./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --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 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:02:38,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:02:38,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:02:38,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:02:38,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:02:38,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:02:38,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:02:38,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:02:38,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:02:38,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:02:38,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:02:38,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:02:38,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:02:38,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:02:38,686 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:02:38,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:02:38,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:02:38,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:02:38,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:02:38,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:02:38,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:02:38,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:02:38,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:02:38,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:02:38,688 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:02:38,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:02:38,688 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:02:38,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:02:38,689 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:02:38,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:02:38,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:02:38,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:02:38,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:38,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:02:38,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:02:38,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:02:38,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:02:38,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:38,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:02:38,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:02:38,691 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:02:38,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:02:38,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:02:38,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:02:38,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:02:38,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:02:38,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:02:38,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:02:38,692 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae [2024-11-28 03:02:39,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:02:39,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:02:39,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:02:39,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:02:39,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:02:39,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-28 03:02:42,495 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/data/2b9c52fa3/c92d3775a32b4b388cca7e45ed63ea87/FLAG710005a16 [2024-11-28 03:02:42,802 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:02:42,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-28 03:02:42,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/data/2b9c52fa3/c92d3775a32b4b388cca7e45ed63ea87/FLAG710005a16 [2024-11-28 03:02:42,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/data/2b9c52fa3/c92d3775a32b4b388cca7e45ed63ea87 [2024-11-28 03:02:42,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:02:42,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:02:42,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:02:42,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:02:42,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:02:42,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:42" (1/1) ... [2024-11-28 03:02:42,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fe81b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:42, skipping insertion in model container [2024-11-28 03:02:42,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:42" (1/1) ... [2024-11-28 03:02:42,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:02:43,068 WARN L250 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_cf1a6789-e19f-468e-b191-d2a7859690c2/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-28 03:02:43,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:02:43,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:02:43,104 WARN L250 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_cf1a6789-e19f-468e-b191-d2a7859690c2/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-28 03:02:43,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:02:43,121 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:02:43,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43 WrapperNode [2024-11-28 03:02:43,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:02:43,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:02:43,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:02:43,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:02:43,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,159 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-28 03:02:43,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:02:43,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:02:43,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:02:43,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:02:43,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,173 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,185 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:02:43,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,189 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:02:43,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:02:43,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:02:43,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:02:43,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (1/1) ... [2024-11-28 03:02:43,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:43,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:02:43,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:02:43,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:02:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:02:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:02:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:02:43,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:02:43,385 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:02:43,387 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:02:43,523 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 03:02:43,523 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:02:43,534 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:02:43,535 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:02:43,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:43 BoogieIcfgContainer [2024-11-28 03:02:43,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:02:43,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:02:43,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:02:43,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:02:43,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:02:42" (1/3) ... [2024-11-28 03:02:43,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370055c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:43, skipping insertion in model container [2024-11-28 03:02:43,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:43" (2/3) ... [2024-11-28 03:02:43,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370055c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:43, skipping insertion in model container [2024-11-28 03:02:43,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:43" (3/3) ... [2024-11-28 03:02:43,550 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark02.c [2024-11-28 03:02:43,571 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:02:43,575 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark02.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 03:02:43,656 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:02:43,675 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@35421d12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:02:43,675 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:02:43,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:43,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 03:02:43,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:43,689 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:02:43,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:43,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:43,700 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-28 03:02:43,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:43,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134920844] [2024-11-28 03:02:43,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:02:43,821 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:02:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:02:43,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:02:43,858 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:02:43,859 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:02:43,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:02:43,868 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 03:02:43,885 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:02:43,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:02:43 BoogieIcfgContainer [2024-11-28 03:02:43,890 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:02:43,890 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:02:43,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:02:43,891 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:02:43,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:43" (3/4) ... [2024-11-28 03:02:43,894 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:02:43,895 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:02:43,897 INFO L158 Benchmark]: Toolchain (without parser) took 1049.84ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 56.6MB in the end (delta: 35.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:02:43,897 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:02:43,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.30ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 81.2MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:02:43,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.27ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:02:43,899 INFO L158 Benchmark]: Boogie Preprocessor took 34.83ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:02:43,899 INFO L158 Benchmark]: RCFGBuilder took 339.52ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 69.8MB in the end (delta: 8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:02:43,899 INFO L158 Benchmark]: TraceAbstraction took 351.19ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 57.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:02:43,900 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory was 57.0MB in the beginning and 56.6MB in the end (delta: 406.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:02:43,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.30ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 81.2MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.27ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.83ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 339.52ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 69.8MB in the end (delta: 8.9MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 351.19ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 57.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory was 57.0MB in the beginning and 56.6MB in the end (delta: 406.9kB). 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: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark02(x, y) [L29] COND TRUE sin(x) - cos(y) < 0.00001 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark02(x, y) [L39] CALL __VERIFIER_assert(!benchmark02(x, y)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:02:43,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --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 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:02:47,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:02:47,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:02:47,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:02:47,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:02:47,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:02:47,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:02:47,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:02:47,290 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:02:47,290 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:02:47,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:02:47,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:02:47,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:02:47,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:02:47,291 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:02:47,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:02:47,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:02:47,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:02:47,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:02:47,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:02:47,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:02:47,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:02:47,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:02:47,292 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:02:47,292 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:02:47,292 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:02:47,292 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:02:47,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:02:47,293 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:02:47,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:02:47,293 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:02:47,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:02:47,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:02:47,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:02:47,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:47,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:02:47,294 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:02:47,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:02:47,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:02:47,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:47,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:02:47,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:02:47,295 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:02:47,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:02:47,295 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:02:47,295 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:02:47,295 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:02:47,295 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:02:47,295 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:02:47,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:02:47,295 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae [2024-11-28 03:02:47,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:02:47,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:02:47,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:02:47,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:02:47,670 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:02:47,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-28 03:02:50,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/data/f1700583c/76350ae8f5fc4c4b92fa89659f02370f/FLAGde6599373 [2024-11-28 03:02:51,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:02:51,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-28 03:02:51,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/data/f1700583c/76350ae8f5fc4c4b92fa89659f02370f/FLAGde6599373 [2024-11-28 03:02:51,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/data/f1700583c/76350ae8f5fc4c4b92fa89659f02370f [2024-11-28 03:02:51,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:02:51,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:02:51,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:02:51,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:02:51,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:02:51,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76314be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51, skipping insertion in model container [2024-11-28 03:02:51,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:02:51,509 WARN L250 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_cf1a6789-e19f-468e-b191-d2a7859690c2/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-28 03:02:51,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:02:51,547 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:02:51,562 WARN L250 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_cf1a6789-e19f-468e-b191-d2a7859690c2/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-28 03:02:51,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:02:51,595 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:02:51,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51 WrapperNode [2024-11-28 03:02:51,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:02:51,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:02:51,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:02:51,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:02:51,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,652 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-28 03:02:51,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:02:51,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:02:51,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:02:51,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:02:51,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,668 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,682 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:02:51,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,695 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:02:51,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:02:51,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:02:51,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:02:51,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (1/1) ... [2024-11-28 03:02:51,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:02:51,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:02:51,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:02:51,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:02:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:02:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:02:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:02:51,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:02:51,897 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:02:51,899 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:02:52,406 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 03:02:52,406 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:02:52,419 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:02:52,420 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:02:52,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:52 BoogieIcfgContainer [2024-11-28 03:02:52,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:02:52,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:02:52,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:02:52,435 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:02:52,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:02:51" (1/3) ... [2024-11-28 03:02:52,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@826d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:52, skipping insertion in model container [2024-11-28 03:02:52,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:51" (2/3) ... [2024-11-28 03:02:52,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@826d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:52, skipping insertion in model container [2024-11-28 03:02:52,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:52" (3/3) ... [2024-11-28 03:02:52,438 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark02.c [2024-11-28 03:02:52,458 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:02:52,462 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark02.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 03:02:52,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:02:52,538 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1667b59b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:02:52,538 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:02:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:02:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 03:02:52,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:52,552 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:02:52,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:52,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:52,560 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-28 03:02:52,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:52,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1347941615] [2024-11-28 03:02:52,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:52,578 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 [2024-11-28 03:02:52,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:52,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:02:52,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:02:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:02:52,809 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:02:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:02:52,987 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 03:02:52,989 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:02:52,991 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:02:53,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:02:53,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:02:53,199 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 03:02:53,215 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:02:53,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:02:53 BoogieIcfgContainer [2024-11-28 03:02:53,219 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:02:53,219 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:02:53,219 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:02:53,220 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:02:53,220 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:52" (3/4) ... [2024-11-28 03:02:53,223 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:02:53,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:02:53,226 INFO L158 Benchmark]: Toolchain (without parser) took 1941.50ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 25.3MB in the end (delta: 35.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 03:02:53,226 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:02:53,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.57ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 49.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:02:53,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.95ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 48.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:02:53,227 INFO L158 Benchmark]: Boogie Preprocessor took 57.49ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:02:53,228 INFO L158 Benchmark]: RCFGBuilder took 708.77ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 37.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:02:53,228 INFO L158 Benchmark]: TraceAbstraction took 794.94ms. Allocated memory is still 83.9MB. Free memory was 36.5MB in the beginning and 25.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:02:53,228 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 83.9MB. Free memory is still 25.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:02:53,231 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.57ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 49.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.95ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 48.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.49ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 708.77ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 37.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 794.94ms. Allocated memory is still 83.9MB. Free memory was 36.5MB in the beginning and 25.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 83.9MB. Free memory is still 25.3MB. 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: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of cos at line 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark02(x, y) [L29] COND TRUE sin(x) - cos(y) < 0.00001 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark02(x, y) [L39] CALL __VERIFIER_assert(!benchmark02(x, y)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:02:53,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf1a6789-e19f-468e-b191-d2a7859690c2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample