./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0 --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 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:45:53,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:45:53,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:45:53,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:45:53,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:45:53,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:45:53,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:45:53,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:45:53,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:45:53,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:45:53,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:45:53,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:45:53,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:45:53,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:45:53,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:45:53,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:45:53,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:45:53,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:45:53,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:45:53,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:45:53,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:45:53,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:45:53,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:45:53,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:45:53,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:45:53,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:45:53,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:45:53,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:45:53,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:45:53,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:45:53,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:45:53,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:45:53,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:45:53,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:45:53,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:45:53,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:45:53,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:45:53,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:45:53,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:45:53,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:45:53,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:45:53,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 14:45:53,481 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:45:53,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:45:53,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:45:53,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:45:53,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:45:53,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:45:53,485 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:45:53,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:45:53,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:45:53,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:45:53,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:45:53,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:45:53,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:45:53,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:45:53,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:45:53,489 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:45:53,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:45:53,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:45:53,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:45:53,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:45:53,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:45:53,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:45:53,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:45:53,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:45:53,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:45:53,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:45:53,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:45:53,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:45:53,493 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:45:53,495 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:45:53,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:45:53,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:45:53,496 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_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d [2021-11-22 14:45:53,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:45:53,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:45:53,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:45:53,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:45:53,943 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:45:53,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2021-11-22 14:45:54,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/data/de167f04d/a95d2e46ecef402ea26beb72ae472023/FLAGe427ccacb [2021-11-22 14:45:54,774 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:45:54,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2021-11-22 14:45:54,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/data/de167f04d/a95d2e46ecef402ea26beb72ae472023/FLAGe427ccacb [2021-11-22 14:45:55,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/data/de167f04d/a95d2e46ecef402ea26beb72ae472023 [2021-11-22 14:45:55,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:45:55,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:45:55,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:45:55,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:45:55,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:45:55,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61668fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55, skipping insertion in model container [2021-11-22 14:45:55,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:45:55,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:45:55,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2021-11-22 14:45:55,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:45:55,473 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:45:55,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2021-11-22 14:45:55,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:45:55,549 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:45:55,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55 WrapperNode [2021-11-22 14:45:55,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:45:55,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:45:55,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:45:55,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:45:55,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,628 INFO L137 Inliner]: procedures = 20, calls = 92, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 550 [2021-11-22 14:45:55,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:45:55,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:45:55,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:45:55,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:45:55,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:45:55,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:45:55,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:45:55,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:45:55,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (1/1) ... [2021-11-22 14:45:55,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:45:55,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:55,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:55,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:45:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:45:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:45:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:45:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-22 14:45:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:45:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-22 14:45:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:45:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:45:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:45:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-22 14:45:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:45:55,992 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:45:55,994 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:45:56,639 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:45:56,651 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:45:56,651 INFO L301 CfgBuilder]: Removed 30 assume(true) statements. [2021-11-22 14:45:56,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:56 BoogieIcfgContainer [2021-11-22 14:45:56,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:45:56,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:45:56,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:45:56,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:45:56,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:45:55" (1/3) ... [2021-11-22 14:45:56,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475a43ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:56, skipping insertion in model container [2021-11-22 14:45:56,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:55" (2/3) ... [2021-11-22 14:45:56,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475a43ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:56, skipping insertion in model container [2021-11-22 14:45:56,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:56" (3/3) ... [2021-11-22 14:45:56,710 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2021-11-22 14:45:56,716 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:45:56,717 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 14:45:56,793 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:45:56,801 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 14:45:56,802 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 14:45:56,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 118 states have (on average 1.7033898305084745) internal successors, (201), 119 states have internal predecessors, (201), 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) [2021-11-22 14:45:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 14:45:56,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:45:56,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:45:56,833 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:45:56,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:56,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2021-11-22 14:45:56,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:56,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24256492] [2021-11-22 14:45:56,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:56,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:45:57,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:45:57,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24256492] [2021-11-22 14:45:57,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24256492] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:45:57,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:45:57,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:45:57,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053189006] [2021-11-22 14:45:57,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:45:57,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 14:45:57,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:45:57,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 14:45:57,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:45:57,166 INFO L87 Difference]: Start difference. First operand has 120 states, 118 states have (on average 1.7033898305084745) internal successors, (201), 119 states have internal predecessors, (201), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-11-22 14:45:57,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:45:57,237 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2021-11-22 14:45:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 14:45:57,241 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-11-22 14:45:57,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:45:57,262 INFO L225 Difference]: With dead ends: 237 [2021-11-22 14:45:57,263 INFO L226 Difference]: Without dead ends: 116 [2021-11-22 14:45:57,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:45:57,274 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:45:57,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:45:57,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-22 14:45:57,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-11-22 14:45:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.434782608695652) internal successors, (165), 115 states have internal predecessors, (165), 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) [2021-11-22 14:45:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2021-11-22 14:45:57,321 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2021-11-22 14:45:57,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:45:57,322 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2021-11-22 14:45:57,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-11-22 14:45:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2021-11-22 14:45:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 14:45:57,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:45:57,324 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:45:57,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:45:57,325 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:45:57,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:57,326 INFO L85 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2021-11-22 14:45:57,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:57,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552435735] [2021-11-22 14:45:57,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:57,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:57,434 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:45:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:57,560 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:45:57,560 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 14:45:57,563 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 14:45:57,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:45:57,570 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-22 14:45:57,573 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 14:45:57,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:45:57 BoogieIcfgContainer [2021-11-22 14:45:57,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 14:45:57,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:45:57,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:45:57,624 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:45:57,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:56" (3/4) ... [2021-11-22 14:45:57,628 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 14:45:57,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:45:57,630 INFO L158 Benchmark]: Toolchain (without parser) took 2549.43ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 51.6MB in the beginning and 60.4MB in the end (delta: -8.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-22 14:45:57,631 INFO L158 Benchmark]: CDTParser took 1.23ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:45:57,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.08ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 63.3MB in the end (delta: -11.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 14:45:57,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.25ms. Allocated memory is still 94.4MB. Free memory was 63.3MB in the beginning and 59.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:45:57,633 INFO L158 Benchmark]: Boogie Preprocessor took 77.16ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 56.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 14:45:57,634 INFO L158 Benchmark]: RCFGBuilder took 953.52ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 30.0MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-22 14:45:57,635 INFO L158 Benchmark]: TraceAbstraction took 923.71ms. Allocated memory is still 119.5MB. Free memory was 92.3MB in the beginning and 61.0MB in the end (delta: 31.3MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-11-22 14:45:57,635 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 119.5MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:45:57,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.08ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 63.3MB in the end (delta: -11.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.25ms. Allocated memory is still 94.4MB. Free memory was 63.3MB in the beginning and 59.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.16ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 56.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 953.52ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 30.0MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 923.71ms. Allocated memory is still 119.5MB. Free memory was 92.3MB in the beginning and 61.0MB in the end (delta: 31.3MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 119.5MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 273]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 267, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 272. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L266] double x = __VERIFIER_nondet_double(); [L267] double y = -0.0; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L269] COND TRUE x > 0.0 [L270] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2, hy=-1, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2, hy=-1, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L270] RET, EXPR __ieee754_atan2(y, x) [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, res == -0.0 && __signbit_double(res) == 1=0, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L272] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L273] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 170 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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 [2021-11-22 14:45:57,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0 --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 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:46:00,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:46:00,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:46:00,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:46:00,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:46:00,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:46:00,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:46:00,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:46:00,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:46:00,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:46:00,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:46:00,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:46:00,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:46:00,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:46:00,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:46:00,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:46:00,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:46:00,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:46:00,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:46:00,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:46:00,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:46:00,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:46:00,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:46:00,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:46:00,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:46:00,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:46:00,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:46:00,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:46:00,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:46:00,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:46:00,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:46:00,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:46:00,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:46:00,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:46:00,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:46:00,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:46:00,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:46:00,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:46:00,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:46:00,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:46:00,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:46:00,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-22 14:46:00,675 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:46:00,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:46:00,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:46:00,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:46:00,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:46:00,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:46:00,679 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:46:00,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:46:00,680 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:46:00,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:46:00,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:46:00,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:46:00,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:46:00,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:46:00,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 14:46:00,683 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 14:46:00,683 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 14:46:00,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:46:00,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:46:00,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:46:00,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:46:00,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:46:00,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:46:00,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:46:00,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:46:00,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:46:00,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:46:00,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:46:00,686 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 14:46:00,686 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 14:46:00,687 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:46:00,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:46:00,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:46:00,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:46:00,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 14:46:00,688 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_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d [2021-11-22 14:46:01,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:46:01,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:46:01,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:46:01,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:46:01,166 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:46:01,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2021-11-22 14:46:01,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/data/8dde0ca83/9edd96e7af774e3886d6846b5172f9df/FLAGfc0459fe0 [2021-11-22 14:46:01,851 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:46:01,852 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2021-11-22 14:46:01,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/data/8dde0ca83/9edd96e7af774e3886d6846b5172f9df/FLAGfc0459fe0 [2021-11-22 14:46:02,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/data/8dde0ca83/9edd96e7af774e3886d6846b5172f9df [2021-11-22 14:46:02,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:46:02,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:46:02,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:46:02,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:46:02,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:46:02,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b2426c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02, skipping insertion in model container [2021-11-22 14:46:02,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:46:02,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:46:02,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2021-11-22 14:46:02,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:46:02,545 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:46:02,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2021-11-22 14:46:02,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:46:02,720 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:46:02,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02 WrapperNode [2021-11-22 14:46:02,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:46:02,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:46:02,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:46:02,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:46:02,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,835 INFO L137 Inliner]: procedures = 23, calls = 92, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 550 [2021-11-22 14:46:02,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:46:02,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:46:02,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:46:02,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:46:02,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:46:02,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:46:02,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:46:02,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:46:02,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (1/1) ... [2021-11-22 14:46:02,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:46:03,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:46:03,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:46:03,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:46:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:46:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-22 14:46:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-22 14:46:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 14:46:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:46:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-22 14:46:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 14:46:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:46:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:46:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 14:46:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:46:03,258 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:46:03,260 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:46:43,622 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:46:43,632 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:46:43,633 INFO L301 CfgBuilder]: Removed 30 assume(true) statements. [2021-11-22 14:46:43,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:46:43 BoogieIcfgContainer [2021-11-22 14:46:43,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:46:43,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:46:43,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:46:43,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:46:43,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:46:02" (1/3) ... [2021-11-22 14:46:43,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468b6fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:46:43, skipping insertion in model container [2021-11-22 14:46:43,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:02" (2/3) ... [2021-11-22 14:46:43,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468b6fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:46:43, skipping insertion in model container [2021-11-22 14:46:43,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:46:43" (3/3) ... [2021-11-22 14:46:43,661 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2021-11-22 14:46:43,668 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:46:43,668 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 14:46:43,720 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:46:43,729 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 14:46:43,729 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 14:46:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 118 states have (on average 1.7033898305084745) internal successors, (201), 119 states have internal predecessors, (201), 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) [2021-11-22 14:46:43,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 14:46:43,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:46:43,762 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:46:43,763 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:46:43,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:46:43,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2021-11-22 14:46:43,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:46:43,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254093437] [2021-11-22 14:46:43,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:46:43,793 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:46:43,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:46:43,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:46:43,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 14:46:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:46:44,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 14:46:44,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:46:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:44,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:46:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:44,834 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:46:44,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254093437] [2021-11-22 14:46:44,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [254093437] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:46:44,835 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:46:44,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-22 14:46:44,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526171570] [2021-11-22 14:46:44,838 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:46:44,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 14:46:44,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:46:44,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 14:46:44,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:46:44,900 INFO L87 Difference]: Start difference. First operand has 120 states, 118 states have (on average 1.7033898305084745) internal successors, (201), 119 states have internal predecessors, (201), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-11-22 14:46:44,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:46:44,975 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2021-11-22 14:46:44,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 14:46:44,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-11-22 14:46:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:46:44,990 INFO L225 Difference]: With dead ends: 237 [2021-11-22 14:46:44,991 INFO L226 Difference]: Without dead ends: 116 [2021-11-22 14:46:44,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:46:44,999 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:46:45,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:46:45,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-22 14:46:45,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-11-22 14:46:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.434782608695652) internal successors, (165), 115 states have internal predecessors, (165), 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) [2021-11-22 14:46:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2021-11-22 14:46:45,060 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2021-11-22 14:46:45,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:46:45,061 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2021-11-22 14:46:45,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-11-22 14:46:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2021-11-22 14:46:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 14:46:45,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:46:45,063 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:46:45,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-22 14:46:45,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:46:45,268 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:46:45,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:46:45,269 INFO L85 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2021-11-22 14:46:45,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:46:45,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779778258] [2021-11-22 14:46:45,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:46:45,272 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:46:45,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:46:45,288 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:46:45,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 14:46:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:46:45,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 14:46:45,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:46:46,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2021-11-22 14:46:49,823 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:46:49,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 26 [2021-11-22 14:46:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:46:51,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:47:17,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 70 [2021-11-22 14:47:42,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:47:42,790 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:47:42,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779778258] [2021-11-22 14:47:42,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1779778258] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:47:42,791 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:47:42,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-22 14:47:42,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796126680] [2021-11-22 14:47:42,792 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:47:42,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 14:47:42,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:47:42,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 14:47:42,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=131, Unknown=20, NotChecked=0, Total=182 [2021-11-22 14:47:42,795 INFO L87 Difference]: Start difference. First operand 116 states and 165 transitions. Second operand has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:00,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:00,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:48:00,526 INFO L93 Difference]: Finished difference Result 125 states and 174 transitions. [2021-11-22 14:48:00,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 14:48:00,769 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-22 14:48:00,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:48:00,772 INFO L225 Difference]: With dead ends: 125 [2021-11-22 14:48:00,772 INFO L226 Difference]: Without dead ends: 116 [2021-11-22 14:48:00,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 63.5s TimeCoverageRelationStatistics Valid=46, Invalid=167, Unknown=27, NotChecked=0, Total=240 [2021-11-22 14:48:00,774 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 5 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-22 14:48:00,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 1369 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 53 Unchecked, 2.8s Time] [2021-11-22 14:48:00,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-22 14:48:00,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-11-22 14:48:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.4260869565217391) internal successors, (164), 115 states have internal predecessors, (164), 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) [2021-11-22 14:48:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2021-11-22 14:48:00,791 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 164 transitions. Word has length 14 [2021-11-22 14:48:00,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:48:00,792 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-11-22 14:48:00,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2021-11-22 14:48:00,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 14:48:00,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:48:00,794 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:48:00,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:48:01,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:48:01,012 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:48:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:48:01,012 INFO L85 PathProgramCache]: Analyzing trace with hash -638178812, now seen corresponding path program 1 times [2021-11-22 14:48:01,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:48:01,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819971518] [2021-11-22 14:48:01,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:48:01,013 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:48:01,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:48:01,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:48:01,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-22 14:48:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:48:01,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 14:48:01,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:48:01,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-22 14:48:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:03,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:48:04,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-11-22 14:48:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:05,387 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:48:05,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819971518] [2021-11-22 14:48:05,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819971518] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:48:05,388 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:48:05,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-22 14:48:05,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313875586] [2021-11-22 14:48:05,388 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:48:05,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 14:48:05,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:48:05,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 14:48:05,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-22 14:48:05,390 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2021-11-22 14:48:09,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:09,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:48:09,022 INFO L93 Difference]: Finished difference Result 181 states and 255 transitions. [2021-11-22 14:48:09,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 14:48:09,226 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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 19 [2021-11-22 14:48:09,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:48:09,227 INFO L225 Difference]: With dead ends: 181 [2021-11-22 14:48:09,228 INFO L226 Difference]: Without dead ends: 109 [2021-11-22 14:48:09,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-11-22 14:48:09,230 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 146 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:48:09,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 968 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 1 Unknown, 22 Unchecked, 3.0s Time] [2021-11-22 14:48:09,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-22 14:48:09,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-11-22 14:48:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 108 states have internal predecessors, (149), 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) [2021-11-22 14:48:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 149 transitions. [2021-11-22 14:48:09,245 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 149 transitions. Word has length 19 [2021-11-22 14:48:09,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:48:09,246 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 149 transitions. [2021-11-22 14:48:09,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2021-11-22 14:48:09,247 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2021-11-22 14:48:09,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 14:48:09,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:48:09,248 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:48:09,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-22 14:48:09,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:48:09,460 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:48:09,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:48:09,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1963663166, now seen corresponding path program 1 times [2021-11-22 14:48:09,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:48:09,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188370255] [2021-11-22 14:48:09,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:48:09,462 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:48:09,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:48:09,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:48:09,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-22 14:48:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:48:09,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 14:48:09,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:48:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:11,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:48:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:15,446 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:48:15,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188370255] [2021-11-22 14:48:15,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188370255] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:48:15,446 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:48:15,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-22 14:48:15,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489861132] [2021-11-22 14:48:15,447 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:48:15,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 14:48:15,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:48:15,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 14:48:15,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-22 14:48:15,449 INFO L87 Difference]: Start difference. First operand 109 states and 149 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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) [2021-11-22 14:48:19,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:20,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:48:20,107 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2021-11-22 14:48:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 14:48:20,108 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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 19 [2021-11-22 14:48:20,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:48:20,110 INFO L225 Difference]: With dead ends: 188 [2021-11-22 14:48:20,110 INFO L226 Difference]: Without dead ends: 118 [2021-11-22 14:48:20,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-22 14:48:20,113 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 56 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:48:20,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 1208 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 1 Unknown, 21 Unchecked, 4.1s Time] [2021-11-22 14:48:20,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-22 14:48:20,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 109. [2021-11-22 14:48:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 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) [2021-11-22 14:48:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2021-11-22 14:48:20,127 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 148 transitions. Word has length 19 [2021-11-22 14:48:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:48:20,127 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 148 transitions. [2021-11-22 14:48:20,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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) [2021-11-22 14:48:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2021-11-22 14:48:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 14:48:20,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:48:20,129 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:48:20,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-22 14:48:20,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:48:20,351 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:48:20,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:48:20,352 INFO L85 PathProgramCache]: Analyzing trace with hash -188655804, now seen corresponding path program 1 times [2021-11-22 14:48:20,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:48:20,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948821809] [2021-11-22 14:48:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:48:20,353 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:48:20,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:48:20,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:48:20,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-22 14:48:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:48:20,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 14:48:20,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:48:21,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:21,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:48:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:23,287 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:48:23,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948821809] [2021-11-22 14:48:23,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948821809] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:48:23,288 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:48:23,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-22 14:48:23,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118441825] [2021-11-22 14:48:23,288 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:48:23,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 14:48:23,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:48:23,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 14:48:23,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-22 14:48:23,290 INFO L87 Difference]: Start difference. First operand 109 states and 148 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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) [2021-11-22 14:48:27,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:30,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:32,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:48:32,389 INFO L93 Difference]: Finished difference Result 121 states and 159 transitions. [2021-11-22 14:48:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 14:48:32,390 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 19 [2021-11-22 14:48:32,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:48:32,391 INFO L225 Difference]: With dead ends: 121 [2021-11-22 14:48:32,391 INFO L226 Difference]: Without dead ends: 118 [2021-11-22 14:48:32,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-22 14:48:32,394 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 467 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:48:32,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [467 Valid, 413 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-11-22 14:48:32,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-22 14:48:32,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 111. [2021-11-22 14:48:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.3636363636363635) internal successors, (150), 110 states have internal predecessors, (150), 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) [2021-11-22 14:48:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 150 transitions. [2021-11-22 14:48:32,409 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 150 transitions. Word has length 19 [2021-11-22 14:48:32,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:48:32,409 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 150 transitions. [2021-11-22 14:48:32,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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) [2021-11-22 14:48:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 150 transitions. [2021-11-22 14:48:32,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 14:48:32,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:48:32,412 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:48:32,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-22 14:48:32,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:48:32,634 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:48:32,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:48:32,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1767295182, now seen corresponding path program 1 times [2021-11-22 14:48:32,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:48:32,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194803946] [2021-11-22 14:48:32,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:48:32,637 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:48:32,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:48:32,638 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:48:32,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-22 14:48:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:48:32,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 14:48:32,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:48:33,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-22 14:48:35,616 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:48:35,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 21 [2021-11-22 14:48:38,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:38,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:48:43,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:43,608 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:48:43,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194803946] [2021-11-22 14:48:43,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194803946] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:48:43,609 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:48:43,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-22 14:48:43,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968813970] [2021-11-22 14:48:43,609 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:48:43,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 14:48:43,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:48:43,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 14:48:43,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-22 14:48:43,611 INFO L87 Difference]: Start difference. First operand 111 states and 150 transitions. Second operand has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 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) [2021-11-22 14:48:45,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:48:45,355 INFO L93 Difference]: Finished difference Result 120 states and 159 transitions. [2021-11-22 14:48:45,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 14:48:45,356 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 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 20 [2021-11-22 14:48:45,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:48:45,357 INFO L225 Difference]: With dead ends: 120 [2021-11-22 14:48:45,357 INFO L226 Difference]: Without dead ends: 52 [2021-11-22 14:48:45,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-11-22 14:48:45,363 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 8 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:48:45,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 406 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 13 Unchecked, 0.3s Time] [2021-11-22 14:48:45,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-22 14:48:45,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-22 14:48:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 51 states have internal predecessors, (64), 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) [2021-11-22 14:48:45,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2021-11-22 14:48:45,372 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 20 [2021-11-22 14:48:45,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:48:45,373 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2021-11-22 14:48:45,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 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) [2021-11-22 14:48:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2021-11-22 14:48:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 14:48:45,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:48:45,376 INFO L514 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] [2021-11-22 14:48:45,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-22 14:48:45,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:48:45,579 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:48:45,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:48:45,580 INFO L85 PathProgramCache]: Analyzing trace with hash 328100550, now seen corresponding path program 1 times [2021-11-22 14:48:45,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:48:45,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257773289] [2021-11-22 14:48:45,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:48:45,581 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:48:45,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:48:45,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:48:45,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-22 14:48:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:48:45,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 14:48:45,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:48:47,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:47,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:48:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:50,863 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:48:50,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257773289] [2021-11-22 14:48:50,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257773289] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:48:50,864 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:48:50,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-22 14:48:50,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299456402] [2021-11-22 14:48:50,865 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:48:50,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 14:48:50,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:48:50,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 14:48:50,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-22 14:48:50,867 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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) [2021-11-22 14:48:55,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:48:58,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:00,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:03,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:06,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:09,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:12,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:12,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:49:12,672 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2021-11-22 14:49:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 14:49:12,896 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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 23 [2021-11-22 14:49:12,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:49:12,897 INFO L225 Difference]: With dead ends: 69 [2021-11-22 14:49:12,897 INFO L226 Difference]: Without dead ends: 55 [2021-11-22 14:49:12,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-11-22 14:49:12,899 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 66 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2021-11-22 14:49:12,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 410 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 7 Unknown, 30 Unchecked, 20.9s Time] [2021-11-22 14:49:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-22 14:49:12,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2021-11-22 14:49:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 47 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:49:12,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2021-11-22 14:49:12,906 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 23 [2021-11-22 14:49:12,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:49:12,907 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2021-11-22 14:49:12,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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) [2021-11-22 14:49:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2021-11-22 14:49:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 14:49:12,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:49:12,909 INFO L514 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] [2021-11-22 14:49:12,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-22 14:49:13,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:49:13,123 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:49:13,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:49:13,124 INFO L85 PathProgramCache]: Analyzing trace with hash -105632341, now seen corresponding path program 1 times [2021-11-22 14:49:13,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:49:13,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914336867] [2021-11-22 14:49:13,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:49:13,125 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:49:13,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:49:13,125 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:49:13,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-22 14:49:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:49:13,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 14:49:13,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:49:15,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:49:15,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:49:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:49:18,690 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:49:18,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914336867] [2021-11-22 14:49:18,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914336867] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:49:18,690 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:49:18,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-22 14:49:18,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31764510] [2021-11-22 14:49:18,691 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:49:18,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 14:49:18,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:49:18,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 14:49:18,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-22 14:49:18,693 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 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) [2021-11-22 14:49:25,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:29,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:31,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:33,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:37,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:40,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:43,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:45,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:49:46,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:49:46,278 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2021-11-22 14:49:46,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 14:49:46,279 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 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 23 [2021-11-22 14:49:46,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:49:46,280 INFO L225 Difference]: With dead ends: 69 [2021-11-22 14:49:46,280 INFO L226 Difference]: Without dead ends: 66 [2021-11-22 14:49:46,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-11-22 14:49:46,281 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 127 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:49:46,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 372 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 8 Unknown, 0 Unchecked, 25.1s Time] [2021-11-22 14:49:46,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-11-22 14:49:46,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 49. [2021-11-22 14:49:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 48 states have internal predecessors, (58), 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) [2021-11-22 14:49:46,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2021-11-22 14:49:46,287 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 23 [2021-11-22 14:49:46,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:49:46,288 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2021-11-22 14:49:46,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 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) [2021-11-22 14:49:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2021-11-22 14:49:46,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 14:49:46,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:49:46,289 INFO L514 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] [2021-11-22 14:49:46,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-22 14:49:46,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:49:46,499 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:49:46,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:49:46,500 INFO L85 PathProgramCache]: Analyzing trace with hash -640851047, now seen corresponding path program 1 times [2021-11-22 14:49:46,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:49:46,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284371200] [2021-11-22 14:49:46,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:49:46,500 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:49:46,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:49:46,501 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:49:46,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-22 14:49:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:49:46,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 14:49:46,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:49:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:49:50,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:49:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:49:56,873 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:49:56,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284371200] [2021-11-22 14:49:56,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [284371200] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:49:56,873 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:49:56,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2021-11-22 14:49:56,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977142578] [2021-11-22 14:49:56,874 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:49:56,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-22 14:49:56,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:49:56,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-22 14:49:56,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-11-22 14:49:56,876 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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) [2021-11-22 14:50:01,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:50:01,482 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2021-11-22 14:50:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 14:50:01,483 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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 23 [2021-11-22 14:50:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:50:01,484 INFO L225 Difference]: With dead ends: 61 [2021-11-22 14:50:01,484 INFO L226 Difference]: Without dead ends: 48 [2021-11-22 14:50:01,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2021-11-22 14:50:01,485 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 119 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:50:01,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 380 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 25 Unchecked, 1.2s Time] [2021-11-22 14:50:01,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-22 14:50:01,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2021-11-22 14:50:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 44 states have internal predecessors, (53), 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) [2021-11-22 14:50:01,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2021-11-22 14:50:01,492 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 23 [2021-11-22 14:50:01,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:50:01,493 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2021-11-22 14:50:01,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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) [2021-11-22 14:50:01,493 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2021-11-22 14:50:01,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 14:50:01,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:50:01,495 INFO L514 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] [2021-11-22 14:50:01,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:01,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:50:01,707 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:50:01,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:01,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1163080375, now seen corresponding path program 1 times [2021-11-22 14:50:01,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:50:01,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313276329] [2021-11-22 14:50:01,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:01,709 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:50:01,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:50:01,710 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:50:01,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-22 14:50:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:06,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 14:50:06,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:50:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:09,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:50:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:12,583 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:50:12,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313276329] [2021-11-22 14:50:12,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313276329] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:12,584 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:12,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-22 14:50:12,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298701720] [2021-11-22 14:50:12,584 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:12,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 14:50:12,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:50:12,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 14:50:12,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-22 14:50:12,585 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 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) [2021-11-22 14:50:16,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:50:19,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:50:22,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:50:25,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:50:25,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:50:25,449 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2021-11-22 14:50:25,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 