./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a --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 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 --- 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-b5237d8 [2022-11-21 16:40:13,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:40:13,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:40:13,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:40:13,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:40:13,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:40:13,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:40:13,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:40:13,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:40:13,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:40:13,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:40:13,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:40:13,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:40:13,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:40:13,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:40:13,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:40:13,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:40:13,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:40:13,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:40:13,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:40:13,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:40:13,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:40:13,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:40:13,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:40:13,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:40:13,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:40:13,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:40:13,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:40:13,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:40:13,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:40:13,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:40:13,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:40:13,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:40:13,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:40:13,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:40:13,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:40:13,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:40:13,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:40:13,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:40:13,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:40:13,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:40:13,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 16:40:13,607 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:40:13,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:40:13,608 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:40:13,608 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:40:13,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:40:13,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:40:13,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:40:13,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:40:13,611 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:40:13,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:40:13,613 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:40:13,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:40:13,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:40:13,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:40:13,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:40:13,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:40:13,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:40:13,615 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:40:13,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:40:13,615 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:40:13,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:40:13,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:40:13,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:40:13,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:40:13,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:40:13,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:40:13,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:40:13,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:40:13,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:40:13,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:40:13,619 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:40:13,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:40:13,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:40:13,620 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_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 [2022-11-21 16:40:13,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:40:14,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:40:14,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:40:14,022 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:40:14,022 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:40:14,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2022-11-21 16:40:19,355 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:40:19,581 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:40:19,582 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2022-11-21 16:40:19,590 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/data/18431f571/2119171f018e46999b6a26f8c59170ca/FLAGf00311524 [2022-11-21 16:40:19,620 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/data/18431f571/2119171f018e46999b6a26f8c59170ca [2022-11-21 16:40:19,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:40:19,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:40:19,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:40:19,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:40:19,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:40:19,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:19,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517d0e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19, skipping insertion in model container [2022-11-21 16:40:19,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:19,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:40:19,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:40:19,885 WARN L237 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_6274648e-ce1d-470a-9606-274089e92078/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c[1210,1223] [2022-11-21 16:40:19,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:19,902 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:40:19,940 WARN L237 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_6274648e-ce1d-470a-9606-274089e92078/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c[1210,1223] [2022-11-21 16:40:19,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:19,963 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:40:19,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19 WrapperNode [2022-11-21 16:40:19,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:40:19,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:40:19,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:40:19,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:40:19,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:19,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:20,015 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-21 16:40:20,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:40:20,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:40:20,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:40:20,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:40:20,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:20,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:20,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:20,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:20,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:20,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:20,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:20,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:20,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:40:20,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:40:20,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:40:20,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:40:20,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (1/1) ... [2022-11-21 16:40:20,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:40:20,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:40:20,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:40:20,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:40:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:40:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:40:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:40:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-21 16:40:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:40:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-21 16:40:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:40:20,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:40:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:40:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:40:20,280 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:40:20,282 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:40:20,515 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:40:20,520 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:40:20,521 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 16:40:20,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:20 BoogieIcfgContainer [2022-11-21 16:40:20,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:40:20,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:40:20,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:40:20,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:40:20,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:40:19" (1/3) ... [2022-11-21 16:40:20,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4faba612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:40:20, skipping insertion in model container [2022-11-21 16:40:20,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:19" (2/3) ... [2022-11-21 16:40:20,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4faba612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:40:20, skipping insertion in model container [2022-11-21 16:40:20,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:20" (3/3) ... [2022-11-21 16:40:20,547 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2022-11-21 16:40:20,583 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:40:20,591 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:40:20,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:40:20,668 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;@f3529fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:40:20,668 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:40:20,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2022-11-21 16:40:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 16:40:20,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:20,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:40:20,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:40:20,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:20,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2022-11-21 16:40:20,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:20,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279710203] [2022-11-21 16:40:20,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:20,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:40:20,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:40:20,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279710203] [2022-11-21 16:40:20,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279710203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:20,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:20,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:40:20,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622089003] [2022-11-21 16:40:20,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:20,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:40:20,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:40:20,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:40:20,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:40:20,940 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:40:20,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:40:20,963 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2022-11-21 16:40:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:40:20,965 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-21 16:40:20,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:40:20,974 INFO L225 Difference]: With dead ends: 36 [2022-11-21 16:40:20,974 INFO L226 Difference]: Without dead ends: 16 [2022-11-21 16:40:20,978 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 [2022-11-21 16:40:20,983 INFO L413 NwaCegarLoop]: 19 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, 19 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 [2022-11-21 16:40:20,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:40:21,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-21 16:40:21,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-21 16:40:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2022-11-21 16:40:21,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-11-21 16:40:21,022 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2022-11-21 16:40:21,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:40:21,023 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-11-21 16:40:21,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:40:21,024 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-11-21 16:40:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 16:40:21,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:21,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:40:21,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:40:21,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:40:21,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:21,027 INFO L85 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2022-11-21 16:40:21,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:21,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567239406] [2022-11-21 16:40:21,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:21,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:21,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:40:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:40:21,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:40:21,155 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:40:21,157 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:40:21,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:40:21,163 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 16:40:21,167 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:40:21,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:40:21 BoogieIcfgContainer [2022-11-21 16:40:21,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:40:21,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:40:21,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:40:21,193 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:40:21,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:20" (3/4) ... [2022-11-21 16:40:21,197 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:40:21,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:40:21,198 INFO L158 Benchmark]: Toolchain (without parser) took 1572.89ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 113.3MB in the beginning and 174.9MB in the end (delta: -61.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:40:21,199 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:40:21,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.61ms. Allocated memory is still 165.7MB. Free memory was 113.3MB in the beginning and 102.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 16:40:21,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.74ms. Allocated memory is still 165.7MB. Free memory was 102.8MB in the beginning and 101.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:40:21,201 INFO L158 Benchmark]: Boogie Preprocessor took 54.90ms. Allocated memory is still 165.7MB. Free memory was 101.1MB in the beginning and 99.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:40:21,201 INFO L158 Benchmark]: RCFGBuilder took 465.10ms. Allocated memory is still 165.7MB. Free memory was 99.7MB in the beginning and 88.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:40:21,202 INFO L158 Benchmark]: TraceAbstraction took 651.90ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 87.6MB in the beginning and 174.9MB in the end (delta: -87.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:40:21,202 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 224.4MB. Free memory is still 174.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:40:21,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.61ms. Allocated memory is still 165.7MB. Free memory was 113.3MB in the beginning and 102.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.74ms. Allocated memory is still 165.7MB. Free memory was 102.8MB in the beginning and 101.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.90ms. Allocated memory is still 165.7MB. Free memory was 101.1MB in the beginning and 99.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.10ms. Allocated memory is still 165.7MB. Free memory was 99.7MB in the beginning and 88.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 651.90ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 87.6MB in the beginning and 174.9MB in the end (delta: -87.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 224.4MB. Free memory is still 174.9MB. 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: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L49] double x = 0.0; [L50] CALL, EXPR fabs_double(x) [L28] __uint32_t high; VAL [\old(x)=0, x=0] [L30] ieee_double_shape_type gh_u; [L31] gh_u.value = (x) [L32] EXPR gh_u.parts.msw [L32] (high) = gh_u.parts.msw [L35] ieee_double_shape_type sh_u; [L36] sh_u.value = (x) [L37] sh_u.parts.msw = (high & 0x7fffffff) [L38] EXPR sh_u.value [L38] (x) = sh_u.value [L40] return x; VAL [\old(x)=0, \result=0, high=2147483650, x=0] [L50] RET, EXPR fabs_double(x) [L50] double res = fabs_double(x); [L53] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=0, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L53] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L54] reach_error() VAL [res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 19 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, 19 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=19occurred 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 16:40:21,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a --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 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 --- 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-b5237d8 [2022-11-21 16:40:23,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:40:23,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:40:23,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:40:23,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:40:23,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:40:23,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:40:23,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:40:23,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:40:23,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:40:23,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:40:23,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:40:23,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:40:23,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:40:23,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:40:23,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:40:24,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:40:24,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:40:24,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:40:24,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:40:24,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:40:24,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:40:24,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:40:24,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:40:24,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:40:24,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:40:24,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:40:24,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:40:24,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:40:24,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:40:24,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:40:24,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:40:24,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:40:24,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:40:24,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:40:24,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:40:24,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:40:24,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:40:24,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:40:24,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:40:24,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:40:24,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-21 16:40:24,075 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:40:24,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:40:24,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:40:24,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:40:24,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:40:24,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:40:24,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:40:24,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:40:24,080 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:40:24,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:40:24,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:40:24,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:40:24,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:40:24,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:40:24,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:40:24,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:40:24,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:40:24,084 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:40:24,084 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:40:24,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:40:24,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:40:24,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:40:24,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:40:24,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:40:24,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:40:24,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:40:24,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:40:24,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:40:24,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:40:24,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:40:24,088 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:40:24,088 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:40:24,088 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:40:24,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:40:24,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:40:24,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:40:24,090 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_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 [2022-11-21 16:40:24,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:40:24,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:40:24,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:40:24,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:40:24,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:40:24,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2022-11-21 16:40:27,624 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:40:27,830 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:40:27,830 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2022-11-21 16:40:27,837 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/data/3de0a7043/6f0f446758d346799a2060eba937ace1/FLAG4a47b14b7 [2022-11-21 16:40:27,851 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/data/3de0a7043/6f0f446758d346799a2060eba937ace1 [2022-11-21 16:40:27,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:40:27,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:40:27,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:40:27,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:40:27,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:40:27,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:27" (1/1) ... [2022-11-21 16:40:27,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75309904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:27, skipping insertion in model container [2022-11-21 16:40:27,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:27" (1/1) ... [2022-11-21 16:40:27,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:40:27,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:40:28,129 WARN L237 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_6274648e-ce1d-470a-9606-274089e92078/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c[1210,1223] [2022-11-21 16:40:28,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:28,153 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:40:28,193 WARN L237 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_6274648e-ce1d-470a-9606-274089e92078/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c[1210,1223] [2022-11-21 16:40:28,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:28,220 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:40:28,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28 WrapperNode [2022-11-21 16:40:28,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:40:28,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:40:28,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:40:28,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:40:28,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,285 INFO L138 Inliner]: procedures = 19, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-21 16:40:28,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:40:28,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:40:28,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:40:28,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:40:28,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,357 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:40:28,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:40:28,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:40:28,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:40:28,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (1/1) ... [2022-11-21 16:40:28,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:40:28,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:40:28,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:40:28,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:40:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:40:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-21 16:40:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-21 16:40:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 16:40:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:40:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 16:40:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:40:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:40:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 16:40:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:40:28,608 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:40:28,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:40:28,868 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:40:28,873 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:40:28,874 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 16:40:28,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:28 BoogieIcfgContainer [2022-11-21 16:40:28,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:40:28,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:40:28,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:40:28,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:40:28,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:40:27" (1/3) ... [2022-11-21 16:40:28,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6d7c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:40:28, skipping insertion in model container [2022-11-21 16:40:28,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:28" (2/3) ... [2022-11-21 16:40:28,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6d7c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:40:28, skipping insertion in model container [2022-11-21 16:40:28,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:28" (3/3) ... [2022-11-21 16:40:28,892 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2022-11-21 16:40:28,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:40:28,911 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:40:28,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:40:28,964 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;@2ebdc10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:40:28,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:40:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2022-11-21 16:40:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 16:40:28,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:28,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:40:28,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:40:28,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:28,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2022-11-21 16:40:28,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:40:28,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791984880] [2022-11-21 16:40:28,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:28,993 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 [2022-11-21 16:40:28,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:40:28,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:40:29,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:29,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 16:40:29,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:40:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:40:29,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:40:29,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:40:29,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791984880] [2022-11-21 16:40:29,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791984880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:29,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:29,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:40:29,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297037439] [2022-11-21 16:40:29,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:29,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:40:29,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:40:29,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:40:29,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:40:29,149 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:40:29,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:40:29,163 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2022-11-21 16:40:29,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:40:29,171 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-21 16:40:29,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:40:29,178 INFO L225 Difference]: With dead ends: 36 [2022-11-21 16:40:29,178 INFO L226 Difference]: Without dead ends: 16 [2022-11-21 16:40:29,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:40:29,195 INFO L413 NwaCegarLoop]: 19 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, 19 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 [2022-11-21 16:40:29,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:40:29,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-21 16:40:29,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-21 16:40:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2022-11-21 16:40:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-11-21 16:40:29,233 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2022-11-21 16:40:29,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:40:29,234 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-11-21 16:40:29,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:40:29,235 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-11-21 16:40:29,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 16:40:29,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:29,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:40:29,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:29,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:29,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:40:29,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:29,443 INFO L85 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2022-11-21 16:40:29,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:40:29,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144878887] [2022-11-21 16:40:29,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:29,444 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 [2022-11-21 16:40:29,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:40:29,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:40:29,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:29,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:29,534 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_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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) 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_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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) 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 [2022-11-21 16:40:29,538 INFO L158 Benchmark]: Toolchain (without parser) took 1676.08ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 41.5MB in the beginning and 57.8MB in the end (delta: -16.3MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-11-21 16:40:29,538 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:40:29,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.67ms. Allocated memory is still 69.2MB. Free memory was 41.3MB in the beginning and 30.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:40:29,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.49ms. Allocated memory is still 69.2MB. Free memory was 29.9MB in the beginning and 28.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:40:29,540 INFO L158 Benchmark]: Boogie Preprocessor took 74.39ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 28.4MB in the beginning and 67.2MB in the end (delta: -38.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-11-21 16:40:29,541 INFO L158 Benchmark]: RCFGBuilder took 513.73ms. Allocated memory is still 88.1MB. Free memory was 67.2MB in the beginning and 54.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:40:29,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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)] Ended with exit code 139 [2022-11-21 16:40:29,553 INFO L158 Benchmark]: TraceAbstraction took 658.86ms. Allocated memory is still 88.1MB. Free memory was 54.3MB in the beginning and 57.8MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:40:29,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.67ms. Allocated memory is still 69.2MB. Free memory was 41.3MB in the beginning and 30.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.49ms. Allocated memory is still 69.2MB. Free memory was 29.9MB in the beginning and 28.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.39ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 28.4MB in the beginning and 67.2MB in the end (delta: -38.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * RCFGBuilder took 513.73ms. Allocated memory is still 88.1MB. Free memory was 67.2MB in the beginning and 54.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 658.86ms. Allocated memory is still 88.1MB. Free memory was 54.3MB in the beginning and 57.8MB in the end (delta: -3.5MB). There was no memory consumed. 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_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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) 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_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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) 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. [2022-11-21 16:40:29,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_6274648e-ce1d-470a-9606-274089e92078/bin/uautomizer-vX5HgA9Q3a/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) with exit command (exit)) Received EOF on stdin. No stderr output.