./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16ed93f7e94a59686881f163258e4b8f85fe8ac8 .......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16ed93f7e94a59686881f163258e4b8f85fe8ac8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:02:55,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:02:55,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:02:55,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:02:55,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:02:55,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:02:55,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:02:55,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:02:55,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:02:55,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:02:55,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:02:55,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:02:55,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:02:55,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:02:55,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:02:55,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:02:55,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:02:55,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:02:55,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:02:55,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:02:55,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:02:55,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:02:55,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:02:55,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:02:55,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:02:55,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:02:55,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:02:55,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:02:55,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:02:55,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:02:55,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:02:55,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:02:55,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:02:55,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:02:55,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:02:55,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:02:55,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:02:55,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:02:55,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:02:55,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:02:55,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:02:55,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:02:55,692 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:02:55,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:02:55,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:02:55,695 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:02:55,695 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:02:55,695 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:02:55,696 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:02:55,696 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:02:55,702 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:02:55,702 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:02:55,703 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:02:55,704 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:02:55,704 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:02:55,704 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:02:55,704 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:02:55,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:02:55,705 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:02:55,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:02:55,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:02:55,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:02:55,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:02:55,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:02:55,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:02:55,707 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:02:55,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:02:55,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:02:55,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:02:55,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:02:55,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:02:55,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:02:55,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:02:55,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:02:55,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:02:55,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:02:55,709 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:02:55,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:02:55,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:02:55,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:02:55,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:02:55,710 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ed93f7e94a59686881f163258e4b8f85fe8ac8 [2021-10-16 02:02:56,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:02:56,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:02:56,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:02:56,075 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:02:56,076 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:02:56,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2021-10-16 02:02:56,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/data/3035df12b/6a74e557f5ca4bb79a38f9cd8e082fc3/FLAG154e4093b [2021-10-16 02:02:56,720 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:02:56,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2021-10-16 02:02:56,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/data/3035df12b/6a74e557f5ca4bb79a38f9cd8e082fc3/FLAG154e4093b [2021-10-16 02:02:57,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/data/3035df12b/6a74e557f5ca4bb79a38f9cd8e082fc3 [2021-10-16 02:02:57,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:02:57,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:02:57,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:02:57,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:02:57,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:02:57,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e51467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57, skipping insertion in model container [2021-10-16 02:02:57,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:02:57,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:02:57,338 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2021-10-16 02:02:57,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:02:57,361 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:02:57,405 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2021-10-16 02:02:57,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:02:57,421 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:02:57,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57 WrapperNode [2021-10-16 02:02:57,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:02:57,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:02:57,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:02:57,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:02:57,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:02:57,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:02:57,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:02:57,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:02:57,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:02:57,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:02:57,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:02:57,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:02:57,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (1/1) ... [2021-10-16 02:02:57,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:02:57,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:02:57,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:02:57,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:02:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:02:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:02:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 02:02:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:02:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 02:02:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:02:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:02:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:02:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:02:58,342 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:02:58,342 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-16 02:02:58,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:02:58 BoogieIcfgContainer [2021-10-16 02:02:58,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:02:58,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:02:58,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:02:58,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:02:58,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:02:57" (1/3) ... [2021-10-16 02:02:58,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421d4bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:02:58, skipping insertion in model container [2021-10-16 02:02:58,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:02:57" (2/3) ... [2021-10-16 02:02:58,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421d4bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:02:58, skipping insertion in model container [2021-10-16 02:02:58,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:02:58" (3/3) ... [2021-10-16 02:02:58,372 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a.c [2021-10-16 02:02:58,377 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:02:58,377 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:02:58,427 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:02:58,433 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:02:58,433 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:02:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.7222222222222223) internal successors, (62), 37 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:02:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 02:02:58,455 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:02:58,456 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:02:58,456 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:02:58,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:02:58,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1729686281, now seen corresponding path program 1 times [2021-10-16 02:02:58,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:02:58,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263723877] [2021-10-16 02:02:58,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:02:58,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:02:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:02:58,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:02:58,640 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:02:58,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263723877] [2021-10-16 02:02:58,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263723877] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:02:58,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:02:58,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:02:58,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236309072] [2021-10-16 02:02:58,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:02:58,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:02:58,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:02:58,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:02:58,665 INFO L87 Difference]: Start difference. First operand has 38 states, 36 states have (on average 1.7222222222222223) internal successors, (62), 37 states have internal predecessors, (62), 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 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:02:58,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:02:58,700 INFO L93 Difference]: Finished difference Result 75 states and 123 transitions. [2021-10-16 02:02:58,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:02:58,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-16 02:02:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:02:58,710 INFO L225 Difference]: With dead ends: 75 [2021-10-16 02:02:58,710 INFO L226 Difference]: Without dead ends: 35 [2021-10-16 02:02:58,713 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:02:58,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-16 02:02:58,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-16 02:02:58,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 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) [2021-10-16 02:02:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2021-10-16 02:02:58,748 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 10 [2021-10-16 02:02:58,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:02:58,749 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-10-16 02:02:58,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:02:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2021-10-16 02:02:58,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-16 02:02:58,750 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:02:58,750 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:02:58,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:02:58,751 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:02:58,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:02:58,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2023312851, now seen corresponding path program 1 times [2021-10-16 02:02:58,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:02:58,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813358733] [2021-10-16 02:02:58,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:02:58,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:02:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:02:58,830 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:02:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:02:58,966 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:02:58,966 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:02:58,968 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:02:58,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:02:58,981 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:02:59,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:02:59 BoogieIcfgContainer [2021-10-16 02:02:59,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:02:59,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:02:59,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:02:59,053 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:02:59,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:02:58" (3/4) ... [2021-10-16 02:02:59,056 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:02:59,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:02:59,059 INFO L168 Benchmark]: Toolchain (without parser) took 1984.37 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 73.4 MB in the beginning and 70.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:59,059 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 57.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:02:59,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.57 ms. Allocated memory is still 104.9 MB. Free memory was 73.1 MB in the beginning and 77.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:59,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.91 ms. Allocated memory is still 104.9 MB. Free memory was 77.2 MB in the beginning and 75.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:59,068 INFO L168 Benchmark]: Boogie Preprocessor took 78.52 ms. Allocated memory is still 104.9 MB. Free memory was 75.1 MB in the beginning and 73.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:59,069 INFO L168 Benchmark]: RCFGBuilder took 756.65 ms. Allocated memory is still 104.9 MB. Free memory was 73.0 MB in the beginning and 50.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:59,070 INFO L168 Benchmark]: TraceAbstraction took 689.84 ms. Allocated memory is still 125.8 MB. Free memory was 101.4 MB in the beginning and 70.8 MB in the end (delta: 30.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:02:59,070 INFO L168 Benchmark]: Witness Printer took 4.91 ms. Allocated memory is still 125.8 MB. Free memory was 70.8 MB in the beginning and 70.6 MB in the end (delta: 258.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:02:59,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 57.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 357.57 ms. Allocated memory is still 104.9 MB. Free memory was 73.1 MB in the beginning and 77.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.91 ms. Allocated memory is still 104.9 MB. Free memory was 77.2 MB in the beginning and 75.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.52 ms. Allocated memory is still 104.9 MB. Free memory was 75.1 MB in the beginning and 73.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 756.65 ms. Allocated memory is still 104.9 MB. Free memory was 73.0 MB in the beginning and 50.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 689.84 ms. Allocated memory is still 125.8 MB. Free memory was 101.4 MB in the beginning and 70.8 MB in the end (delta: 30.