14:50:25,681 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-22 14:50:25,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:50:25,682 INFO L225 Difference]: With dead ends: 60 [2021-11-22 14:50:25,682 INFO L226 Difference]: Without dead ends: 45 [2021-11-22 14:50:25,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-11-22 14:50:25,684 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 29 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2021-11-22 14:50:25,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 275 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 4 Unknown, 22 Unchecked, 11.9s Time] [2021-11-22 14:50:25,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-22 14:50:25,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-22 14:50:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 44 states have internal predecessors, (52), 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) [2021-11-22 14:50:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2021-11-22 14:50:25,690 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 25 [2021-11-22 14:50:25,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:50:25,691 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2021-11-22 14:50:25,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 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) [2021-11-22 14:50:25,691 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2021-11-22 14:50:25,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 14:50:25,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:50:25,693 INFO L514 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] [2021-11-22 14:50:25,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:25,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:50:25,919 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:50:25,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:25,919 INFO L85 PathProgramCache]: Analyzing trace with hash 782702068, now seen corresponding path program 1 times [2021-11-22 14:50:25,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:50:25,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677879858] [2021-11-22 14:50:25,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:25,920 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:50:25,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:50:25,921 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:50:25,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-22 14:50:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:30,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 14:50:30,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:50:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:35,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:50:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:59,430 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:50:59,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677879858] [2021-11-22 14:50:59,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1677879858] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:59,430 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:59,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-22 14:50:59,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6187008] [2021-11-22 14:50:59,431 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:59,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 14:50:59,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:50:59,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 14:50:59,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-22 14:50:59,432 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 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) [2021-11-22 14:51:05,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:08,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:11,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:14,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:18,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:20,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:22,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:24,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:26,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:28,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:30,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:32,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:34,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:36,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:39,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:41,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:43,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:45,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:47,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 14:51:47,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:51:47,244 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2021-11-22 14:51:47,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 14:51:47,323 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-22 14:51:47,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:51:47,323 INFO L225 Difference]: With dead ends: 66 [2021-11-22 14:51:47,323 INFO L226 Difference]: Without dead ends: 51 [2021-11-22 14:51:47,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-22 14:51:47,325 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 120 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.6s IncrementalHoareTripleChecker+Time [2021-11-22 14:51:47,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 112 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 19 Unknown, 0 Unchecked, 46.6s Time] [2021-11-22 14:51:47,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-22 14:51:47,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2021-11-22 14:51:47,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 43 states have internal predecessors, (50), 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) [2021-11-22 14:51:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2021-11-22 14:51:47,331 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 26 [2021-11-22 14:51:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:51:47,331 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2021-11-22 14:51:47,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 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) [2021-11-22 14:51:47,331 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2021-11-22 14:51:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 14:51:47,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:51:47,333 INFO L514 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] [2021-11-22 14:51:47,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-22 14:51:47,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:51:47,543 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:51:47,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:47,544 INFO L85 PathProgramCache]: Analyzing trace with hash -485446016, now seen corresponding path program 1 times [2021-11-22 14:51:47,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:51:47,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653710760] [2021-11-22 14:51:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:47,544 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:51:47,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:51:47,545 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:51:47,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-22 14:51:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:51:47,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 14:51:47,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:51:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:51:53,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:52:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:52:03,383 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:52:03,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653710760] [2021-11-22 14:52:03,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653710760] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:52:03,384 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:52:03,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 20 [2021-11-22 14:52:03,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497849058] [2021-11-22 14:52:03,384 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:52:03,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-22 14:52:03,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:52:03,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-22 14:52:03,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-11-22 14:52:03,386 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 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) [2021-11-22 14:52:10,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:52:10,180 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2021-11-22 14:52:10,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-22 14:52:10,181 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 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 27 [2021-11-22 14:52:10,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:52:10,182 INFO L225 Difference]: With dead ends: 54 [2021-11-22 14:52:10,182 INFO L226 Difference]: Without dead ends: 42 [2021-11-22 14:52:10,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=168, Invalid=644, Unknown=0, NotChecked=0, Total=812 [2021-11-22 14:52:10,183 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 179 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 66 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 14:52:10,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 421 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 66 Unchecked, 1.6s Time] [2021-11-22 14:52:10,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-11-22 14:52:10,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2021-11-22 14:52:10,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 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) [2021-11-22 14:52:10,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2021-11-22 14:52:10,188 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 27 [2021-11-22 14:52:10,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:52:10,189 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2021-11-22 14:52:10,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 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) [2021-11-22 14:52:10,189 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2021-11-22 14:52:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 14:52:10,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:52:10,190 INFO L514 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] [2021-11-22 14:52:10,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-22 14:52:10,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:52:10,391 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:52:10,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:52:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash -947068720, now seen corresponding path program 1 times [2021-11-22 14:52:10,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 14:52:10,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327894001] [2021-11-22 14:52:10,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:52:10,393 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 14:52:10,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 14:52:10,394 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 14:52:10,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-22 14:52:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:52:15,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 14:52:15,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:52:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:52:18,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:52:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:52:22,001 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 14:52:22,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327894001] [2021-11-22 14:52:22,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327894001] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 14:52:22,001 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:52:22,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-22 14:52:22,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463456810] [2021-11-22 14:52:22,002 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 14:52:22,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 14:52:22,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 14:52:22,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 14:52:22,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-22 14:52:22,004 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2021-11-22 14:52:23,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:52:23,259 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2021-11-22 14:52:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 14:52:23,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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 31 [2021-11-22 14:52:23,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:52:23,260 INFO L225 Difference]: With dead ends: 39 [2021-11-22 14:52:23,260 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 14:52:23,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-11-22 14:52:23,261 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 18 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:52:23,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 49 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 8 Unchecked, 0.2s Time] [2021-11-22 14:52:23,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 14:52:23,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 14:52:23,262 