./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 05:11:38,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 05:11:38,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 05:11:38,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 05:11:38,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 05:11:38,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 05:11:38,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 05:11:38,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 05:11:38,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 05:11:38,849 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 05:11:38,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 05:11:38,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 05:11:38,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 05:11:38,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 05:11:38,851 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 05:11:38,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 05:11:38,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 05:11:38,853 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 05:11:38,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 05:11:38,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 05:11:38,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 05:11:38,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 05:11:38,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 05:11:38,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 05:11:38,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 05:11:38,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 05:11:38,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 05:11:38,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 05:11:38,858 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 05:11:38,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 05:11:38,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 05:11:38,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 05:11:38,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:11:38,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 05:11:38,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 05:11:38,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 05:11:38,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 05:11:38,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 05:11:38,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 05:11:38,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 05:11:38,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 05:11:38,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 05:11:38,862 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 [2024-11-16 05:11:39,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 05:11:39,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 05:11:39,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 05:11:39,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 05:11:39,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 05:11:39,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2024-11-16 05:11:40,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 05:11:40,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 05:11:40,777 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2024-11-16 05:11:40,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63b741f1/01a30374ce364aa5b7b0eee84e1dc162/FLAGe0bf627ff [2024-11-16 05:11:40,801 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63b741f1/01a30374ce364aa5b7b0eee84e1dc162 [2024-11-16 05:11:40,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 05:11:40,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 05:11:40,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 05:11:40,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 05:11:40,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 05:11:40,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:11:40" (1/1) ... [2024-11-16 05:11:40,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e52c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:40, skipping insertion in model container [2024-11-16 05:11:40,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:11:40" (1/1) ... [2024-11-16 05:11:40,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 05:11:41,076 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2024-11-16 05:11:41,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:11:41,090 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 05:11:41,149 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2024-11-16 05:11:41,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:11:41,173 INFO L204 MainTranslator]: Completed translation [2024-11-16 05:11:41,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41 WrapperNode [2024-11-16 05:11:41,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 05:11:41,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 05:11:41,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 05:11:41,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 05:11:41,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,232 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 432 [2024-11-16 05:11:41,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 05:11:41,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 05:11:41,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 05:11:41,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 05:11:41,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,284 INFO L175 MemorySlicer]: Split 19 memory accesses to 6 slices as follows [2, 3, 3, 5, 3, 3]. 26 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0]. The 6 writes are split as follows [0, 2, 2, 0, 1, 1]. [2024-11-16 05:11:41,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,304 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 05:11:41,315 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 05:11:41,315 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 05:11:41,316 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 05:11:41,316 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (1/1) ... [2024-11-16 05:11:41,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:11:41,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 05:11:41,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 05:11:41,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 05:11:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 05:11:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 05:11:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 05:11:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 05:11:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 05:11:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 05:11:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 05:11:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 05:11:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 05:11:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 05:11:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 05:11:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 05:11:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 05:11:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 05:11:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-16 05:11:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-16 05:11:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-16 05:11:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-16 05:11:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-16 05:11:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-16 05:11:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-16 05:11:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-16 05:11:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-16 05:11:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-16 05:11:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-16 05:11:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-16 05:11:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 05:11:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 05:11:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 05:11:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 05:11:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 05:11:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 05:11:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 05:11:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 05:11:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-16 05:11:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-16 05:11:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-16 05:11:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-16 05:11:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-16 05:11:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-16 05:11:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 05:11:41,576 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 05:11:41,579 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 05:11:42,174 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-16 05:11:42,175 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 05:11:42,225 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 05:11:42,225 INFO L336 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-16 05:11:42,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:11:42 BoogieIcfgContainer [2024-11-16 05:11:42,226 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 05:11:42,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 05:11:42,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 05:11:42,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 05:11:42,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:11:40" (1/3) ... [2024-11-16 05:11:42,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0519bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:11:42, skipping insertion in model container [2024-11-16 05:11:42,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:41" (2/3) ... [2024-11-16 05:11:42,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0519bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:11:42, skipping insertion in model container [2024-11-16 05:11:42,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:11:42" (3/3) ... [2024-11-16 05:11:42,236 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2024-11-16 05:11:42,254 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 05:11:42,254 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 05:11:42,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 05:11:42,338 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b9741f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 05:11:42,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 05:11:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 148 states have (on average 1.6013513513513513) internal successors, (237), 149 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:11:42,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-16 05:11:42,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:11:42,348 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:11:42,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:11:42,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:11:42,353 INFO L85 PathProgramCache]: Analyzing trace with hash -723086681, now seen corresponding path program 1 times [2024-11-16 05:11:42,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:11:42,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145777085] [2024-11-16 05:11:42,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:11:42,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:11:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:11:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:11:42,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 05:11:42,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145777085] [2024-11-16 05:11:42,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145777085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:11:42,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:11:42,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 05:11:42,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640241855] [2024-11-16 05:11:42,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:11:42,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 05:11:42,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 05:11:42,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 05:11:42,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:11:42,546 INFO L87 Difference]: Start difference. First operand has 150 states, 148 states have (on average 1.6013513513513513) internal successors, (237), 149 states have internal predecessors, (237), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:11:42,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:11:42,634 INFO L93 Difference]: Finished difference Result 297 states and 471 transitions. [2024-11-16 05:11:42,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 05:11:42,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-16 05:11:42,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:11:42,651 INFO L225 Difference]: With dead ends: 297 [2024-11-16 05:11:42,651 INFO L226 Difference]: Without dead ends: 146 [2024-11-16 05:11:42,655 INFO L431 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 [2024-11-16 05:11:42,661 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 05:11:42,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 05:11:42,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-16 05:11:42,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-16 05:11:42,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.4896551724137932) internal successors, (216), 145 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:11:42,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 216 transitions. [2024-11-16 05:11:42,714 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 216 transitions. Word has length 15 [2024-11-16 05:11:42,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:11:42,715 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 216 transitions. [2024-11-16 05:11:42,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:11:42,716 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 216 transitions. [2024-11-16 05:11:42,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-16 05:11:42,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:11:42,717 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:11:42,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 05:11:42,718 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:11:42,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:11:42,718 INFO L85 PathProgramCache]: Analyzing trace with hash 924211975, now seen corresponding path program 1 times [2024-11-16 05:11:42,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:11:42,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155950437] [2024-11-16 05:11:42,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:11:42,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:11:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:11:42,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 05:11:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:11:42,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 05:11:42,886 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 05:11:42,888 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 05:11:42,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 05:11:42,893 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 05:11:42,930 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 05:11:42,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:11:42 BoogieIcfgContainer [2024-11-16 05:11:42,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 05:11:42,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 05:11:42,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 05:11:42,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 05:11:42,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:11:42" (3/4) ... [2024-11-16 05:11:42,938 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 05:11:42,940 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 05:11:42,942 INFO L158 Benchmark]: Toolchain (without parser) took 2136.01ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 44.6MB in the end (delta: 72.2MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-11-16 05:11:42,942 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 76.0MB in the end (delta: 58.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:11:42,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.41ms. Allocated memory is still 151.0MB. Free memory was 115.7MB in the beginning and 100.1MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 05:11:42,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.18ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 96.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:11:42,947 INFO L158 Benchmark]: Boogie Preprocessor took 81.10ms. Allocated memory is still 151.0MB. Free memory was 96.8MB in the beginning and 92.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:11:42,947 INFO L158 Benchmark]: IcfgBuilder took 910.92ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 82.3MB in the end (delta: 10.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 05:11:42,947 INFO L158 Benchmark]: TraceAbstraction took 705.44ms. Allocated memory is still 151.0MB. Free memory was 82.3MB in the beginning and 44.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-16 05:11:42,947 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 151.0MB. Free memory is still 44.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:11:42,949 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 76.0MB in the end (delta: 58.