59:45,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-12 23:59:45,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-12 23:59:45,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-12 23:59:45,684 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:47,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:47,093 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2021-10-12 23:59:47,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-12 23:59:47,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-12 23:59:47,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:47,095 INFO L225 Difference]: With dead ends: 104 [2021-10-12 23:59:47,095 INFO L226 Difference]: Without dead ends: 57 [2021-10-12 23:59:47,096 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 542.3ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-12 23:59:47,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-12 23:59:47,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-12 23:59:47,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:47,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2021-10-12 23:59:47,105 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2021-10-12 23:59:47,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:47,106 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2021-10-12 23:59:47,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2021-10-12 23:59:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-12 23:59:47,107 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:47,107 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:47,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:47,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-12 23:59:47,330 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:47,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:47,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2021-10-12 23:59:47,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-12 23:59:47,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267742921] [2021-10-12 23:59:47,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:47,332 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-12 23:59:47,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-12 23:59:47,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-12 23:59:47,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-12 23:59:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:47,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-12 23:59:47,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:48,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-12 23:59:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:48,608 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-12 23:59:48,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267742921] [2021-10-12 23:59:48,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267742921] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:48,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:48,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-10-12 23:59:48,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503349758] [2021-10-12 23:59:48,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-12 23:59:48,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-12 23:59:48,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-12 23:59:48,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-12 23:59:48,611 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:49,149 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2021-10-12 23:59:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-12 23:59:49,150 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-12 23:59:49,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:49,152 INFO L225 Difference]: With dead ends: 69 [2021-10-12 23:59:49,152 INFO L226 Difference]: Without dead ends: 66 [2021-10-12 23:59:49,153 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 493.5ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-12 23:59:49,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-12 23:59:49,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2021-10-12 23:59:49,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2021-10-12 23:59:49,164 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2021-10-12 23:59:49,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:49,165 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2021-10-12 23:59:49,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:49,166 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2021-10-12 23:59:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-12 23:59:49,166 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:49,167 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:49,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-12 23:59:49,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-12 23:59:49,373 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:49,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:49,374 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2021-10-12 23:59:49,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-12 23:59:49,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1241255397] [2021-10-12 23:59:49,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:49,375 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-12 23:59:49,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-12 23:59:49,376 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-12 23:59:49,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-12 23:59:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:49,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-12 23:59:49,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:50,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:50,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-12 23:59:52,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:52,133 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-12 23:59:52,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1241255397] [2021-10-12 23:59:52,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1241255397] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:52,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:52,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2021-10-12 23:59:52,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385433475] [2021-10-12 23:59:52,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-12 23:59:52,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-12 23:59:52,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-12 23:59:52,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-10-12 23:59:52,137 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:53,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:53,652 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2021-10-12 23:59:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-12 23:59:53,653 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-12 23:59:53,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:53,654 INFO L225 Difference]: With dead ends: 66 [2021-10-12 23:59:53,654 INFO L226 Difference]: Without dead ends: 57 [2021-10-12 23:59:53,655 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1904.4ms TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2021-10-12 23:59:53,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-12 23:59:53,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-12 23:59:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 56 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:53,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2021-10-12 23:59:53,664 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2021-10-12 23:59:53,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:53,664 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2021-10-12 23:59:53,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:53,665 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2021-10-12 23:59:53,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-12 23:59:53,667 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:53,667 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:53,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:53,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-12 23:59:53,869 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:53,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:53,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2021-10-12 23:59:53,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-12 23:59:53,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472871688] [2021-10-12 23:59:53,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:53,871 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-12 23:59:53,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-12 23:59:53,871 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-12 23:59:53,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-12 23:59:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:55,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-12 23:59:55,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:57,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-12 23:59:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:59,426 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-12 23:59:59,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472871688] [2021-10-12 23:59:59,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472871688] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:59,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:59,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-12 23:59:59,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004837611] [2021-10-12 23:59:59,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-12 23:59:59,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-12 23:59:59,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-12 23:59:59,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-12 23:59:59,429 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:59,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:59,521 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2021-10-12 23:59:59,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-12 23:59:59,537 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-12 23:59:59,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:59,538 INFO L225 Difference]: With dead ends: 57 [2021-10-12 23:59:59,538 INFO L226 Difference]: Without dead ends: 0 [2021-10-12 23:59:59,539 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 730.5ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-12 23:59:59,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-12 23:59:59,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-12 23:59:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-12 23:59:59,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-10-12 23:59:59,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:59,540 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:59,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:59,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-12 23:59:59,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-12 23:59:59,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:59,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:59,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-12 23:59:59,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-12 23:59:59,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:59,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:00,312 INFO L853 garLoopResultBuilder]: At program point L184(lines 119 185) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2021-10-13 00:00:00,313 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 136) no Hoare annotation was computed. [2021-10-13 00:00:00,313 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:00:00,313 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2021-10-13 00:00:00,313 INFO L853 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: false [2021-10-13 00:00:00,313 INFO L857 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2021-10-13 00:00:00,314 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 174) no Hoare annotation was computed. [2021-10-13 00:00:00,314 INFO L857 garLoopResultBuilder]: For program point L170-1(lines 162 180) no Hoare annotation was computed. [2021-10-13 00:00:00,314 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 170 174) no Hoare annotation was computed. [2021-10-13 00:00:00,314 INFO L860 garLoopResultBuilder]: At program point L204(lines 187 205) the Hoare annotation is: true [2021-10-13 00:00:00,314 INFO L857 garLoopResultBuilder]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2021-10-13 00:00:00,314 INFO L853 garLoopResultBuilder]: At program point L122-2(lines 122 126) the Hoare annotation is: (and (= ~huge_asin~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_asin~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-13 00:00:00,315 INFO L857 garLoopResultBuilder]: For program point L56(lines 56 57) no Hoare annotation was computed. [2021-10-13 00:00:00,315 INFO L857 garLoopResultBuilder]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2021-10-13 00:00:00,315 INFO L853 garLoopResultBuilder]: At program point L23(lines 14 24) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short20| (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))) [2021-10-13 00:00:00,315 INFO L857 garLoopResultBuilder]: For program point L56-2(lines 56 57) no Hoare annotation was computed. [2021-10-13 00:00:00,315 INFO L853 garLoopResultBuilder]: At program point L106(lines 94 107) the Hoare annotation is: false [2021-10-13 00:00:00,316 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2021-10-13 00:00:00,316 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:00:00,316 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 84) no Hoare annotation was computed. [2021-10-13 00:00:00,316 INFO L853 garLoopResultBuilder]: At program point L92(lines 28 93) the Hoare annotation is: false [2021-10-13 00:00:00,316 INFO L857 garLoopResultBuilder]: For program point L43(lines 43 44) no Hoare annotation was computed. [2021-10-13 00:00:00,316 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 180) no Hoare annotation was computed. [2021-10-13 00:00:00,316 INFO L857 garLoopResultBuilder]: For program point L159-2(lines 119 185) no Hoare annotation was computed. [2021-10-13 00:00:00,317 INFO L857 garLoopResultBuilder]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-13 00:00:00,317 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:00:00,317 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 46) no Hoare annotation was computed. [2021-10-13 00:00:00,317 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 148) no Hoare annotation was computed. [2021-10-13 00:00:00,317 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 82) no Hoare annotation was computed. [2021-10-13 00:00:00,317 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2021-10-13 00:00:00,318 INFO L853 garLoopResultBuilder]: At program point L96-2(lines 96 100) the Hoare annotation is: false [2021-10-13 00:00:00,318 INFO L853 garLoopResultBuilder]: At program point L64-2(lines 64 73) the Hoare annotation is: false [2021-10-13 00:00:00,318 INFO L857 garLoopResultBuilder]: For program point L64-3(lines 28 93) no Hoare annotation was computed. [2021-10-13 00:00:00,318 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2021-10-13 00:00:00,318 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:00:00,318 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2021-10-13 00:00:00,319 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 53) no Hoare annotation was computed. [2021-10-13 00:00:00,319 INFO L857 garLoopResultBuilder]: For program point L49-2(lines 49 53) no Hoare annotation was computed. [2021-10-13 00:00:00,319 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2021-10-13 00:00:00,319 INFO L853 garLoopResultBuilder]: At program point L165-2(lines 165 169) the Hoare annotation is: false [2021-10-13 00:00:00,319 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-13 00:00:00,319 INFO L857 garLoopResultBuilder]: For program point L33-1(lines 33 37) no Hoare annotation was computed. [2021-10-13 00:00:00,319 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 70) no Hoare annotation was computed. [2021-10-13 00:00:00,320 INFO L853 garLoopResultBuilder]: At program point L33-2(lines 33 37) the Hoare annotation is: false [2021-10-13 00:00:00,320 INFO L857 garLoopResultBuilder]: For program point L33-3(lines 33 37) no Hoare annotation was computed. [2021-10-13 00:00:00,320 INFO L857 garLoopResultBuilder]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2021-10-13 00:00:00,320 INFO L857 garLoopResultBuilder]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2021-10-13 00:00:00,320 INFO L853 garLoopResultBuilder]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2021-10-13 00:00:00,320 INFO L853 garLoopResultBuilder]: At program point L17-2(lines 17 21) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short20| (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x)) [2021-10-13 00:00:00,321 INFO L857 garLoopResultBuilder]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2021-10-13 00:00:00,321 INFO L857 garLoopResultBuilder]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2021-10-13 00:00:00,321 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-13 00:00:00,321 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 148) no Hoare annotation was computed. [2021-10-13 00:00:00,321 INFO L857 garLoopResultBuilder]: For program point L199-2(lines 199 202) no Hoare annotation was computed. [2021-10-13 00:00:00,321 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 148) no Hoare annotation was computed. [2021-10-13 00:00:00,322 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-13 00:00:00,322 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 147) no Hoare annotation was computed. [2021-10-13 00:00:00,322 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-10-13 00:00:00,322 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 94 107) no Hoare annotation was computed. [2021-10-13 00:00:00,322 INFO L857 garLoopResultBuilder]: For program point L101-2(lines 101 105) no Hoare annotation was computed. [2021-10-13 00:00:00,329 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:00:00,341 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 00:00:00,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 00:00:00,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,350 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:00:00 BoogieIcfgContainer [2021-10-13 00:00:00,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:00:00,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:00:00,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:00:00,359 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:00:00,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:42" (3/4) ... [2021-10-13 00:00:00,363 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:00:00,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-13 00:00:00,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 00:00:00,380 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:00:00,380 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:00:00,407 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() [2021-10-13 00:00:00,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == res) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x [2021-10-13 00:00:00,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && ~Pluszero~LONGDOUBLE() == res) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32 [2021-10-13 00:00:00,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:00:00,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:00:00,454 INFO L168 Benchmark]: Toolchain (without parser) took 28975.10 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 34.7 MB in the beginning and 32.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:00,455 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:00,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.48 ms. Allocated memory is still 56.6 MB. Free memory was 34.5 MB in the beginning and 36.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:00,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.30 ms. Allocated memory is still 56.6 MB. Free memory was 36.6 MB in the beginning and 34.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:00,456 INFO L168 Benchmark]: Boogie Preprocessor took 89.44 ms. Allocated memory is still 56.6 MB. Free memory was 34.1 MB in the beginning and 31.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:00,457 INFO L168 Benchmark]: RCFGBuilder took 10581.72 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 31.8 MB in the beginning and 44.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:00,457 INFO L168 Benchmark]: TraceAbstraction took 17580.91 ms. Allocated memory is still 75.5 MB. Free memory was 44.4 MB in the beginning and 37.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:00,458 INFO L168 Benchmark]: Witness Printer took 94.07 ms. Allocated memory is still 75.5 MB. Free memory was 37.1 MB in the beginning and 32.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:00,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.48 ms. Allocated memory is still 56.6 MB. Free memory was 34.5 MB in the beginning and 36.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.30 ms. Allocated memory is still 56.6 MB. Free memory was 36.6 MB in the beginning and 34.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.44 ms. Allocated memory is still 56.6 MB. Free memory was 34.1 MB in the beginning and 31.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10581.72 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 31.8 MB in the beginning and 44.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17580.91 ms. Allocated memory is still 75.5 MB. Free memory was 44.4 MB in the beginning and 37.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Witness Printer took 94.07 ms. Allocated memory is still 75.5 MB. Free memory was 37.1 MB in the beginning and 32.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 200]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17471.6ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 17.7ms, AutomataDifference: 3661.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 567.9ms, InitialAbstractionConstructionTime: 23.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 267 SDtfs, 512 SDslu, 799 SDs, 0 SdLazy, 127 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2109.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3671.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 71.7ms AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 152 HoareAnnotationTreeSize, 13 FomulaSimplifications, 78 FormulaSimplificationTreeSizeReduction, 88.3ms HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 472.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 84.2ms SsaConstructionTime, 3844.6ms SatisfiabilityAnalysisTime, 7765.5ms InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 705 SizeOfPredicates, 28 NumberOfNonLiveVariables, 377 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant [2021-10-13 00:00:00,474 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-13 00:00:00,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((huge_asin == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_asin) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant [2021-10-13 00:00:00,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == res) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant [2021-10-13 00:00:00,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && ~Pluszero~LONGDOUBLE() == res) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32 - InvariantResult [Line: 119]: Loop Invariant [2021-10-13 00:00:00,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2021-10-13 00:00:00,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:00:00,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d7f13a-e85c-45f7-a916-3f85471f6f1f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...