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) [2021-11-22 14:52:23,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 14:52:23,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-11-22 14:52:23,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:52:23,263 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:52:23,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2021-11-22 14:52:23,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 14:52:23,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 14:52:23,266 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 14:52:23,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-11-22 14:52:23,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 14:52:23,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 14:52:31,136 INFO L858 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-11-22 14:52:31,136 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2021-11-22 14:52:31,137 INFO L854 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= (_ bv0 32) (bvor |ULTIMATE.start___ieee754_atan2_~iy~0#1| |ULTIMATE.start___ieee754_atan2_~ly~0#1|)) (= |ULTIMATE.start_atan_double_~x#1| .cse0) (= .cse0 |ULTIMATE.start_main_~y~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) |ULTIMATE.start___ieee754_atan2_~hy~0#1|) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))))) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-22 14:52:31,137 INFO L858 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2021-11-22 14:52:31,137 INFO L858 garLoopResultBuilder]: For program point L70-5(lines 70 74) no Hoare annotation was computed. [2021-11-22 14:52:31,137 INFO L854 garLoopResultBuilder]: At program point L70-6(lines 70 74) the Hoare annotation is: false [2021-11-22 14:52:31,137 INFO L858 garLoopResultBuilder]: For program point L70-7(lines 70 74) no Hoare annotation was computed. [2021-11-22 14:52:31,137 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 276) no Hoare annotation was computed. [2021-11-22 14:52:31,137 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-22 14:52:31,138 INFO L858 garLoopResultBuilder]: For program point L269-2(lines 269 276) no Hoare annotation was computed. [2021-11-22 14:52:31,138 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2021-11-22 14:52:31,138 INFO L858 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2021-11-22 14:52:31,138 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2021-11-22 14:52:31,138 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-11-22 14:52:31,138 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-11-22 14:52:31,139 INFO L858 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2021-11-22 14:52:31,139 INFO L858 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2021-11-22 14:52:31,139 INFO L858 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-11-22 14:52:31,139 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 275) no Hoare annotation was computed. [2021-11-22 14:52:31,139 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-22 14:52:31,140 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2021-11-22 14:52:31,140 INFO L858 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2021-11-22 14:52:31,140 INFO L858 garLoopResultBuilder]: For program point L107-3(lines 107 113) no Hoare annotation was computed. [2021-11-22 14:52:31,140 INFO L858 garLoopResultBuilder]: For program point L107-5(lines 90 115) no Hoare annotation was computed. [2021-11-22 14:52:31,140 INFO L858 garLoopResultBuilder]: For program point L273(line 273) no Hoare annotation was computed. [2021-11-22 14:52:31,140 INFO L858 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-11-22 14:52:31,140 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-22 14:52:31,141 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2021-11-22 14:52:31,141 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 76 89) no Hoare annotation was computed. [2021-11-22 14:52:31,141 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-11-22 14:52:31,141 INFO L854 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0) (= |ULTIMATE.start___ieee754_atan2_#res#1| .cse0) (= (_ bv0 32) (bvor |ULTIMATE.start___ieee754_atan2_~iy~0#1| |ULTIMATE.start___ieee754_atan2_~ly~0#1|)) (= .cse0 |ULTIMATE.start_main_~y~0#1|))) [2021-11-22 14:52:31,141 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-11-22 14:52:31,141 INFO L854 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2021-11-22 14:52:31,142 INFO L858 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2021-11-22 14:52:31,142 INFO L858 garLoopResultBuilder]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2021-11-22 14:52:31,142 INFO L854 garLoopResultBuilder]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2021-11-22 14:52:31,142 INFO L858 garLoopResultBuilder]: For program point L78-7(lines 76 89) no Hoare annotation was computed. [2021-11-22 14:52:31,142 INFO L861 garLoopResultBuilder]: At program point L278(lines 258 279) the Hoare annotation is: true [2021-11-22 14:52:31,143 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-22 14:52:31,143 INFO L858 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-11-22 14:52:31,143 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2021-11-22 14:52:31,143 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2021-11-22 14:52:31,143 INFO L854 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (fp.gt |ULTIMATE.start___ieee754_atan2_~x#1| (_ +zero 11 53)) (= .cse0 |ULTIMATE.start_main_~y~0#1|) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-22 14:52:31,143 INFO L858 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2021-11-22 14:52:31,143 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 249 253) no Hoare annotation was computed. [2021-11-22 14:52:31,144 INFO L858 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-11-22 14:52:31,144 INFO L854 garLoopResultBuilder]: At program point L249-2(lines 249 253) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0) (= |ULTIMATE.start___ieee754_atan2_#res#1| .cse0) |ULTIMATE.start_main_#t~short46#1| (= .cse0 |ULTIMATE.start___signbit_double_~x#1|) (= (_ bv0 32) (bvor |ULTIMATE.start___ieee754_atan2_~iy~0#1| |ULTIMATE.start___ieee754_atan2_~ly~0#1|)) (= .cse0 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2021-11-22 14:52:31,144 INFO L858 garLoopResultBuilder]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2021-11-22 14:52:31,144 INFO L858 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2021-11-22 14:52:31,144 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2021-11-22 14:52:31,144 INFO L858 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2021-11-22 14:52:31,145 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2021-11-22 14:52:31,145 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 88) no Hoare annotation was computed. [2021-11-22 14:52:31,145 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 14:52:31,145 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2021-11-22 14:52:31,145 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2021-11-22 14:52:31,146 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2021-11-22 14:52:31,146 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-11-22 14:52:31,146 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-11-22 14:52:31,146 INFO L858 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-11-22 14:52:31,146 INFO L854 garLoopResultBuilder]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2021-11-22 14:52:31,147 INFO L858 garLoopResultBuilder]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2021-11-22 14:52:31,147 INFO L854 garLoopResultBuilder]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2021-11-22 14:52:31,147 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2021-11-22 14:52:31,147 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2021-11-22 14:52:31,147 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-22 14:52:31,148 INFO L854 garLoopResultBuilder]: At program point L255(lines 246 256) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0) |ULTIMATE.start_main_#t~short46#1| (= (_ bv0 32) (bvor |ULTIMATE.start___ieee754_atan2_~iy~0#1| |ULTIMATE.start___ieee754_atan2_~ly~0#1|)) (= .cse0 |ULTIMATE.start_main_~y~0#1|) (= (_ bv1 32) |ULTIMATE.start___signbit_double_#res#1|))) [2021-11-22 14:52:31,148 INFO L858 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2021-11-22 14:52:31,148 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2021-11-22 14:52:31,148 INFO L854 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (exists ((|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_33| (_ BitVec 64))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5|))) (let ((.cse1 (select .cse3 (_ bv0 32))) (.cse2 (select .cse3 (_ bv4 32)))) (and (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_33|) .cse1) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_33|) .cse2) (= |ULTIMATE.start___ieee754_atan2_~lx~0#1| .cse1) (fp.gt (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_33|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_33|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_33|)) (_ +zero 11 53)) (= |ULTIMATE.start___ieee754_atan2_~ix~1#1| (bvand (_ bv2147483647 32) .cse2)))))) (exists ((|v_skolemized_q#valueAsBitvector_37| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14| (_ BitVec 32))) (let ((.cse5 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14|))) (let ((.cse4 (select .cse5 (_ bv4 32)))) (and (= |ULTIMATE.start___ieee754_atan2_~hx~1#1| .cse4) (fp.gt (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_37|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_37|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_37|)) (_ +zero 11 53)) (= (select .cse5 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_37|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_37|) .cse4))))) (= .cse0 |ULTIMATE.start_main_~y~0#1|) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-22 14:52:31,149 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2021-11-22 14:52:31,149 INFO L858 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2021-11-22 14:52:31,149 INFO L858 garLoopResultBuilder]: For program point L90-2(lines 90 115) no Hoare annotation was computed. [2021-11-22 14:52:31,149 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 14:52:31,150 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-11-22 14:52:31,150 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2021-11-22 14:52:31,150 INFO L858 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2021-11-22 14:52:31,150 INFO L858 garLoopResultBuilder]: For program point L91-3(lines 91 94) no Hoare annotation was computed. [2021-11-22 14:52:31,150 INFO L858 garLoopResultBuilder]: For program point L91-5(lines 91 94) no Hoare annotation was computed. [2021-11-22 14:52:31,150 INFO L858 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2021-11-22 14:52:31,151 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-11-22 14:52:31,151 INFO L858 garLoopResultBuilder]: For program point L92-1(lines 92 93) no Hoare annotation was computed. [2021-11-22 14:52:31,151 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2021-11-22 14:52:31,151 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2021-11-22 14:52:31,151 INFO L858 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2021-11-22 14:52:31,152 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2021-11-22 14:52:31,152 INFO L858 garLoopResultBuilder]: For program point L26-4(lines 19 33) no Hoare annotation was computed. [2021-11-22 14:52:31,152 INFO L858 garLoopResultBuilder]: For program point L26-5(lines 26 31) no Hoare annotation was computed. [2021-11-22 14:52:31,152 INFO L858 garLoopResultBuilder]: For program point L26-6(lines 26 31) no Hoare annotation was computed. [2021-11-22 14:52:31,152 INFO L858 garLoopResultBuilder]: For program point L26-7(lines 19 33) no Hoare annotation was computed. [2021-11-22 14:52:31,153 INFO L858 garLoopResultBuilder]: For program point L26-8(lines 26 31) no Hoare annotation was computed. [2021-11-22 14:52:31,153 INFO L858 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-11-22 14:52:31,153 INFO L858 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2021-11-22 14:52:31,153 INFO L854 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2021-11-22 14:52:31,153 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 14:52:31,154 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-22 14:52:31,154 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2021-11-22 14:52:31,154 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 128 133) no Hoare annotation was computed. [2021-11-22 14:52:31,154 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2021-11-22 14:52:31,154 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2021-11-22 14:52:31,155 INFO L858 garLoopResultBuilder]: For program point L98-1(lines 98 114) no Hoare annotation was computed. [2021-11-22 14:52:31,155 INFO L854 garLoopResultBuilder]: At program point L32(lines 19 33) the Hoare annotation is: false [2021-11-22 14:52:31,155 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 14:52:31,155 INFO L854 garLoopResultBuilder]: At program point L32-1(lines 19 33) the Hoare annotation is: false [2021-11-22 14:52:31,155 INFO L854 garLoopResultBuilder]: At program point L32-2(lines 19 33) the Hoare annotation is: false [2021-11-22 14:52:31,156 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 273) no Hoare annotation was computed. [2021-11-22 14:52:31,156 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2021-11-22 14:52:31,156 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2021-11-22 14:52:31,156 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2021-11-22 14:52:31,156 INFO L858 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2021-11-22 14:52:31,157 INFO L858 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-11-22 14:52:31,157 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2021-11-22 14:52:31,157 INFO L858 