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.41ms. Allocated memory is still 151.0MB. Free memory was 115.7MB in the beginning and 100.1MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.18ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 96.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.10ms. Allocated memory is still 151.0MB. Free memory was 96.8MB in the beginning and 92.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 910.92ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 82.3MB in the end (delta: 10.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 705.44ms. Allocated memory is still 151.0MB. Free memory was 82.3MB in the beginning and 44.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 151.0MB. Free memory is still 44.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 177]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L171] double x = __VERIFIER_nondet_double(); [L172] double y = 0.0; [L173] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, one_fmod=1, x=4294967311, y=0] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L34] COND FALSE !(0) VAL [Zero_fmod={4:0}, hx=0, lx=4294967297, one_fmod=1, x=4294967311, y=0] [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L40] COND FALSE !(0) VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=4294967297, ly=0, one_fmod=1, x=4294967311, y=0] [L41] sx = hx & 0x80000000 VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=4294967297, ly=0, one_fmod=1, sx=0, x=4294967311, y=0] [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=4294967297, ly=0, one_fmod=1, sx=0, x=4294967311, y=0] [L45] EXPR hy | ly VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=4294967297, ly=0, one_fmod=1, sx=0, x=4294967311, y=0] [L45-L46] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=4294967297, ly=0, one_fmod=1, sx=0, x=4294967311, y=0] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=4294967297, ly=0, one_fmod=1, sx=0, x=4294967311, y=0] [L173] RET, EXPR fmod_double(x, y) [L173] double res = fmod_double(x, y); [L176] CALL, EXPR isnan_double(res) [L18] return x != x; VAL [Zero_fmod={4:0}, \result=0, one_fmod=1] [L176] RET, EXPR isnan_double(res) [L176] COND TRUE !isnan_double(res) [L177] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 190 mSDtfsCounter, 29 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=150occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 [2024-11-16 05:11:43,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 05:11:45,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 05:11:45,194 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 05:11:45,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 05:11:45,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 05:11:45,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 05:11:45,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 05:11:45,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 05:11:45,235 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 05:11:45,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 05:11:45,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 05:11:45,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 05:11:45,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 05:11:45,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 05:11:45,237 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 05:11:45,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 05:11:45,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 05:11:45,240 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 05:11:45,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 05:11:45,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 05:11:45,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 05:11:45,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 05:11:45,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 05:11:45,245 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 05:11:45,245 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 05:11:45,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 05:11:45,246 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 05:11:45,246 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 05:11:45,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 05:11:45,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 05:11:45,247 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 05:11:45,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 05:11:45,247 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 05:11:45,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 05:11:45,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:11:45,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 05:11:45,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 05:11:45,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 05:11:45,250 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 05:11:45,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 05:11:45,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 05:11:45,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 05:11:45,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 05:11:45,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 05:11:45,252 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 [2024-11-16 05:11:45,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 05:11:45,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 05:11:45,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 05:11:45,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 05:11:45,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 05:11:45,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2024-11-16 05:11:47,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 05:11:47,387 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 05:11:47,388 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2024-11-16 05:11:47,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64bd9061d/a8de00683efc4babb13fc3c551cf4f3c/FLAGe55b72206 [2024-11-16 05:11:47,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64bd9061d/a8de00683efc4babb13fc3c551cf4f3c [2024-11-16 05:11:47,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 05:11:47,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 05:11:47,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 05:11:47,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 05:11:47,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 05:11:47,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:11:47" (1/1) ... [2024-11-16 05:11:47,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f9312e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:47, skipping insertion in model container [2024-11-16 05:11:47,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:11:47" (1/1) ... [2024-11-16 05:11:47,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 05:11:48,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2024-11-16 05:11:48,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:11:48,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 05:11:48,142 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2024-11-16 05:11:48,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:11:48,170 INFO L204 MainTranslator]: Completed translation [2024-11-16 05:11:48,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48 WrapperNode [2024-11-16 05:11:48,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 05:11:48,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 05:11:48,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 05:11:48,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 05:11:48,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,226 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 218 [2024-11-16 05:11:48,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 05:11:48,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 05:11:48,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 05:11:48,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 05:11:48,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,243 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,269 INFO L175 MemorySlicer]: Split 19 memory accesses to 6 slices as follows [2, 5, 3, 3, 3, 3]. 