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.91 ms. Allocated memory is still 125.8 MB. Free memory was 70.8 MB in the beginning and 70.6 MB in the end (delta: 258.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 190]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 163, overapproximation of bitwiseAnd at line 172, overapproximation of someBinaryArithmeticDOUBLEoperation at line 147. Possible FailurePath: [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L30] static const double zero = 0.0; [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L118] static const double zero_log10 = 0.0; [L182] double x = __VERIFIER_nondet_double(); [L184] x < 0 && isfinite_double(x) [L166] __int32_t hx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L168] ieee_double_shape_type gh_u; [L169] gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] (hx) = gh_u.parts.msw [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L184] x < 0 && isfinite_double(x) VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L184] COND TRUE x < 0 && isfinite_double(x) [L121] double y, z; [L122] __int32_t i, k, hx; [L123] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L126] ieee_double_shape_type ew_u; [L127] ew_u.value = (x) [L128] EXPR ew_u.parts.msw [L128] (hx) = ew_u.parts.msw [L129] EXPR ew_u.parts.lsw [L129] (lx) = ew_u.parts.lsw [L132] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L133] COND FALSE !(hx < 0x00100000) VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L146] COND TRUE hx >= 0x7ff00000 [L147] return x + x; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L186] double res = __ieee754_log10(x); [L163] return x != x; [L189] COND TRUE !isnan_double(res) [L190] reach_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 553.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.2ms, AutomataDifference: 63.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 46 SDtfs, 0 SDslu, 41 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 20.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.8ms SsaConstructionTime, 101.5ms SatisfiabilityAnalysisTime, 60.6ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-16 02:02:59,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:03:01,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:03:01,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:03:01,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:03:01,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:03:01,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:03:01,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:03:01,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:03:01,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:03:01,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:03:01,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:03:01,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:03:01,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:03:01,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:03:01,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:03:01,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:03:01,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:03:01,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:03:01,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:03:01,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:03:01,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:03:01,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:03:01,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:03:01,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:03:01,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:03:01,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:03:01,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:03:01,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:03:01,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:03:01,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:03:01,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:03:01,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:03:01,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:03:01,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:03:01,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:03:01,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:03:01,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:03:01,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:03:01,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:03:01,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:03:01,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:03:01,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:03:01,743 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:03:01,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:03:01,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:03:01,746 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:03:01,746 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:03:01,746 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:03:01,746 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:03:01,747 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:03:01,747 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:03:01,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:03:01,750 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:03:01,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:03:01,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:03:01,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:03:01,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:03:01,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:03:01,751 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:03:01,751 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:03:01,752 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:03:01,752 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:03:01,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:03:01,752 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:03:01,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:03:01,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:03:01,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:03:01,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:03:01,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:03:01,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:03:01,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:03:01,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:03:01,754 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:03:01,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:03:01,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:03:01,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:03:01,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:03:01,756 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_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ed93f7e94a59686881f163258e4b8f85fe8ac8 [2021-10-16 02:03:02,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:03:02,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:03:02,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:03:02,195 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:03:02,197 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:03:02,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2021-10-16 02:03:02,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/data/150bdb16c/82378efeba7d43f699589843a70c3828/FLAGae1cdbf7f [2021-10-16 02:03:02,906 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:03:02,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2021-10-16 02:03:02,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/data/150bdb16c/82378efeba7d43f699589843a70c3828/FLAGae1cdbf7f [2021-10-16 02:03:03,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/data/150bdb16c/82378efeba7d43f699589843a70c3828 [2021-10-16 02:03:03,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:03:03,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:03:03,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:03:03,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:03:03,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:03:03,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c82b969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03, skipping insertion in model container [2021-10-16 02:03:03,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:03:03,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:03:03,506 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2021-10-16 02:03:03,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:03:03,522 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:03:03,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2021-10-16 02:03:03,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:03:03,624 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:03:03,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03 WrapperNode [2021-10-16 02:03:03,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:03:03,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:03:03,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:03:03,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:03:03,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:03:03,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:03:03,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:03:03,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:03:03,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:03:03,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:03:03,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:03:03,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:03:03,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (1/1) ... [2021-10-16 02:03:03,755 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:03:03,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:03:03,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:03:03,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:03:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-16 02:03:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-16 02:03:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:03:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:03:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:03:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:03:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:03:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:03:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:03:31,499 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:03:31,500 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-16 02:03:31,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:03:31 BoogieIcfgContainer [2021-10-16 02:03:31,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:03:31,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:03:31,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:03:31,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:03:31,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:03:03" (1/3) ... [2021-10-16 02:03:31,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2beee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:03:31, skipping insertion in model container [2021-10-16 02:03:31,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:03" (2/3) ... [2021-10-16 02:03:31,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2beee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:03:31, skipping insertion in model container [2021-10-16 02:03:31,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:03:31" (3/3) ... [2021-10-16 02:03:31,512 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a.c [2021-10-16 02:03:31,517 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:03:31,518 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:03:31,580 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:03:31,586 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:03:31,586 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:03:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 47 states have (on average 1.702127659574468) internal successors, (80), 48 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 02:03:31,607 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:03:31,607 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:03:31,608 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:03:31,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:03:31,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1392627184, now seen corresponding path program 1 times [2021-10-16 02:03:31,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:03:31,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436585766] [2021-10-16 02:03:31,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:03:31,642 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:03:31,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:03:31,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:03:31,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:03:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:03:31,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:03:31,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:03:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:32,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:03:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:32,367 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:03:32,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436585766] [2021-10-16 02:03:32,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436585766] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:03:32,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:03:32,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:03:32,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109676535] [2021-10-16 02:03:32,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:03:32,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:03:32,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:03:32,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:03:32,408 INFO L87 Difference]: Start difference. First operand has 49 states, 47 states have (on average 1.702127659574468) internal successors, (80), 48 states have internal predecessors, (80), 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) [2021-10-16 02:03:32,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:03:32,449 INFO L93 Difference]: Finished difference Result 95 states and 156 transitions. [2021-10-16 02:03:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:03:32,452 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 [2021-10-16 02:03:32,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:03:32,465 INFO L225 Difference]: With dead ends: 95 [2021-10-16 02:03:32,465 INFO L226 Difference]: Without dead ends: 45 [2021-10-16 02:03:32,469 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:03:32,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-16 02:03:32,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-16 02:03:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 44 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:32,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2021-10-16 02:03:32,521 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 12 [2021-10-16 02:03:32,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:03:32,522 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2021-10-16 02:03:32,522 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) [2021-10-16 02:03:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2021-10-16 02:03:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-16 02:03:32,525 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:03:32,525 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:03:32,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:03:32,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:03:32,742 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:03:32,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:03:32,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1009660131, now seen corresponding path program 1 times [2021-10-16 02:03:32,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:03:32,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491686824] [2021-10-16 02:03:32,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:03:32,745 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:03:32,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:03:32,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:03:32,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:03:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:03:33,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:03:33,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:03:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:33,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:03:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:33,602 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:03:33,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491686824] [2021-10-16 02:03:33,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491686824] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:03:33,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:03:33,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:03:33,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217773120] [2021-10-16 02:03:33,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:03:33,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:03:33,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:03:33,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:03:33,606 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:33,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:03:33,797 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2021-10-16 02:03:33,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:03:33,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-16 02:03:33,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:03:33,799 INFO L225 Difference]: With dead ends: 83 [2021-10-16 02:03:33,799 INFO L226 Difference]: Without dead ends: 45 [2021-10-16 02:03:33,801 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 62.