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2021-11-22 14:52:31,157 INFO L854 garLoopResultBuilder]: At program point L132-3(lines 66 134) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= .cse0 |ULTIMATE.start_atan_double_#res#1|) (= (_ bv0 32) (bvor |ULTIMATE.start___ieee754_atan2_~iy~0#1| |ULTIMATE.start___ieee754_atan2_~ly~0#1|)) (= |ULTIMATE.start_atan_double_~x#1| .cse0) (= .cse0 |ULTIMATE.start_main_~y~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) |ULTIMATE.start___ieee754_atan2_~hy~0#1|) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))))) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-22 14:52:31,158 INFO L858 garLoopResultBuilder]: For program point L99-3(lines 99 105) no Hoare annotation was computed. [2021-11-22 14:52:31,158 INFO L858 garLoopResultBuilder]: For program point L132-4(line 132) no Hoare annotation was computed. [2021-11-22 14:52:31,158 INFO L858 garLoopResultBuilder]: For program point L132-6(line 132) no Hoare annotation was computed. [2021-11-22 14:52:31,158 INFO L854 garLoopResultBuilder]: At program point L132-7(lines 66 134) the Hoare annotation is: false [2021-11-22 14:52:31,158 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-22 14:52:31,158 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2021-11-22 14:52:31,163 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:52:31,165 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 14:52:31,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,182 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,189 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,189 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,195 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,200 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,200 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,200 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,201 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,201 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,202 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,202 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,202 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,202 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,204 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,204 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,204 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,204 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,204 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:52:31 BoogieIcfgContainer [2021-11-22 14:52:31,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 14:52:31,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:52:31,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:52:31,207 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:52:31,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:46:43" (3/4) ... [2021-11-22 14:52:31,211 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 14:52:31,231 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2021-11-22 14:52:31,233 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-22 14:52:31,234 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 14:52:31,235 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 14:52:31,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan) && (\exists v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5 : bv32, v_skolemized_q#valueAsBitvector_33 : bv64 :: (((v_skolemized_q#valueAsBitvector_33[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][0bv32] && v_skolemized_q#valueAsBitvector_33[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][4bv32]) && lx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][0bv32]) && ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_33[63:63], v_skolemized_q#valueAsBitvector_33[62:52], v_skolemized_q#valueAsBitvector_33[51:0]), ~Pluszero~LONGDOUBLE())) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][4bv32]))) && (\exists v_skolemized_q#valueAsBitvector_37 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14 : bv32 :: ((hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14][4bv32] && ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_37[63:63], v_skolemized_q#valueAsBitvector_37[62:52], v_skolemized_q#valueAsBitvector_37[51:0]), ~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14][0bv32] == v_skolemized_q#valueAsBitvector_37[31:0]) && v_skolemized_q#valueAsBitvector_37[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14][4bv32])) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-22 14:52:31,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && 0bv32 == ~bvor32(iy, ly)) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y [2021-11-22 14:52:31,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && 0bv32 == ~bvor32(iy, ly)) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-22 14:52:31,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan) && 0bv32 == ~bvor32(iy, ly)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && (\exists v_skolemized_q#valueAsBitvector_36 : bv64 :: v_skolemized_q#valueAsBitvector_36[63:32] == hy && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-22 14:52:31,273 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && 0bv32 == ~bvor32(iy, ly)) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && 1bv32 == \result [2021-11-22 14:52:31,274 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && 0bv32 == ~bvor32(iy, ly)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && (\exists v_skolemized_q#valueAsBitvector_36 : bv64 :: v_skolemized_q#valueAsBitvector_36[63:32] == hy && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-22 14:52:31,316 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 14:52:31,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:52:31,317 INFO L158 Benchmark]: Toolchain (without parser) took 389159.29ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 37.0MB in the beginning and 53.2MB in the end (delta: -16.2MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2021-11-22 14:52:31,317 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:52:31,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.81ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 36.8MB in the beginning and 61.4MB in the end (delta: -24.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 14:52:31,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.79ms. Allocated memory is still 81.8MB. Free memory was 61.4MB in the beginning and 57.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 14:52:31,319 INFO L158 Benchmark]: Boogie Preprocessor took 140.15ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 54.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:52:31,319 INFO L158 Benchmark]: RCFGBuilder took 40652.42ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 38.0MB in the end (delta: 16.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-22 14:52:31,320 INFO L158 Benchmark]: TraceAbstraction took 347552.66ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 25.0MB in the end (delta: 36.1MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2021-11-22 14:52:31,320 INFO L158 Benchmark]: Witness Printer took 110.16ms. Allocated memory is still 81.8MB. Free memory was 25.0MB in the beginning and 53.2MB in the end (delta: -28.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-11-22 14:52:31,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.81ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 36.8MB in the beginning and 61.4MB in the end (delta: -24.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.79ms. Allocated memory is still 81.8MB. Free memory was 61.4MB in the beginning and 57.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.15ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 54.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 40652.42ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 38.0MB in the end (delta: 16.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 347552.66ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 25.0MB in the end (delta: 36.1MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Witness Printer took 110.16ms. Allocated memory is still 81.8MB. Free memory was 25.0MB in the beginning and 53.2MB in the end (delta: -28.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * 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[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] - 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[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] - 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[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - 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[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - 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[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - 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[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 273]: 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, 120 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 347.4s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 160.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 41 mSolverCounterUnknown, 1340 SdHoareTripleChecker+Valid, 126.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1340 mSDsluCounter, 6553 SdHoareTripleChecker+Invalid, 119.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 260 IncrementalHoareTripleChecker+Unchecked, 5472 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 329 IncrementalHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 1081 mSDtfsCounter, 329 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 408 SyntacticMatches, 2 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 137.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 53 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 19 PreInvPairs, 30 NumberOfFragments, 297 HoareAnnotationTreeSize, 19 FomulaSimplifications, 1748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 19 FomulaSimplificationsInter, 1857 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 17.0s SatisfiabilityAnalysisTime, 158.2s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 536 ConstructedInterpolants, 135 QuantifiedInterpolants, 4399 SizeOfPredicates, 114 NumberOfNonLiveVariables, 1864 ConjunctsInSsa, 137 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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: 246]: Loop Invariant Derived loop invariant: (((y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && 0bv32 == ~bvor32(iy, ly)) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && 1bv32 == \result - InvariantResult [Line: 149]: Loop Invariant [2021-11-22 14:52:31,337 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan) && ~fp.gt~DOUBLE(x, ~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant [2021-11-22 14:52:31,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_33,QUANTIFIED] [2021-11-22 14:52:31,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5,QUANTIFIED] [2021-11-22 14:52:31,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_37,QUANTIFIED] [2021-11-22 14:52:31,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14,QUANTIFIED] [2021-11-22 14:52:31,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan) && (\exists v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5 : bv32, v_skolemized_q#valueAsBitvector_33 : bv64 :: (((v_skolemized_q#valueAsBitvector_33[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][0bv32] && v_skolemized_q#valueAsBitvector_33[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][4bv32]) && lx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][0bv32]) && ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_33[63:63], v_skolemized_q#valueAsBitvector_33[62:52], v_skolemized_q#valueAsBitvector_33[51:0]), ~Pluszero~LONGDOUBLE())) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_5][4bv32]))) && (\exists v_skolemized_q#valueAsBitvector_37 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14 : bv32 :: ((hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14][4bv32] && ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_37[63:63], v_skolemized_q#valueAsBitvector_37[62:52], v_skolemized_q#valueAsBitvector_37[51:0]), ~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14][0bv32] == v_skolemized_q#valueAsBitvector_37[31:0]) && v_skolemized_q#valueAsBitvector_37[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_14][4bv32])) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && 0bv32 == ~bvor32(iy, ly)) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((((y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && 0bv32 == ~bvor32(iy, ly)) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant [2021-11-22 14:52:31,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,350 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,350 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,350 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,351 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan) && 0bv32 == ~bvor32(iy, ly)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && (\exists v_skolemized_q#valueAsBitvector_36 : bv64 :: v_skolemized_q#valueAsBitvector_36[63:32] == hy && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant [2021-11-22 14:52:31,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 14:52:31,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-22 14:52:31,354 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && 0bv32 == ~bvor32(iy, ly)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y) && (\exists v_skolemized_q#valueAsBitvector_36 : bv64 :: v_skolemized_q#valueAsBitvector_36[63:32] == hy && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-22 14:52:31,573 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-22 14:52:31,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f770759c-c0ab-47ae-aeb8-7ab13bfa658e/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE