./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.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_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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_bd570521-ae26-4207-89f9-d4deeaf07292/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 b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 --- 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 16:37:02,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:37:02,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:37:02,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:37:02,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:37:02,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:37:02,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:37:02,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:37:02,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:37:02,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:37:02,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:37:02,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:37:02,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:37:02,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:37:02,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:37:02,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:37:02,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:37:02,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:37:02,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:37:02,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:37:02,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:37:02,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:37:02,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:37:02,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:37:02,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:37:02,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:37:02,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:37:02,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:37:02,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:37:02,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:37:02,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:37:02,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:37:02,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:37:02,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:37:02,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:37:02,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:37:02,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:37:02,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:37:02,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:37:02,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:37:02,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:37:02,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 16:37:02,558 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:37:02,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:37:02,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:37:02,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:37:02,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:37:02,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:37:02,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:37:02,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:37:02,569 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:37:02,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:37:02,571 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:37:02,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:37:02,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:37:02,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:37:02,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:37:02,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:37:02,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:37:02,573 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:37:02,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:37:02,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:37:02,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:37:02,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:37:02,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:37:02,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:37:02,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:02,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:37:02,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:37:02,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:37:02,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:37:02,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:37:02,577 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:37:02,577 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:37:02,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:37:02,578 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_bd570521-ae26-4207-89f9-d4deeaf07292/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 [2022-11-21 16:37:02,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:37:02,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:37:02,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:37:02,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:37:02,936 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:37:02,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2022-11-21 16:37:06,082 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:37:06,267 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:37:06,267 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2022-11-21 16:37:06,274 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/data/fa4216eed/ce35c809ac624952abb6d9d26c429cc9/FLAGbe55029cc [2022-11-21 16:37:06,288 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/data/fa4216eed/ce35c809ac624952abb6d9d26c429cc9 [2022-11-21 16:37:06,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:37:06,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:37:06,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:06,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:37:06,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:37:06,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a5a17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06, skipping insertion in model container [2022-11-21 16:37:06,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:37:06,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:37:06,484 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_bd570521-ae26-4207-89f9-d4deeaf07292/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2022-11-21 16:37:06,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:06,509 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:37:06,533 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_bd570521-ae26-4207-89f9-d4deeaf07292/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2022-11-21 16:37:06,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:06,548 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:37:06,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06 WrapperNode [2022-11-21 16:37:06,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:06,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:06,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:37:06,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:37:06,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,597 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2022-11-21 16:37:06,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:06,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:37:06,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:37:06,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:37:06,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,625 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:37:06,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:37:06,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:37:06,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:37:06,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (1/1) ... [2022-11-21 16:37:06,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:06,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:06,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:37:06,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:37:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:37:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:37:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:37:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-21 16:37:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:37:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-21 16:37:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:37:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:37:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:37:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:37:06,821 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:37:06,824 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:37:07,279 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:37:07,285 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:37:07,286 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 16:37:07,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:07 BoogieIcfgContainer [2022-11-21 16:37:07,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:37:07,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:37:07,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:37:07,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:37:07,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:37:06" (1/3) ... [2022-11-21 16:37:07,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ed84f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:07, skipping insertion in model container [2022-11-21 16:37:07,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:06" (2/3) ... [2022-11-21 16:37:07,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ed84f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:07, skipping insertion in model container [2022-11-21 16:37:07,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:07" (3/3) ... [2022-11-21 16:37:07,297 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2022-11-21 16:37:07,318 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:37:07,318 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:37:07,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:37:07,374 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;@7498c13d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:37:07,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:37:07,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 16:37:07,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:07,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:07,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:07,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:07,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2022-11-21 16:37:07,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:07,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382892041] [2022-11-21 16:37:07,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:07,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:07,540 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 16:37:07,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:07,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382892041] [2022-11-21 16:37:07,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382892041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:07,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:07,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:07,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762730069] [2022-11-21 16:37:07,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:07,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:37:07,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:07,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:37:07,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:37:07,592 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:07,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:07,626 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2022-11-21 16:37:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:37:07,628 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-21 16:37:07,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:07,639 INFO L225 Difference]: With dead ends: 64 [2022-11-21 16:37:07,640 INFO L226 Difference]: Without dead ends: 30 [2022-11-21 16:37:07,643 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 16:37:07,650 INFO L413 NwaCegarLoop]: 47 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, 47 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 16:37:07,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:37:07,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-21 16:37:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-21 16:37:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2022-11-21 16:37:07,693 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2022-11-21 16:37:07,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:07,694 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2022-11-21 16:37:07,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2022-11-21 16:37:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 16:37:07,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:07,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:07,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:37:07,696 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:07,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:07,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2022-11-21 16:37:07,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:07,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095700302] [2022-11-21 16:37:07,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:07,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:37:07,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:37:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:37:07,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:37:07,811 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:37:07,813 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:37:07,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:37:07,818 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 16:37:07,822 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:37:07,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:37:07 BoogieIcfgContainer [2022-11-21 16:37:07,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:37:07,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:37:07,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:37:07,847 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:37:07,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:07" (3/4) ... [2022-11-21 16:37:07,851 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:37:07,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:37:07,852 INFO L158 Benchmark]: Toolchain (without parser) took 1559.16ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 81.8MB in the beginning and 100.9MB in the end (delta: -19.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-21 16:37:07,852 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 67.7MB in the beginning and 67.5MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:07,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.59ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 70.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 16:37:07,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.61ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 68.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:07,854 INFO L158 Benchmark]: Boogie Preprocessor took 30.48ms. Allocated memory is still 121.6MB. Free memory was 68.5MB in the beginning and 67.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:07,854 INFO L158 Benchmark]: RCFGBuilder took 658.61ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 67.1MB in the beginning and 129.2MB in the end (delta: -62.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-11-21 16:37:07,855 INFO L158 Benchmark]: TraceAbstraction took 555.69ms. Allocated memory is still 161.5MB. Free memory was 129.2MB in the beginning and 100.9MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 16:37:07,855 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 161.5MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:07,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 67.7MB in the beginning and 67.5MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.59ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 70.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.61ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 68.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.48ms. Allocated memory is still 121.6MB. Free memory was 68.5MB in the beginning and 67.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.61ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 67.1MB in the beginning and 129.2MB in the end (delta: -62.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 555.69ms. Allocated memory is still 161.5MB. Free memory was 129.2MB in the beginning and 100.9MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 161.5MB. Free memory is still 100.9MB. 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: 98]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 43, overapproximation of bitwiseOr at line 44, overapproximation of bitwiseAnd at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L93] double x = 0.0; [L94] CALL, EXPR ceil_double(x) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1072693248, i1=-1, j0=0, x=0] [L31] COND TRUE j0 < 20 VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1072693248, i1=-1, j0=0, x=0] [L32] COND FALSE !(j0 < 0) [L43] i = (0x000fffff) >> j0 VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1072693248, i1=-1, j0=0, x=0] [L44] COND TRUE ((i0 & i) | i1) == 0 [L45] return x; VAL [\old(x)=0, \result=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, i0=1072693248, i1=-1, j0=0, x=0] [L94] RET, EXPR ceil_double(x) [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 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, 47 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, 47 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=33occurred 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, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 16:37:07,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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_bd570521-ae26-4207-89f9-d4deeaf07292/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 b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 --- 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 16:37:10,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:37:10,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:37:10,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:37:10,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:37:10,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:37:10,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:37:10,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:37:10,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:37:10,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:37:10,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:37:10,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:37:10,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:37:10,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:37:10,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:37:10,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:37:10,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:37:10,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:37:10,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:37:10,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:37:10,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:37:10,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:37:10,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:37:10,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:37:10,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:37:10,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:37:10,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:37:10,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:37:10,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:37:10,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:37:10,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:37:10,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:37:10,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:37:10,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:37:10,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:37:10,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:37:10,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:37:10,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:37:10,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:37:10,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:37:10,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:37:10,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-21 16:37:10,655 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:37:10,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:37:10,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:37:10,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:37:10,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:37:10,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:37:10,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:37:10,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:37:10,659 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:37:10,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:37:10,661 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:37:10,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:37:10,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:37:10,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:37:10,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:37:10,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:37:10,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:37:10,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:37:10,662 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:37:10,662 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:37:10,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:37:10,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:37:10,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:37:10,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:37:10,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:37:10,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:37:10,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:10,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:37:10,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:37:10,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:37:10,665 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:37:10,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:37:10,665 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:37:10,666 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:37:10,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:37:10,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:37:10,666 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_bd570521-ae26-4207-89f9-d4deeaf07292/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 [2022-11-21 16:37:11,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:37:11,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:37:11,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:37:11,068 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:37:11,068 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:37:11,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2022-11-21 16:37:14,222 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:37:14,413 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:37:14,414 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2022-11-21 16:37:14,420 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/data/cc1c7e5a6/18220f00cf3448399a954c154835ecfd/FLAG2a5f6aa78 [2022-11-21 16:37:14,439 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/data/cc1c7e5a6/18220f00cf3448399a954c154835ecfd [2022-11-21 16:37:14,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:37:14,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:37:14,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:14,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:37:14,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:37:14,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67894465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14, skipping insertion in model container [2022-11-21 16:37:14,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:37:14,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:37:14,664 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_bd570521-ae26-4207-89f9-d4deeaf07292/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2022-11-21 16:37:14,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:14,692 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:37:14,741 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_bd570521-ae26-4207-89f9-d4deeaf07292/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2022-11-21 16:37:14,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:14,768 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:37:14,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14 WrapperNode [2022-11-21 16:37:14,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:14,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:14,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:37:14,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:37:14,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,836 INFO L138 Inliner]: procedures = 19, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2022-11-21 16:37:14,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:14,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:37:14,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:37:14,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:37:14,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,888 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:37:14,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:37:14,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:37:14,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:37:14,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (1/1) ... [2022-11-21 16:37:14,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:14,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:14,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:37:14,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:37:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:37:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-21 16:37:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-21 16:37:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 16:37:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:37:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 16:37:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:37:14,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:37:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 16:37:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:37:15,124 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:37:15,126 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:37:16,509 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:37:16,516 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:37:16,516 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 16:37:16,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:16 BoogieIcfgContainer [2022-11-21 16:37:16,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:37:16,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:37:16,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:37:16,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:37:16,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:37:14" (1/3) ... [2022-11-21 16:37:16,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10688695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:16, skipping insertion in model container [2022-11-21 16:37:16,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:14" (2/3) ... [2022-11-21 16:37:16,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10688695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:16, skipping insertion in model container [2022-11-21 16:37:16,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:16" (3/3) ... [2022-11-21 16:37:16,540 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2022-11-21 16:37:16,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:37:16,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:37:16,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:37:16,667 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;@1292ab65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:37:16,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:37:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 16:37:16,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:16,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:16,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:16,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:16,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2022-11-21 16:37:16,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:37:16,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071439289] [2022-11-21 16:37:16,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:16,706 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 16:37:16,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:37:16,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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 16:37:16,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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 16:37:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:16,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 16:37:16,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:37:16,811 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 16:37:16,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:37:16,812 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:37:16,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071439289] [2022-11-21 16:37:16,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071439289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:16,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:16,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:16,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741200251] [2022-11-21 16:37:16,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:16,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:37:16,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:37:16,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:37:16,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:37:16,853 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:16,871 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2022-11-21 16:37:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:37:16,873 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-21 16:37:16,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:16,881 INFO L225 Difference]: With dead ends: 64 [2022-11-21 16:37:16,882 INFO L226 Difference]: Without dead ends: 30 [2022-11-21 16:37:16,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 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 16:37:16,888 INFO L413 NwaCegarLoop]: 47 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, 47 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 16:37:16,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:37:16,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-21 16:37:16,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-21 16:37:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2022-11-21 16:37:16,920 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2022-11-21 16:37:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:16,920 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2022-11-21 16:37:16,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2022-11-21 16:37:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 16:37:16,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:16,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:16,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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)] Ended with exit code 0 [2022-11-21 16:37:17,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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 16:37:17,134 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:17,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:17,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2022-11-21 16:37:17,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:37:17,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910141728] [2022-11-21 16:37:17,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:17,136 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 16:37:17,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:37:17,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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 16:37:17,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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 16:37:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:17,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 16:37:17,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:37:17,418 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 16:37:17,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:37:17,418 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:37:17,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910141728] [2022-11-21 16:37:17,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910141728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:17,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:17,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:17,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173857826] [2022-11-21 16:37:17,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:17,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:37:17,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:37:17,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:37:17,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:37:17,422 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:17,842 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2022-11-21 16:37:17,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:37:17,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-21 16:37:17,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:17,846 INFO L225 Difference]: With dead ends: 44 [2022-11-21 16:37:17,846 INFO L226 Difference]: Without dead ends: 24 [2022-11-21 16:37:17,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:37:17,848 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 41 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:17,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 21 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:37:17,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-21 16:37:17,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2022-11-21 16:37:17,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-11-21 16:37:17,860 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2022-11-21 16:37:17,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:17,861 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-11-21 16:37:17,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-11-21 16:37:17,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 16:37:17,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:17,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:17,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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 0 [2022-11-21 16:37:18,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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 16:37:18,087 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:18,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:18,087 INFO L85 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2022-11-21 16:37:18,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:37:18,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062521136] [2022-11-21 16:37:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:18,088 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 16:37:18,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:37:18,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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 16:37:18,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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 (4)] Waiting until timeout for monitored process [2022-11-21 16:37:18,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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 (4)] Ended with exit code 139 [2022-11-21 16:37:18,252 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_bd570521-ae26-4207-89f9-d4deeaf07292/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 (4) 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_bd570521-ae26-4207-89f9-d4deeaf07292/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 (4) 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 16:37:18,256 INFO L158 Benchmark]: Toolchain (without parser) took 3813.01ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 33.9MB in the beginning and 47.2MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 16:37:18,257 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:18,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.85ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 33.7MB in the beginning and 60.5MB in the end (delta: -26.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-21 16:37:18,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.99ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 58.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:18,262 INFO L158 Benchmark]: Boogie Preprocessor took 54.19ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 56.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:18,263 INFO L158 Benchmark]: RCFGBuilder took 1626.29ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 42.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:37:18,264 INFO L158 Benchmark]: TraceAbstraction took 1733.80ms. Allocated memory is still 83.9MB. Free memory was 42.2MB in the beginning and 47.2MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:18,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.85ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 33.7MB in the beginning and 60.5MB in the end (delta: -26.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.99ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 58.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.19ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 56.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1626.29ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 42.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1733.80ms. Allocated memory is still 83.9MB. Free memory was 42.2MB in the beginning and 47.2MB in the end (delta: -5.0MB). 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_bd570521-ae26-4207-89f9-d4deeaf07292/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 (4) 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_bd570521-ae26-4207-89f9-d4deeaf07292/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 (4) 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 16:37:18,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd570521-ae26-4207-89f9-d4deeaf07292/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_bd570521-ae26-4207-89f9-d4deeaf07292/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 (4) with exit command (exit)) Received EOF on stdin. No stderr output.