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:03:33,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-16 02:03:33,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-16 02:03:33,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:33,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2021-10-16 02:03:33,808 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 13 [2021-10-16 02:03:33,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:03:33,809 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2021-10-16 02:03:33,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2021-10-16 02:03:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-16 02:03:33,810 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:03:33,811 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:03:33,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:03:34,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:03:34,013 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:03:34,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:03:34,014 INFO L82 PathProgramCache]: Analyzing trace with hash 34829304, now seen corresponding path program 1 times [2021-10-16 02:03:34,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:03:34,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833983463] [2021-10-16 02:03:34,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:03:34,015 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:03:34,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:03:34,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:03:34,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:03:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:03:34,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-16 02:03:34,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:03:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:36,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:03:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:37,946 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:03:37,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833983463] [2021-10-16 02:03:37,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833983463] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:03:37,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:03:37,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-16 02:03:37,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216805266] [2021-10-16 02:03:37,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 02:03:37,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:03:37,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 02:03:37,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:03:37,954 INFO L87 Difference]: Start difference. First operand 45 states and 59 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:44,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:03:44,798 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2021-10-16 02:03:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 02:03:44,823 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 17 [2021-10-16 02:03:44,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:03:44,824 INFO L225 Difference]: With dead ends: 50 [2021-10-16 02:03:44,824 INFO L226 Difference]: Without dead ends: 19 [2021-10-16 02:03:44,825 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2777.3ms TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-10-16 02:03:44,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-16 02:03:44,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-16 02:03:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-10-16 02:03:44,829 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2021-10-16 02:03:44,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:03:44,830 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-10-16 02:03:44,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:44,830 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-10-16 02:03:44,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-16 02:03:44,831 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:03:44,831 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:03:44,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:03:45,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:03:45,034 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:03:45,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:03:45,035 INFO L82 PathProgramCache]: Analyzing trace with hash -675358345, now seen corresponding path program 1 times [2021-10-16 02:03:45,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:03:45,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715313727] [2021-10-16 02:03:45,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:03:45,036 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:03:45,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:03:45,038 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:03:45,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:03:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:03:46,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-16 02:03:46,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:03:47,343 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 [2021-10-16 02:03:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:48,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:03:48,679 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 32 treesize of output 30 [2021-10-16 02:03:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:50,597 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:03:50,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715313727] [2021-10-16 02:03:50,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715313727] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:03:50,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:03:50,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-16 02:03:50,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624862264] [2021-10-16 02:03:50,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 02:03:50,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:03:50,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 02:03:50,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:03:50,599 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:54,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:03:54,313 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2021-10-16 02:03:54,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 02:03:54,503 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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 17 [2021-10-16 02:03:54,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:03:54,504 INFO L225 Difference]: With dead ends: 24 [2021-10-16 02:03:54,504 INFO L226 Difference]: Without dead ends: 19 [2021-10-16 02:03:54,505 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3189.8ms TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-10-16 02:03:54,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-16 02:03:54,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-16 02:03:54,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2021-10-16 02:03:54,509 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 17 [2021-10-16 02:03:54,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:03:54,509 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2021-10-16 02:03:54,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:03:54,509 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2021-10-16 02:03:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-16 02:03:54,510 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:03:54,510 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:03:54,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:03:54,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:03:54,713 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:03:54,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:03:54,713 INFO L82 PathProgramCache]: Analyzing trace with hash 473095487, now seen corresponding path program 1 times [2021-10-16 02:03:54,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:03:54,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109725527] [2021-10-16 02:03:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:03:54,714 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:03:54,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:03:54,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:03:54,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:03:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:03:56,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-16 02:03:56,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:03:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:03:57,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:05:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:05:03,706 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:05:03,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109725527] [2021-10-16 02:05:03,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109725527] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:05:03,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:05:03,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-10-16 02:05:03,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509042521] [2021-10-16 02:05:03,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 02:05:03,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:05:03,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 02:05:03,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=66, Unknown=2, NotChecked=0, Total=90 [2021-10-16 02:05:03,710 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:05:07,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:05:07,351 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2021-10-16 02:05:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:05:07,351 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-16 02:05:07,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:05:07,352 INFO L225 Difference]: With dead ends: 19 [2021-10-16 02:05:07,352 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:05:07,353 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 15131.3ms TimeCoverageRelationStatistics Valid=49, Invalid=105, Unknown=2, NotChecked=0, Total=156 [2021-10-16 02:05:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:05:07,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:05:07,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:05:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:05:07,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-16 02:05:07,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:05:07,354 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:05:07,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:05:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:05:07,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:05:07,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:05:07,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-16 02:05:07,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:05:07,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:05:07,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:07,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:05:08,589 INFO L853 garLoopResultBuilder]: At program point L159(lines 120 160) the Hoare annotation is: (and (not (fp.eq |ULTIMATE.start___ieee754_log10_#res| |ULTIMATE.start___ieee754_log10_#res|)) (= (_ +zero 11 53) ~zero_log10~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-16 02:05:08,589 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-16 02:05:08,590 INFO L857 garLoopResultBuilder]: For program point L184-2(lines 184 193) no Hoare annotation was computed. [2021-10-16 02:05:08,590 INFO L857 garLoopResultBuilder]: For program point L184-4(lines 184 193) no Hoare annotation was computed. [2021-10-16 02:05:08,590 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 52 56) no Hoare annotation was computed. [2021-10-16 02:05:08,590 INFO L853 garLoopResultBuilder]: At program point L52-2(lines 52 56) the Hoare annotation is: false [2021-10-16 02:05:08,590 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:05:08,590 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:05:08,590 INFO L857 garLoopResultBuilder]: For program point L152-1(lines 152 157) no Hoare annotation was computed. [2021-10-16 02:05:08,591 INFO L853 garLoopResultBuilder]: At program point L152-2(lines 152 157) the Hoare annotation is: false [2021-10-16 02:05:08,591 INFO L857 garLoopResultBuilder]: For program point L152-3(lines 152 157) no Hoare annotation was computed. [2021-10-16 02:05:08,591 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 57) no Hoare annotation was computed. [2021-10-16 02:05:08,591 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 111) no Hoare annotation was computed. [2021-10-16 02:05:08,591 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-10-16 02:05:08,591 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 37 42) no Hoare annotation was computed. [2021-10-16 02:05:08,592 INFO L853 garLoopResultBuilder]: At program point L37-2(lines 37 42) the Hoare annotation is: false [2021-10-16 02:05:08,592 INFO L857 garLoopResultBuilder]: For program point L37-3(lines 37 42) no Hoare annotation was computed. [2021-10-16 02:05:08,592 INFO L857 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-10-16 02:05:08,592 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 87) no Hoare annotation was computed. [2021-10-16 02:05:08,593 INFO L860 garLoopResultBuilder]: At program point L195(lines 175 196) the Hoare annotation is: true [2021-10-16 02:05:08,593 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 68) no Hoare annotation was computed. [2021-10-16 02:05:08,593 INFO L853 garLoopResultBuilder]: At program point L63-2(lines 63 68) the Hoare annotation is: false [2021-10-16 02:05:08,593 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 68) no Hoare annotation was computed. [2021-10-16 02:05:08,593 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 79) no Hoare annotation was computed. [2021-10-16 02:05:08,594 INFO L853 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (and (not (fp.eq |ULTIMATE.start___ieee754_log10_#res| |ULTIMATE.start___ieee754_log10_#res|)) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) (= (_ +zero 11 53) ~zero_log10~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-16 02:05:08,594 INFO L857 garLoopResultBuilder]: For program point L81(lines 81 86) no Hoare annotation was computed. [2021-10-16 02:05:08,594 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 49) no Hoare annotation was computed. [2021-10-16 02:05:08,594 INFO L853 garLoopResultBuilder]: At program point L172(lines 165 173) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short19| (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)))) (= (_ +zero 11 53) ~zero_log10~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-16 02:05:08,595 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 109) no Hoare annotation was computed. [2021-10-16 02:05:08,595 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 78) no Hoare annotation was computed. [2021-10-16 02:05:08,595 INFO L857 garLoopResultBuilder]: For program point L98(lines 98 110) no Hoare annotation was computed. [2021-10-16 02:05:08,595 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:05:08,595 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-10-16 02:05:08,596 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2021-10-16 02:05:08,596 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 144) no Hoare annotation was computed. [2021-10-16 02:05:08,596 INFO L853 garLoopResultBuilder]: At program point L140-2(lines 140 144) the Hoare annotation is: false [2021-10-16 02:05:08,596 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:05:08,597 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-16 02:05:08,597 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 145) no Hoare annotation was computed. [2021-10-16 02:05:08,597 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 120 160) no Hoare annotation was computed. [2021-10-16 02:05:08,597 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2021-10-16 02:05:08,597 INFO L857 garLoopResultBuilder]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2021-10-16 02:05:08,598 INFO L853 garLoopResultBuilder]: At program point L125-2(lines 125 130) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)))) (= (_ +zero 11 53) ~zero_log10~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_log10_~x ((_ to_fp 11 53) currentRoundingMode (_ bv0 32))))) [2021-10-16 02:05:08,598 INFO L857 garLoopResultBuilder]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2021-10-16 02:05:08,598 INFO L853 garLoopResultBuilder]: At program point L109(lines 32 111) the Hoare annotation is: false [2021-10-16 02:05:08,598 INFO L857 garLoopResultBuilder]: For program point L167-1(lines 167 171) no Hoare annotation was computed. [2021-10-16 02:05:08,599 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 135) no Hoare annotation was computed. [2021-10-16 02:05:08,599 INFO L853 garLoopResultBuilder]: At program point L167-2(lines 167 171) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short19| (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)))) (= (_ +zero 11 53) ~zero_log10~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-16 02:05:08,599 INFO L857 garLoopResultBuilder]: For program point L167-3(lines 167 171) no Hoare annotation was computed. [2021-10-16 02:05:08,604 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:05:08,613 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,615 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,617 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,618 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,618 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,619 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,621 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,621 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,622 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:05:08 BoogieIcfgContainer [2021-10-16 02:05:08,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:05:08,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:05:08,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:05:08,624 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:05:08,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:03:31" (3/4) ... [2021-10-16 02:05:08,627 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:05:08,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-10-16 02:05:08,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-16 02:05:08,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:05:08,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:05:08,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((aux-x < 0 && isfinite_double(x)-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && ~Pluszero~LONGDOUBLE() == zero_log10) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-16 02:05:08,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((aux-x < 0 && isfinite_double(x)-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && ~Pluszero~LONGDOUBLE() == zero_log10) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-16 02:05:08,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) && ~Pluszero~LONGDOUBLE() == zero_log10) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) [2021-10-16 02:05:08,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!~fp.eq~DOUBLE(\result, \result) && ~Pluszero~LONGDOUBLE() == zero_log10) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-16 02:05:08,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!~fp.eq~DOUBLE(\result, \result) && 1bv32 == \result) && ~Pluszero~LONGDOUBLE() == zero_log10) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-16 02:05:08,709 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:05:08,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:05:08,710 INFO L168 Benchmark]: Toolchain (without parser) took 125473.13 ms. Allocated memory is still 83.9 MB. Free memory was 49.0 MB in the beginning and 52.9 MB in the end (delta: -3.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:05:08,711 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 65.8 MB in the beginning and 65.7 MB in the end (delta: 72.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:05:08,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.78 ms. Allocated memory is still 83.9 MB. Free memory was 48.8 MB in the beginning and 65.1 MB in the end (delta: -16.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:08,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.16 ms. Allocated memory is still 83.9 MB. Free memory was 65.1 MB in the beginning and 62.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:08,712 INFO L168 Benchmark]: Boogie Preprocessor took 53.47 ms. Allocated memory is still 83.9 MB. Free memory was 62.9 MB in the beginning and 60.5 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:05:08,713 INFO L168 Benchmark]: RCFGBuilder took 27755.80 ms. Allocated memory is still 83.9 MB. Free memory was 60.5 MB in the beginning and 41.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:08,713 INFO L168 Benchmark]: TraceAbstraction took 97118.94 ms. Allocated memory is still 83.9 MB. Free memory was 41.0 MB in the beginning and 59.2 MB in the end (delta: -18.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:08,714 INFO L168 Benchmark]: Witness Printer took 85.42 ms. Allocated memory is still 83.9 MB. Free memory was 59.2 MB in the beginning and 52.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:05:08,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 65.8 MB in the beginning and 65.7 MB in the end (delta: 72.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 385.78 ms. Allocated memory is still 83.9 MB. Free memory was 48.8 MB in the beginning and 65.1 MB in the end (delta: -16.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.16 ms. Allocated memory is still 83.9 MB. Free memory was 65.1 MB in the beginning and 62.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.47 ms. Allocated memory is still 83.9 MB. Free memory was 62.9 MB in the beginning and 60.5 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 27755.80 ms. Allocated memory is still 83.9 MB. Free memory was 60.5 MB in the beginning and 41.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 97118.94 ms. Allocated memory is still 83.9 MB. Free memory was 41.0 MB in the beginning and 59.2 MB in the end (delta: -18.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Witness Printer took 85.42 ms. Allocated memory is still 83.9 MB. Free memory was 59.2 MB in the beginning and 52.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,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[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 190]: 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, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 97024.2ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 14.5ms, AutomataDifference: 14711.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1027.3ms, InitialAbstractionConstructionTime: 10.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 161 SDtfs, 65 SDslu, 198 SDs, 0 SdLazy, 52 SolverSat, 3 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 10386.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 21161.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 50.2ms AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 18 NumberOfFragments, 79 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 58.1ms HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 962.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 105.5ms SsaConstructionTime, 2647.7ms SatisfiabilityAnalysisTime, 76972.7ms InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 144 ConstructedInterpolants, 49 QuantifiedInterpolants, 970 SizeOfPredicates, 27 NumberOfNonLiveVariables, 359 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant [2021-10-16 02:05:08,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((!~fp.eq~DOUBLE(\result, \result) && 1bv32 == \result) && ~Pluszero~LONGDOUBLE() == zero_log10) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 167]: Loop Invariant [2021-10-16 02:05:08,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((aux-x < 0 && isfinite_double(x)-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && ~Pluszero~LONGDOUBLE() == zero_log10) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant [2021-10-16 02:05:08,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((aux-x < 0 && isfinite_double(x)-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && ~Pluszero~LONGDOUBLE() == zero_log10) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 120]: Loop Invariant [2021-10-16 02:05:08,730 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,730 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!~fp.eq~DOUBLE(\result, \result) && ~Pluszero~LONGDOUBLE() == zero_log10) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 125]: Loop Invariant [2021-10-16 02:05:08,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-16 02:05:08,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-16 02:05:08,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) && ~Pluszero~LONGDOUBLE() == zero_log10) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) RESULT: Ultimate proved your program to be correct! [2021-10-16 02:05:08,957 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-16 02:05:08,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a74e635-ce65-443a-b83e-aaa0d5bb4aec/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...