./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx --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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:12:44,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:12:44,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:12:44,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:12:44,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:12:44,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:12:44,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:12:44,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:12:44,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:12:44,390 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:12:44,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:12:44,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:12:44,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:12:44,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:12:44,393 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:12:44,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:12:44,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:12:44,395 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:12:44,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:12:44,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:12:44,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:12:44,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:12:44,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:12:44,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:12:44,399 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:12:44,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:12:44,400 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:12:44,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:12:44,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:12:44,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:12:44,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:12:44,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:44,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:12:44,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:12:44,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:12:44,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:12:44,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:12:44,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:12:44,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:12:44,414 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:12:44,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:12:44,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:12:44,415 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2023-11-21 22:12:44,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:12:44,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:12:44,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:12:44,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:12:44,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:12:44,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2023-11-21 22:12:47,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:12:48,153 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:12:48,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2023-11-21 22:12:48,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/data/42ef773aa/06a3bbc142d2427f95fd054746eecac5/FLAG7ddec1b54 [2023-11-21 22:12:48,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/data/42ef773aa/06a3bbc142d2427f95fd054746eecac5 [2023-11-21 22:12:48,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:12:48,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:12:48,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:48,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:12:48,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:12:48,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66384f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48, skipping insertion in model container [2023-11-21 22:12:48,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:48,450 WARN L240 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_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2023-11-21 22:12:48,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:48,470 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:12:48,526 WARN L240 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_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2023-11-21 22:12:48,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:48,548 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:12:48,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48 WrapperNode [2023-11-21 22:12:48,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:48,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:48,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:12:48,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:12:48,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,642 INFO L138 Inliner]: procedures = 18, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 445 [2023-11-21 22:12:48,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:48,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:12:48,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:12:48,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:12:48,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,670 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,707 INFO L187 HeapSplitter]: Split 21 memory accesses to 7 slices as follows [2, 3, 3, 5, 3, 2, 3] [2023-11-21 22:12:48,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:12:48,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:12:48,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:12:48,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:12:48,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (1/1) ... [2023-11-21 22:12:48,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:48,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:48,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:12:48,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:12:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:12:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:12:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:12:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:12:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:12:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 22:12:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 22:12:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 22:12:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:12:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:12:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:12:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:12:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 22:12:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 22:12:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 22:12:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 22:12:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-21 22:12:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-21 22:12:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-21 22:12:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-21 22:12:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-21 22:12:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-21 22:12:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-21 22:12:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-21 22:12:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-21 22:12:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-21 22:12:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-21 22:12:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-21 22:12:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-21 22:12:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-21 22:12:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:12:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:12:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:12:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:12:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:12:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 22:12:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 22:12:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 22:12:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 22:12:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-21 22:12:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-21 22:12:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-21 22:12:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-21 22:12:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-21 22:12:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-21 22:12:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-21 22:12:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:12:49,079 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:12:49,082 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:12:49,966 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:12:50,589 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:12:50,590 INFO L308 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-21 22:12:50,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:50 BoogieIcfgContainer [2023-11-21 22:12:50,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:12:50,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:12:50,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:12:50,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:12:50,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:12:48" (1/3) ... [2023-11-21 22:12:50,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eba9187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:50, skipping insertion in model container [2023-11-21 22:12:50,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:48" (2/3) ... [2023-11-21 22:12:50,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eba9187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:50, skipping insertion in model container [2023-11-21 22:12:50,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:50" (3/3) ... [2023-11-21 22:12:50,607 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2023-11-21 22:12:50,627 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:12:50,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:12:50,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:12:50,701 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=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;@17f865ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:12:50,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:12:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 43 states have internal predecessors, (74), 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) [2023-11-21 22:12:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 22:12:50,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:50,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:12:50,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:50,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:50,725 INFO L85 PathProgramCache]: Analyzing trace with hash 719254806, now seen corresponding path program 1 times [2023-11-21 22:12:50,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:50,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872739742] [2023-11-21 22:12:50,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:50,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:12:51,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:51,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872739742] [2023-11-21 22:12:51,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872739742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:12:51,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:12:51,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:12:51,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104403331] [2023-11-21 22:12:51,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:12:51,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:12:51,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:51,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:12:51,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:12:51,051 INFO L87 Difference]: Start difference. First operand has 44 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 43 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:12:51,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:12:51,169 INFO L93 Difference]: Finished difference Result 87 states and 147 transitions. [2023-11-21 22:12:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:12:51,172 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-21 22:12:51,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:12:51,182 INFO L225 Difference]: With dead ends: 87 [2023-11-21 22:12:51,182 INFO L226 Difference]: Without dead ends: 41 [2023-11-21 22:12:51,185 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 [2023-11-21 22:12:51,189 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:12:51,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:12:51,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-21 22:12:51,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-21 22:12:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.45) internal successors, (58), 40 states have internal predecessors, (58), 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) [2023-11-21 22:12:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2023-11-21 22:12:51,227 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 11 [2023-11-21 22:12:51,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:12:51,228 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-11-21 22:12:51,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:12:51,229 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-21 22:12:51,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 22:12:51,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:51,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:12:51,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:12:51,231 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:51,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:51,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1453515010, now seen corresponding path program 1 times [2023-11-21 22:12:51,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:51,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206889470] [2023-11-21 22:12:51,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:51,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:12:51,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:12:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:12:51,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:12:51,750 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:12:51,751 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:12:51,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:12:51,757 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:12:51,760 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:12:51,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-21 22:12:51,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-21 22:12:51,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-21 22:12:51,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated [2023-11-21 22:12:51,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:12:51 BoogieIcfgContainer [2023-11-21 22:12:51,800 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:12:51,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:12:51,801 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:12:51,801 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:12:51,801 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:50" (3/4) ... [2023-11-21 22:12:51,803 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:12:51,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:12:51,805 INFO L158 Benchmark]: Toolchain (without parser) took 3623.51ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 81.6MB in the beginning and 106.3MB in the end (delta: -24.7MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-21 22:12:51,806 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:12:51,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.95ms. Allocated memory is still 127.9MB. Free memory was 81.2MB in the beginning and 66.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:12:51,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.90ms. Allocated memory is still 127.9MB. Free memory was 66.9MB in the beginning and 63.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:12:51,808 INFO L158 Benchmark]: Boogie Preprocessor took 167.02ms. Allocated memory is still 127.9MB. Free memory was 63.2MB in the beginning and 59.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:12:51,809 INFO L158 Benchmark]: RCFGBuilder took 1780.31ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 59.0MB in the beginning and 89.4MB in the end (delta: -30.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-21 22:12:51,809 INFO L158 Benchmark]: TraceAbstraction took 1202.95ms. Allocated memory is still 167.8MB. Free memory was 89.4MB in the beginning and 106.3MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:12:51,809 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 167.8MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:12:51,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.95ms. Allocated memory is still 127.9MB. Free memory was 81.2MB in the beginning and 66.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.90ms. Allocated memory is still 127.9MB. Free memory was 66.9MB in the beginning and 63.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.02ms. Allocated memory is still 127.9MB. Free memory was 63.2MB in the beginning and 59.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1780.31ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 59.0MB in the beginning and 89.4MB in the end (delta: -30.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1202.95ms. Allocated memory is still 167.8MB. Free memory was 89.4MB in the beginning and 106.3MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 167.8MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 188]: 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 bitwiseOr at line 39, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticDOUBLEoperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 187. Possible FailurePath: [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L179] double y = -1.0 / 0.0; [L180] double x = __VERIFIER_nondet_double(); [L182] CALL isfinite_double(x) [L163] __int32_t hx; VAL [Zero_fmod={4:0}, \old(x)=6442450945, one_fmod=1, x=6442450945] [L165] ieee_double_shape_type gh_u; [L166] EXPR gh_u.value = (x) [L167] EXPR gh_u.parts.msw [L167] EXPR (hx) = gh_u.parts.msw [L164-L168] { ieee_double_shape_type gh_u; gh_u.value = (x); (hx) = gh_u.parts.msw; } VAL [Zero_fmod={4:0}, \old(x)=6442450945, hx=-2147483648, one_fmod=1, x=6442450945] [L169] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L182] RET isfinite_double(x) [L182] COND TRUE isfinite_double(x) [L184] CALL, EXPR fmod_double(x, y) [L23] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L24] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, \old(x)=6442450945, \old(y)=6442450946, one_fmod=1, x=6442450945, y=6442450946] [L27] ieee_double_shape_type ew_u; [L28] EXPR ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] EXPR (hx) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] EXPR (lx) = ew_u.parts.lsw [L26-L31] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=6442450945, \old(y)=6442450946, hx=0, lx=6442450949, one_fmod=1, x=6442450945, y=6442450946] [L33] ieee_double_shape_type ew_u; [L34] EXPR ew_u.value = (y) [L35] EXPR ew_u.parts.msw [L35] EXPR (hy) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] EXPR (ly) = ew_u.parts.lsw [L32-L37] { ieee_double_shape_type ew_u; ew_u.value = (y); (hy) = ew_u.parts.msw; (ly) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=6442450945, \old(y)=6442450946, hx=0, hy=-1, lx=6442450949, ly=-6442450944, one_fmod=1, x=6442450945, y=6442450946] [L38] sx = hx & 0x80000000 [L39] hx ^= sx [L40] hy &= 0x7fffffff [L42] EXPR hy | ly [L42-L43] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L43] EXPR ly | -ly [L43] EXPR hy | ((ly | -ly) >> 31) [L42-L43] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, \old(x)=6442450945, \old(y)=6442450946, hx=0, hy=2147483647, lx=6442450949, ly=-6442450944, one_fmod=1, sx=0, x=6442450945, y=6442450946] [L42-L43] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L44] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=6442450945, \old(y)=6442450946, hx=0, hy=2147483647, lx=6442450949, ly=-6442450944, one_fmod=1, sx=0, x=6442450945, y=6442450946] [L184] RET, EXPR fmod_double(x, y) [L184] double res = fmod_double(x, y); [L187] COND TRUE res != x VAL [Zero_fmod={4:0}, one_fmod=1, res=6442450947, x=6442450945, y=6442450946] [L188] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=6442450947, x=6442450945, y=6442450946] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 41 mSDtfsCounter, 21 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=44occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:12:51,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx --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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:12:54,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:12:54,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:12:54,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:12:54,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:12:54,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:12:54,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:12:54,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:12:54,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:12:54,591 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:12:54,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:12:54,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:12:54,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:12:54,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:12:54,596 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:12:54,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:12:54,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:12:54,598 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:12:54,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:12:54,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:12:54,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:12:54,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:12:54,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:12:54,601 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:12:54,601 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:12:54,602 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:12:54,602 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:12:54,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:12:54,603 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:12:54,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:12:54,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:12:54,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:12:54,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:12:54,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:54,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:12:54,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:12:54,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:12:54,608 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:12:54,608 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:12:54,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:12:54,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:12:54,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:12:54,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:12:54,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:12:54,610 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:12:54,610 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2023-11-21 22:12:55,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:12:55,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:12:55,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:12:55,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:12:55,068 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:12:55,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2023-11-21 22:12:58,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:12:58,597 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:12:58,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2023-11-21 22:12:58,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/data/cb0e2006a/11b906662ee5416fbd8fa682e98909ce/FLAG4b1eb81cd [2023-11-21 22:12:58,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/data/cb0e2006a/11b906662ee5416fbd8fa682e98909ce [2023-11-21 22:12:58,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:12:58,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:12:58,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:58,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:12:58,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:12:58,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:58,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7d5748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58, skipping insertion in model container [2023-11-21 22:12:58,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:58,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:58,882 WARN L240 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_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2023-11-21 22:12:58,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:58,902 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:12:58,955 WARN L240 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_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2023-11-21 22:12:58,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:58,994 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:12:58,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58 WrapperNode [2023-11-21 22:12:58,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:58,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:58,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:12:58,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:12:59,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,102 INFO L138 Inliner]: procedures = 21, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 243 [2023-11-21 22:12:59,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:59,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:12:59,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:12:59,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:12:59,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,125 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,156 INFO L187 HeapSplitter]: Split 21 memory accesses to 7 slices as follows [2, 3, 3, 5, 3, 3, 2] [2023-11-21 22:12:59,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:12:59,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:12:59,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:12:59,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:12:59,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (1/1) ... [2023-11-21 22:12:59,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:59,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:59,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:12:59,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:12:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:12:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-21 22:12:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-21 22:12:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-21 22:12:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-21 22:12:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-21 22:12:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-21 22:12:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-11-21 22:12:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-21 22:12:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-21 22:12:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-21 22:12:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-21 22:12:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-21 22:12:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-21 22:12:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-11-21 22:12:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:12:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-21 22:12:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-21 22:12:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-21 22:12:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-21 22:12:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-21 22:12:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-21 22:12:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:12:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-21 22:12:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-21 22:12:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-21 22:12:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-21 22:12:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-21 22:12:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-21 22:12:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-11-21 22:12:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-21 22:12:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-21 22:12:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-21 22:12:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-21 22:12:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-21 22:12:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-21 22:12:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-21 22:12:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:12:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:12:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-21 22:12:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-21 22:12:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-21 22:12:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-21 22:12:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-21 22:12:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-21 22:12:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-21 22:12:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:12:59,494 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:12:59,496 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:13:03,141 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:13:03,241 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:13:03,241 INFO L308 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-21 22:13:03,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:03 BoogieIcfgContainer [2023-11-21 22:13:03,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:13:03,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:13:03,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:13:03,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:13:03,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:12:58" (1/3) ... [2023-11-21 22:13:03,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4118bec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:13:03, skipping insertion in model container [2023-11-21 22:13:03,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:58" (2/3) ... [2023-11-21 22:13:03,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4118bec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:13:03, skipping insertion in model container [2023-11-21 22:13:03,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:03" (3/3) ... [2023-11-21 22:13:03,253 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2023-11-21 22:13:03,273 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:13:03,273 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:13:03,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:13:03,330 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=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;@1d8e523b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:13:03,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:13:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 43 states have internal predecessors, (74), 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) [2023-11-21 22:13:03,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 22:13:03,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:03,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:03,343 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:03,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:03,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1427330066, now seen corresponding path program 1 times [2023-11-21 22:13:03,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:13:03,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626672271] [2023-11-21 22:13:03,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:03,381 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 [2023-11-21 22:13:03,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:13:03,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:13:03,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:13:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:04,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 22:13:04,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:04,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:04,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:04,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:13:04,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626672271] [2023-11-21 22:13:04,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626672271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:04,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:04,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:13:04,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169780883] [2023-11-21 22:13:04,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:04,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:13:04,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:13:04,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:13:04,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:13:04,396 INFO L87 Difference]: Start difference. First operand has 44 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 43 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:13:04,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:04,665 INFO L93 Difference]: Finished difference Result 87 states and 147 transitions. [2023-11-21 22:13:04,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:13:04,668 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-21 22:13:04,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:04,678 INFO L225 Difference]: With dead ends: 87 [2023-11-21 22:13:04,678 INFO L226 Difference]: Without dead ends: 41 [2023-11-21 22:13:04,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:13:04,688 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:04,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:13:04,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-21 22:13:04,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-21 22:13:04,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.45) internal successors, (58), 40 states have internal predecessors, (58), 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) [2023-11-21 22:13:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2023-11-21 22:13:04,737 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 11 [2023-11-21 22:13:04,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:04,738 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-11-21 22:13:04,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:13:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-21 22:13:04,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 22:13:04,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:04,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:04,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:04,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:13:04,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:04,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:04,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1895229850, now seen corresponding path program 1 times [2023-11-21 22:13:04,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:13:04,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080383159] [2023-11-21 22:13:04,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:04,963 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 [2023-11-21 22:13:04,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:13:04,965 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:13:04,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:13:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:06,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-21 22:13:06,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:11,474 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:11,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:13:11,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080383159] [2023-11-21 22:13:11,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080383159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:11,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:11,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 22:13:11,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341544237] [2023-11-21 22:13:11,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:11,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:13:11,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:13:11,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:13:11,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=56, Unknown=1, NotChecked=0, Total=72 [2023-11-21 22:13:11,479 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:13:15,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:13:18,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:13:25,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:13:27,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:13:29,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-21 22:13:29,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:29,398 INFO L93 Difference]: Finished difference Result 45 states and 61 transitions. [2023-11-21 22:13:29,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:13:29,401 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-21 22:13:29,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:29,401 INFO L225 Difference]: With dead ends: 45 [2023-11-21 22:13:29,401 INFO L226 Difference]: Without dead ends: 17 [2023-11-21 22:13:29,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=33, Invalid=120, Unknown=3, NotChecked=0, Total=156 [2023-11-21 22:13:29,404 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:29,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 34 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 5 Unknown, 0 Unchecked, 12.4s Time] [2023-11-21 22:13:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-11-21 22:13:29,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-21 22:13:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:13:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2023-11-21 22:13:29,413 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 14 [2023-11-21 22:13:29,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:29,414 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2023-11-21 22:13:29,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:13:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2023-11-21 22:13:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 22:13:29,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:29,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:29,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:29,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:13:29,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:29,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:29,639 INFO L85 PathProgramCache]: Analyzing trace with hash -396498047, now seen corresponding path program 1 times [2023-11-21 22:13:29,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:13:29,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988044590] [2023-11-21 22:13:29,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:29,640 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 [2023-11-21 22:13:29,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:13:29,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:13:29,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:13:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:29,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 22:13:29,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:31,968 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:31,968 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:13:31,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988044590] [2023-11-21 22:13:31,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1988044590] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:31,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:31,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:13:31,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780849797] [2023-11-21 22:13:31,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:31,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:13:31,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:13:31,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:13:31,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:13:31,971 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:13:33,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:33,181 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2023-11-21 22:13:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 22:13:33,182 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-21 22:13:33,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:33,182 INFO L225 Difference]: With dead ends: 17 [2023-11-21 22:13:33,182 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:13:33,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:13:33,184 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:33,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 41 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-21 22:13:33,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:13:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:13:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:13:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:13:33,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2023-11-21 22:13:33,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:33,187 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:13:33,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:13:33,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:13:33,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:13:33,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:13:33,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:33,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:13:33,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:13:38,070 INFO L895 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2023-11-21 22:13:38,071 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 156) no Hoare annotation was computed. [2023-11-21 22:13:38,071 INFO L895 garLoopResultBuilder]: At program point L151-1(lines 151 156) the Hoare annotation is: false [2023-11-21 22:13:38,071 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 151 156) no Hoare annotation was computed. [2023-11-21 22:13:38,071 INFO L899 garLoopResultBuilder]: For program point L52(lines 22 160) no Hoare annotation was computed. [2023-11-21 22:13:38,071 INFO L899 garLoopResultBuilder]: For program point L119-1(lines 22 160) no Hoare annotation was computed. [2023-11-21 22:13:38,072 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 59) no Hoare annotation was computed. [2023-11-21 22:13:38,072 INFO L899 garLoopResultBuilder]: For program point L103-2(lines 100 114) no Hoare annotation was computed. [2023-11-21 22:13:38,072 INFO L895 garLoopResultBuilder]: At program point L54-3(lines 54 55) the Hoare annotation is: false [2023-11-21 22:13:38,072 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 190) no Hoare annotation was computed. [2023-11-21 22:13:38,072 INFO L895 garLoopResultBuilder]: At program point L105-1(lines 100 114) the Hoare annotation is: false [2023-11-21 22:13:38,072 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-11-21 22:13:38,073 INFO L895 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2023-11-21 22:13:38,073 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:13:38,073 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 44) no Hoare annotation was computed. [2023-11-21 22:13:38,073 INFO L899 garLoopResultBuilder]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2023-11-21 22:13:38,073 INFO L895 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) |ULTIMATE.start_main_~x~0#1|))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_double_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) [2023-11-21 22:13:38,074 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 110) no Hoare annotation was computed. [2023-11-21 22:13:38,074 INFO L895 garLoopResultBuilder]: At program point L126-2(lines 126 130) the Hoare annotation is: false [2023-11-21 22:13:38,074 INFO L899 garLoopResultBuilder]: For program point L126-3(lines 22 160) no Hoare annotation was computed. [2023-11-21 22:13:38,074 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 172 194) no Hoare annotation was computed. [2023-11-21 22:13:38,074 INFO L899 garLoopResultBuilder]: For program point fmod_double_returnLabel#1(lines 22 160) no Hoare annotation was computed. [2023-11-21 22:13:38,074 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 50) no Hoare annotation was computed. [2023-11-21 22:13:38,074 INFO L899 garLoopResultBuilder]: For program point L45-2(lines 22 160) no Hoare annotation was computed. [2023-11-21 22:13:38,075 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2023-11-21 22:13:38,075 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:13:38,075 INFO L899 garLoopResultBuilder]: For program point L63(lines 22 160) no Hoare annotation was computed. [2023-11-21 22:13:38,075 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 70) no Hoare annotation was computed. [2023-11-21 22:13:38,075 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 49) no Hoare annotation was computed. [2023-11-21 22:13:38,075 INFO L899 garLoopResultBuilder]: For program point L164-1(lines 164 168) no Hoare annotation was computed. [2023-11-21 22:13:38,076 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 158) no Hoare annotation was computed. [2023-11-21 22:13:38,076 INFO L895 garLoopResultBuilder]: At program point L164-2(lines 164 168) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_main_~y~0#1|))) [2023-11-21 22:13:38,077 INFO L899 garLoopResultBuilder]: For program point L164-3(lines 164 168) no Hoare annotation was computed. [2023-11-21 22:13:38,077 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 37) no Hoare annotation was computed. [2023-11-21 22:13:38,077 INFO L895 garLoopResultBuilder]: At program point L32-1(lines 32 37) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_16| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_17| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_16|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_17|))) (= |ULTIMATE.start_fmod_double_~hx~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_17|)) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_16|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))))) (= |ULTIMATE.start_fmod_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) |ULTIMATE.start_main_~x~0#1|))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_double_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) [2023-11-21 22:13:38,077 INFO L899 garLoopResultBuilder]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2023-11-21 22:13:38,078 INFO L895 garLoopResultBuilder]: At program point L65-3(lines 65 66) the Hoare annotation is: false [2023-11-21 22:13:38,078 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2023-11-21 22:13:38,078 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 191) no Hoare annotation was computed. [2023-11-21 22:13:38,078 INFO L899 garLoopResultBuilder]: For program point L182-2(lines 182 191) no Hoare annotation was computed. [2023-11-21 22:13:38,078 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 133 138) no Hoare annotation was computed. [2023-11-21 22:13:38,079 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 100 114) no Hoare annotation was computed. [2023-11-21 22:13:38,079 INFO L895 garLoopResultBuilder]: At program point L133-2(lines 133 138) the Hoare annotation is: false [2023-11-21 22:13:38,079 INFO L899 garLoopResultBuilder]: For program point L100-3(lines 100 114) no Hoare annotation was computed. [2023-11-21 22:13:38,082 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-21 22:13:38,085 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:13:38,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_16 : bv64, v_skolemized_q#valueAsBitvector_17 : bv64 :: (~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_17[63:63], v_skolemized_q#valueAsBitvector_17[62:52], v_skolemized_q#valueAsBitvector_17[51:0]) && ~hx~0 == v_skolemized_q#valueAsBitvector_17[63:32]) && !(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_16[63:32]), 2148532224bv32), 31bv32) == 0bv32)) could not be translated [2023-11-21 22:13:38,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_23 : bv64 :: !(0bv32 == ~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_23[63:32]), 2148532224bv32), 31bv32)) && ~fp~64(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~x~0) could not be translated [2023-11-21 22:13:38,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated [2023-11-21 22:13:38,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) == ~y~0) could not be translated [2023-11-21 22:13:38,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_23 : bv64 :: !(0bv32 == ~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_23[63:32]), 2148532224bv32), 31bv32)) && ~fp~64(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~x~0) could not be translated [2023-11-21 22:13:38,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated [2023-11-21 22:13:38,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:13:38 BoogieIcfgContainer [2023-11-21 22:13:38,110 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:13:38,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:13:38,111 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:13:38,112 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:13:38,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:03" (3/4) ... [2023-11-21 22:13:38,114 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:13:38,135 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-21 22:13:38,136 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 22:13:38,136 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:13:38,136 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:13:38,246 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:13:38,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:13:38,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:13:38,248 INFO L158 Benchmark]: Toolchain (without parser) took 39622.64ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 45.3MB in the beginning and 58.6MB in the end (delta: -13.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-11-21 22:13:38,249 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 96.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:13:38,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.53ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 45.1MB in the beginning and 70.7MB in the end (delta: -25.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-21 22:13:38,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.82ms. Allocated memory is still 92.3MB. Free memory was 70.7MB in the beginning and 68.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:13:38,251 INFO L158 Benchmark]: Boogie Preprocessor took 128.58ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 64.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:13:38,251 INFO L158 Benchmark]: RCFGBuilder took 4008.18ms. Allocated memory is still 92.3MB. Free memory was 64.4MB in the beginning and 48.9MB in the end (delta: 15.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 22:13:38,251 INFO L158 Benchmark]: TraceAbstraction took 34864.87ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 63.5MB in the end (delta: -15.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-21 22:13:38,252 INFO L158 Benchmark]: Witness Printer took 136.66ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 58.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:13:38,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 96.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.53ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 45.1MB in the beginning and 70.7MB in the end (delta: -25.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.82ms. Allocated memory is still 92.3MB. Free memory was 70.7MB in the beginning and 68.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.58ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 64.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4008.18ms. Allocated memory is still 92.3MB. Free memory was 64.4MB in the beginning and 48.9MB in the end (delta: 15.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 34864.87ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 63.5MB in the end (delta: -15.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 136.66ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 58.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_16 : bv64, v_skolemized_q#valueAsBitvector_17 : bv64 :: (~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_17[63:63], v_skolemized_q#valueAsBitvector_17[62:52], v_skolemized_q#valueAsBitvector_17[51:0]) && ~hx~0 == v_skolemized_q#valueAsBitvector_17[63:32]) && !(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_16[63:32]), 2148532224bv32), 31bv32) == 0bv32)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_23 : bv64 :: !(0bv32 == ~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_23[63:32]), 2148532224bv32), 31bv32)) && ~fp~64(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~x~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) == ~y~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_23 : bv64 :: !(0bv32 == ~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_23[63:32]), 2148532224bv32), 31bv32)) && ~fp~64(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~x~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated * 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 - PositiveResult [Line: 188]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 13.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 13.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 59 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 14 NumberOfFragments, 126 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 44 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 23 QuantifiedInterpolants, 726 SizeOfPredicates, 26 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-21 22:13:38,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6540307c-ae9e-4f85-be52-c1c1f6fbbd25/bin/uautomizer-verify-bycVGegfSx/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: TRUE