./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0832.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0832.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a8e4ffd9ea97f05ef6346cf53038fe7de9dfb80c74cdd9b6a5c49fbcb6c0f8f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:48:46,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:48:46,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:48:46,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:48:46,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:48:46,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:48:46,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:48:46,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:48:46,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:48:46,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:48:46,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:48:46,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:48:46,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:48:46,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:48:46,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:48:46,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:48:46,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:48:46,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:48:46,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:48:46,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:48:46,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:48:46,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:48:46,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:48:46,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:48:46,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:48:46,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:48:46,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:48:46,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:48:46,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:48:46,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:48:46,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:48:46,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:48:46,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:48:46,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:48:46,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:48:46,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:48:46,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:48:46,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:48:46,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:48:46,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:48:46,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:48:46,600 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:48:46,624 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:48:46,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:48:46,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:48:46,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:48:46,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:48:46,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:48:46,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:48:46,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:48:46,627 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:48:46,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:48:46,628 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:48:46,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:48:46,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:48:46,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:48:46,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:48:46,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:48:46,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:48:46,630 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:48:46,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:48:46,630 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:48:46,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:48:46,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:48:46,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:48:46,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:48:46,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:48:46,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:48:46,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:48:46,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:48:46,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:48:46,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:48:46,633 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:48:46,633 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:48:46,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:48:46,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a8e4ffd9ea97f05ef6346cf53038fe7de9dfb80c74cdd9b6a5c49fbcb6c0f8f [2022-11-18 20:48:46,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:48:46,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:48:46,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:48:46,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:48:47,000 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:48:47,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2022-11-18 20:48:47,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/data/d998b05cf/f82d2a95ad4f470e81b1a60edd3b1328/FLAG031f1e9ee [2022-11-18 20:48:47,716 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:48:47,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2022-11-18 20:48:47,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/data/d998b05cf/f82d2a95ad4f470e81b1a60edd3b1328/FLAG031f1e9ee [2022-11-18 20:48:48,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/data/d998b05cf/f82d2a95ad4f470e81b1a60edd3b1328 [2022-11-18 20:48:48,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:48:48,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:48:48,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:48,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:48:48,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:48:48,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f7f0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48, skipping insertion in model container [2022-11-18 20:48:48,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:48:48,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:48:48,433 WARN L234 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_1cde8636-c2b3-43d7-b4e0-724131d03d1c/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2022-11-18 20:48:48,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:48,455 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:48:48,521 WARN L234 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_1cde8636-c2b3-43d7-b4e0-724131d03d1c/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2022-11-18 20:48:48,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:48,547 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:48:48,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48 WrapperNode [2022-11-18 20:48:48,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:48,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:48,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:48:48,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:48:48,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,619 INFO L138 Inliner]: procedures = 17, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 182 [2022-11-18 20:48:48,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:48,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:48:48,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:48:48,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:48:48,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,682 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:48:48,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:48:48,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:48:48,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:48:48,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (1/1) ... [2022-11-18 20:48:48,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:48:48,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:48,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:48,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:48:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:48:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:48:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:48:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:48:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-18 20:48:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-18 20:48:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:48:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:48:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:48:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-18 20:48:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:48:48,945 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:48:48,947 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:48:49,365 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:48:49,372 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:48:49,373 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-18 20:48:49,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:49 BoogieIcfgContainer [2022-11-18 20:48:49,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:48:49,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:48:49,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:48:49,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:48:49,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:48:48" (1/3) ... [2022-11-18 20:48:49,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d5eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:48:49, skipping insertion in model container [2022-11-18 20:48:49,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:48" (2/3) ... [2022-11-18 20:48:49,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d5eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:48:49, skipping insertion in model container [2022-11-18 20:48:49,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:49" (3/3) ... [2022-11-18 20:48:49,387 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832.c [2022-11-18 20:48:49,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:48:49,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:48:49,471 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:48:49,480 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@281f6ad2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:48:49,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:48:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 40 states have internal predecessors, (67), 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) [2022-11-18 20:48:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:48:49,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:49,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:49,503 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:48:49,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:49,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2002716108, now seen corresponding path program 1 times [2022-11-18 20:48:49,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:49,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124326225] [2022-11-18 20:48:49,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:49,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:49,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:49,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124326225] [2022-11-18 20:48:49,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124326225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:49,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:49,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:49,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661792739] [2022-11-18 20:48:49,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:49,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:48:49,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:49,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:48:49,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:48:49,904 INFO L87 Difference]: Start difference. First operand has 41 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 40 states have internal predecessors, (67), 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) [2022-11-18 20:48:49,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:49,950 INFO L93 Difference]: Finished difference Result 79 states and 130 transitions. [2022-11-18 20:48:49,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:48:49,953 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 [2022-11-18 20:48:49,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:49,965 INFO L225 Difference]: With dead ends: 79 [2022-11-18 20:48:49,966 INFO L226 Difference]: Without dead ends: 37 [2022-11-18 20:48:49,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:48:49,975 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:49,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:50,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-18 20:48:50,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-18 20:48:50,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 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) [2022-11-18 20:48:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2022-11-18 20:48:50,031 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 12 [2022-11-18 20:48:50,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:50,032 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2022-11-18 20:48:50,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-11-18 20:48:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2022-11-18 20:48:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 20:48:50,034 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:50,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:50,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:48:50,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:48:50,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:50,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1294181220, now seen corresponding path program 1 times [2022-11-18 20:48:50,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:50,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272413167] [2022-11-18 20:48:50,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:50,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:50,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:50,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:50,235 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:48:50,237 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:48:50,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:48:50,252 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 20:48:50,256 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:48:50,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:48:50 BoogieIcfgContainer [2022-11-18 20:48:50,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:48:50,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:48:50,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:48:50,332 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:48:50,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:49" (3/4) ... [2022-11-18 20:48:50,337 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:48:50,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:48:50,339 INFO L158 Benchmark]: Toolchain (without parser) took 2284.21ms. Allocated memory is still 130.0MB. Free memory was 93.9MB in the beginning and 50.0MB in the end (delta: 43.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-11-18 20:48:50,341 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 101.5MB in the beginning and 101.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:50,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.30ms. Allocated memory is still 130.0MB. Free memory was 93.6MB in the beginning and 103.0MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:48:50,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.79ms. Allocated memory is still 130.0MB. Free memory was 103.0MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:50,349 INFO L158 Benchmark]: Boogie Preprocessor took 66.40ms. Allocated memory is still 130.0MB. Free memory was 100.9MB in the beginning and 98.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:50,350 INFO L158 Benchmark]: RCFGBuilder took 688.92ms. Allocated memory is still 130.0MB. Free memory was 98.6MB in the beginning and 81.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:48:50,350 INFO L158 Benchmark]: TraceAbstraction took 952.00ms. Allocated memory is still 130.0MB. Free memory was 80.7MB in the beginning and 50.6MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-18 20:48:50,351 INFO L158 Benchmark]: Witness Printer took 6.42ms. Allocated memory is still 130.0MB. Free memory was 50.6MB in the beginning and 50.0MB in the end (delta: 563.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:50,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 101.5MB in the beginning and 101.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.30ms. Allocated memory is still 130.0MB. Free memory was 93.6MB in the beginning and 103.0MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.79ms. Allocated memory is still 130.0MB. Free memory was 103.0MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.40ms. Allocated memory is still 130.0MB. Free memory was 100.9MB in the beginning and 98.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 688.92ms. Allocated memory is still 130.0MB. Free memory was 98.6MB in the beginning and 81.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 952.00ms. Allocated memory is still 130.0MB. Free memory was 80.7MB in the beginning and 50.6MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.42ms. Allocated memory is still 130.0MB. Free memory was 50.6MB in the beginning and 50.0MB in the end (delta: 563.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 147]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 32, overapproximation of bitwiseAnd at line 57, overapproximation of someBinaryArithmeticDOUBLEoperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 146. Possible FailurePath: [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={4:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = __VERIFIER_nondet_double(); [L141] COND TRUE x == 0.0 || x == -0.0 [L143] CALL, EXPR __ieee754_exp(x) [L47] double y, hi, lo, c, t; [L48] __int32_t k = 0, xsb; [L49] __uint32_t hx; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={4:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L52] ieee_double_shape_type gh_u; [L53] gh_u.value = (x) [L54] EXPR gh_u.parts.msw [L54] (hx) = gh_u.parts.msw [L56] xsb = (hx >> 31) & 1 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={4:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, xsb=0] [L57] hx &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={4:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, xsb=0] [L59] COND TRUE hx >= 0x40862E42 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={4:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, xsb=0] [L60] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={4:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, xsb=0] [L72] COND TRUE x > o_threshold_exp [L73] return huge_exp * huge_exp; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={4:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, xsb=0] [L143] RET, EXPR __ieee754_exp(x) [L143] double res = __ieee754_exp(x); [L146] COND TRUE res != 1.0 VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={4:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L147] reach_error() VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={4:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 54 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 20:48:50,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0832.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a8e4ffd9ea97f05ef6346cf53038fe7de9dfb80c74cdd9b6a5c49fbcb6c0f8f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:48:53,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:48:53,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:48:53,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:48:53,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:48:53,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:48:53,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:48:53,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:48:53,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:48:53,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:48:53,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:48:53,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:48:53,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:48:53,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:48:53,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:48:53,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:48:53,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:48:53,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:48:53,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:48:53,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:48:53,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:48:53,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:48:53,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:48:53,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:48:53,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:48:53,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:48:53,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:48:53,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:48:53,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:48:53,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:48:53,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:48:53,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:48:53,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:48:53,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:48:53,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:48:53,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:48:53,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:48:53,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:48:53,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:48:53,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:48:53,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:48:53,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-18 20:48:53,224 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:48:53,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:48:53,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:48:53,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:48:53,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:48:53,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:48:53,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:48:53,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:48:53,230 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:48:53,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:48:53,231 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:48:53,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:48:53,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:48:53,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:48:53,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:48:53,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:48:53,233 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:48:53,233 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:48:53,233 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:48:53,233 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:48:53,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:48:53,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:48:53,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:48:53,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:48:53,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:48:53,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:48:53,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:48:53,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:48:53,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:48:53,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:48:53,236 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:48:53,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:48:53,237 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:48:53,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:48:53,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:48:53,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:48:53,238 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_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a8e4ffd9ea97f05ef6346cf53038fe7de9dfb80c74cdd9b6a5c49fbcb6c0f8f [2022-11-18 20:48:53,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:48:53,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:48:53,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:48:53,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:48:53,663 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:48:53,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2022-11-18 20:48:53,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/data/f8e9f7b54/3392df08aaf049b484354699dc6a787d/FLAGbfd776c9d [2022-11-18 20:48:54,378 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:48:54,378 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2022-11-18 20:48:54,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/data/f8e9f7b54/3392df08aaf049b484354699dc6a787d/FLAGbfd776c9d [2022-11-18 20:48:54,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/data/f8e9f7b54/3392df08aaf049b484354699dc6a787d [2022-11-18 20:48:54,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:48:54,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:48:54,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:54,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:48:54,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:48:54,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:54" (1/1) ... [2022-11-18 20:48:54,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6530030c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:54, skipping insertion in model container [2022-11-18 20:48:54,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:54" (1/1) ... [2022-11-18 20:48:54,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:48:54,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:48:55,033 WARN L234 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_1cde8636-c2b3-43d7-b4e0-724131d03d1c/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2022-11-18 20:48:55,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:55,053 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:48:55,164 WARN L234 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_1cde8636-c2b3-43d7-b4e0-724131d03d1c/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2022-11-18 20:48:55,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:55,206 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:48:55,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55 WrapperNode [2022-11-18 20:48:55,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:55,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:55,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:48:55,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:48:55,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,299 INFO L138 Inliner]: procedures = 20, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 176 [2022-11-18 20:48:55,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:55,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:48:55,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:48:55,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:48:55,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:48:55,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:48:55,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:48:55,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:48:55,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2022-11-18 20:48:55,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:48:55,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:55,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:55,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:48:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:48:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-18 20:48:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-18 20:48:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 20:48:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:48:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-11-18 20:48:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 20:48:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:48:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:48:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 20:48:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:48:55,661 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:48:55,664 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:49:10,382 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:49:10,390 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:49:10,390 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-18 20:49:10,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:10 BoogieIcfgContainer [2022-11-18 20:49:10,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:49:10,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:49:10,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:49:10,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:49:10,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:48:54" (1/3) ... [2022-11-18 20:49:10,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bd32d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:49:10, skipping insertion in model container [2022-11-18 20:49:10,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (2/3) ... [2022-11-18 20:49:10,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bd32d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:49:10, skipping insertion in model container [2022-11-18 20:49:10,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:10" (3/3) ... [2022-11-18 20:49:10,404 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832.c [2022-11-18 20:49:10,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:49:10,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:49:10,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:49:10,493 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6375c341, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:49:10,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:49:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 38 states have internal predecessors, (63), 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) [2022-11-18 20:49:10,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 20:49:10,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:49:10,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:10,506 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:49:10,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:10,511 INFO L85 PathProgramCache]: Analyzing trace with hash 841509721, now seen corresponding path program 1 times [2022-11-18 20:49:10,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:49:10,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1518341918] [2022-11-18 20:49:10,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:10,533 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:49:10,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:49:10,540 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:49:10,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 20:49:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:11,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 20:49:11,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:49:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:11,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:49:11,206 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:49:11,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1518341918] [2022-11-18 20:49:11,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1518341918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:11,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:11,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:49:11,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926872021] [2022-11-18 20:49:11,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:11,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:49:11,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:49:11,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:49:11,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:49:11,253 INFO L87 Difference]: Start difference. First operand has 39 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 38 states have internal predecessors, (63), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-11-18 20:49:11,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:49:11,275 INFO L93 Difference]: Finished difference Result 75 states and 122 transitions. [2022-11-18 20:49:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:49:11,277 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-11-18 20:49:11,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:49:11,287 INFO L225 Difference]: With dead ends: 75 [2022-11-18 20:49:11,288 INFO L226 Difference]: Without dead ends: 35 [2022-11-18 20:49:11,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:49:11,295 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:49:11,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:49:11,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-18 20:49:11,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-18 20:49:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 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) [2022-11-18 20:49:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2022-11-18 20:49:11,337 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 11 [2022-11-18 20:49:11,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:49:11,337 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2022-11-18 20:49:11,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-11-18 20:49:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-11-18 20:49:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:49:11,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:49:11,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:11,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:11,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:49:11,559 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:49:11,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:11,560 INFO L85 PathProgramCache]: Analyzing trace with hash 957201089, now seen corresponding path program 1 times [2022-11-18 20:49:11,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:49:11,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312503065] [2022-11-18 20:49:11,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:11,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:49:11,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:49:11,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:49:11,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 20:49:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:12,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:49:12,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:49:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:12,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:49:12,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:49:12,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312503065] [2022-11-18 20:49:12,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312503065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:12,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:12,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:49:12,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48845162] [2022-11-18 20:49:12,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:12,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:49:12,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:49:12,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:49:12,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:49:12,821 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2022-11-18 20:49:15,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:19,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:24,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:28,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:28,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:49:28,812 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2022-11-18 20:49:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:49:29,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 [2022-11-18 20:49:29,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:49:29,390 INFO L225 Difference]: With dead ends: 57 [2022-11-18 20:49:29,390 INFO L226 Difference]: Without dead ends: 29 [2022-11-18 20:49:29,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:49:29,392 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:49:29,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 4 Unknown, 10 Unchecked, 15.9s Time] [2022-11-18 20:49:29,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-18 20:49:29,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-18 20:49:29,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2022-11-18 20:49:29,400 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 12 [2022-11-18 20:49:29,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:49:29,401 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2022-11-18 20:49:29,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2022-11-18 20:49:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-11-18 20:49:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 20:49:29,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:49:29,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:29,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:29,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:49:29,608 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:49:29,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:29,609 INFO L85 PathProgramCache]: Analyzing trace with hash 455664593, now seen corresponding path program 1 times [2022-11-18 20:49:29,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:49:29,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503629959] [2022-11-18 20:49:29,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:29,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:49:29,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:49:29,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:49:29,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 20:49:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:29,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:49:29,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:49:33,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:33,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:49:33,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:49:33,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503629959] [2022-11-18 20:49:33,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503629959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:33,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:33,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:49:33,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198564432] [2022-11-18 20:49:33,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:33,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:49:33,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:49:33,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:49:33,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:49:33,622 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 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) [2022-11-18 20:49:36,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:41,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:45,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:49,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:52,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:52,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:49:52,588 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2022-11-18 20:49:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:49:52,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 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 [2022-11-18 20:49:52,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:49:52,630 INFO L225 Difference]: With dead ends: 36 [2022-11-18 20:49:52,630 INFO L226 Difference]: Without dead ends: 32 [2022-11-18 20:49:52,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:49:52,632 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 18 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:49:52,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 79 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 5 Unknown, 25 Unchecked, 18.1s Time] [2022-11-18 20:49:52,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-18 20:49:52,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2022-11-18 20:49:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:49:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-11-18 20:49:52,638 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 13 [2022-11-18 20:49:52,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:49:52,641 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-11-18 20:49:52,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 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) [2022-11-18 20:49:52,641 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-18 20:49:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 20:49:52,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:49:52,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:52,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:52,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:49:52,844 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:49:52,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:52,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1444944821, now seen corresponding path program 1 times [2022-11-18 20:49:52,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:49:52,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975478450] [2022-11-18 20:49:52,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:52,846 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:49:52,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:49:52,847 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:49:52,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 20:49:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:56,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:49:56,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:49:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:57,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:49:57,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:49:57,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975478450] [2022-11-18 20:49:57,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [975478450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:57,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:57,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:49:57,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197482656] [2022-11-18 20:49:57,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:57,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:49:57,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:49:57,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:49:57,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:49:57,326 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-11-18 20:50:00,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:04,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:08,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:12,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:12,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:12,696 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-11-18 20:50:13,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:50:13,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-18 20:50:13,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:13,209 INFO L225 Difference]: With dead ends: 46 [2022-11-18 20:50:13,210 INFO L226 Difference]: Without dead ends: 29 [2022-11-18 20:50:13,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:50:13,211 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:13,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 66 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 4 Unknown, 9 Unchecked, 15.2s Time] [2022-11-18 20:50:13,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-18 20:50:13,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-18 20:50:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-11-18 20:50:13,216 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 14 [2022-11-18 20:50:13,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:13,217 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-18 20:50:13,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-11-18 20:50:13,217 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-11-18 20:50:13,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 20:50:13,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:13,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:13,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:13,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:50:13,424 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:13,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:13,426 INFO L85 PathProgramCache]: Analyzing trace with hash -192930004, now seen corresponding path program 1 times [2022-11-18 20:50:13,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:50:13,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43092685] [2022-11-18 20:50:13,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:13,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:50:13,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:50:13,430 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:50:13,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-18 20:50:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:17,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:50:17,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:19,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:50:19,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:50:19,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43092685] [2022-11-18 20:50:19,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43092685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:19,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:19,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:50:19,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680603945] [2022-11-18 20:50:19,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:19,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:50:19,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:50:19,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:50:19,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:50:19,258 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:21,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:26,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:28,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:30,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:34,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:36,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:41,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:43,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:45,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:47,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 20:50:47,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:47,626 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-11-18 20:50:47,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:50:47,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-18 20:50:47,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:47,670 INFO L225 Difference]: With dead ends: 48 [2022-11-18 20:50:47,670 INFO L226 Difference]: Without dead ends: 29 [2022-11-18 20:50:47,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:50:47,672 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 10 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:47,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 55 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 9 Unknown, 0 Unchecked, 28.4s Time] [2022-11-18 20:50:47,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-18 20:50:47,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-11-18 20:50:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 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) [2022-11-18 20:50:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2022-11-18 20:50:47,677 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 15 [2022-11-18 20:50:47,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:47,677 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2022-11-18 20:50:47,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-11-18 20:50:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 20:50:47,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:47,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:47,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:47,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:50:47,905 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:47,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:47,905 INFO L85 PathProgramCache]: Analyzing trace with hash -902203816, now seen corresponding path program 1 times [2022-11-18 20:50:47,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:50:47,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229541044] [2022-11-18 20:50:47,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:47,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:50:47,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:50:47,907 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:50:47,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-18 20:50:48,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 139 [2022-11-18 20:50:48,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:50:48,341 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 37 more [2022-11-18 20:50:48,344 INFO L158 Benchmark]: Toolchain (without parser) took 113601.30ms. Allocated memory is still 77.6MB. Free memory was 62.2MB in the beginning and 42.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-18 20:50:48,344 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 77.6MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:50:48,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.11ms. Allocated memory is still 77.6MB. Free memory was 61.9MB in the beginning and 59.7MB in the end (delta: 2.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-11-18 20:50:48,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.76ms. Allocated memory is still 77.6MB. Free memory was 59.7MB in the beginning and 57.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:50:48,345 INFO L158 Benchmark]: Boogie Preprocessor took 99.36ms. Allocated memory is still 77.6MB. Free memory was 57.4MB in the beginning and 55.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:50:48,346 INFO L158 Benchmark]: RCFGBuilder took 14992.46ms. Allocated memory is still 77.6MB. Free memory was 55.1MB in the beginning and 59.2MB in the end (delta: -4.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2022-11-18 20:50:48,346 INFO L158 Benchmark]: TraceAbstraction took 97947.56ms. Allocated memory is still 77.6MB. Free memory was 58.4MB in the beginning and 42.5MB in the end (delta: 15.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-11-18 20:50:48,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 77.6MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.11ms. Allocated memory is still 77.6MB. Free memory was 61.9MB in the beginning and 59.7MB in the end (delta: 2.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.76ms. Allocated memory is still 77.6MB. Free memory was 59.7MB in the beginning and 57.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.36ms. Allocated memory is still 77.6MB. Free memory was 57.4MB in the beginning and 55.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 14992.46ms. Allocated memory is still 77.6MB. Free memory was 55.1MB in the beginning and 59.2MB in the end (delta: -4.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 97947.56ms. Allocated memory is still 77.6MB. Free memory was 58.4MB in the beginning and 42.5MB in the end (delta: 15.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-18 20:50:48,563 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-18 20:50:48,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cde8636-c2b3-43d7-b4e0-724131d03d1c/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7) with exit command (exit)) Received EOF on stdin. No stderr output.