26 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0, 0, 0, 0]. The 6 writes are split as follows [0, 0, 1, 1, 2, 2]. [2024-11-16 05:11:48,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,305 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 05:11:48,315 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 05:11:48,315 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 05:11:48,315 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 05:11:48,316 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (1/1) ... [2024-11-16 05:11:48,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:11:48,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 05:11:48,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 05:11:48,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 05:11:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 05:11:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-16 05:11:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-16 05:11:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-16 05:11:48,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-16 05:11:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-16 05:11:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-16 05:11:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-16 05:11:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-16 05:11:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-16 05:11:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-16 05:11:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-16 05:11:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-16 05:11:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 05:11:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 05:11:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-16 05:11:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-16 05:11:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-16 05:11:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-16 05:11:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 05:11:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-16 05:11:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-16 05:11:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-16 05:11:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-16 05:11:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-16 05:11:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-16 05:11:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-16 05:11:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-16 05:11:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-16 05:11:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-16 05:11:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-16 05:11:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-16 05:11:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 05:11:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 05:11:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-16 05:11:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-16 05:11:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-16 05:11:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-16 05:11:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-16 05:11:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-16 05:11:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 05:11:48,535 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 05:11:48,537 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 05:11:55,122 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-16 05:11:55,122 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 05:11:55,135 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 05:11:55,136 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 05:11:55,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:11:55 BoogieIcfgContainer [2024-11-16 05:11:55,136 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 05:11:55,140 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 05:11:55,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 05:11:55,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 05:11:55,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:11:47" (1/3) ... [2024-11-16 05:11:55,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdb4fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:11:55, skipping insertion in model container [2024-11-16 05:11:55,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:48" (2/3) ... [2024-11-16 05:11:55,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdb4fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:11:55, skipping insertion in model container [2024-11-16 05:11:55,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:11:55" (3/3) ... [2024-11-16 05:11:55,148 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2024-11-16 05:11:55,166 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 05:11:55,166 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 05:11:55,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 05:11:55,227 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c8e6674, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 05:11:55,228 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 05:11:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 55 states have (on average 1.7818181818181817) internal successors, (98), 56 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:11:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-16 05:11:55,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:11:55,245 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:11:55,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:11:55,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:11:55,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1547122295, now seen corresponding path program 1 times [2024-11-16 05:11:55,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:11:55,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144565406] [2024-11-16 05:11:55,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:11:55,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:11:55,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:11:55,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 05:11:55,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 05:11:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:11:56,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 05:11:56,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:11:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:11:56,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:11:56,071 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:11:56,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144565406] [2024-11-16 05:11:56,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144565406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:11:56,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:11:56,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 05:11:56,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906574889] [2024-11-16 05:11:56,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:11:56,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 05:11:56,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:11:56,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 05:11:56,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:11:56,114 INFO L87 Difference]: Start difference. First operand has 57 states, 55 states have (on average 1.7818181818181817) internal successors, (98), 56 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:11:56,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:11:56,143 INFO L93 Difference]: Finished difference Result 111 states and 193 transitions. [2024-11-16 05:11:56,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 05:11:56,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-16 05:11:56,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:11:56,158 INFO L225 Difference]: With dead ends: 111 [2024-11-16 05:11:56,159 INFO L226 Difference]: Without dead ends: 53 [2024-11-16 05:11:56,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:11:56,166 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 05:11:56,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:11:56,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-16 05:11:56,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-16 05:11:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 52 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:11:56,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 79 transitions. [2024-11-16 05:11:56,211 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 79 transitions. Word has length 10 [2024-11-16 05:11:56,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:11:56,212 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 79 transitions. [2024-11-16 05:11:56,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:11:56,212 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2024-11-16 05:11:56,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-16 05:11:56,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:11:56,213 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:11:56,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-16 05:11:56,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:11:56,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:11:56,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:11:56,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1341775127, now seen corresponding path program 1 times [2024-11-16 05:11:56,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:11:56,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563831563] [2024-11-16 05:11:56,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:11:56,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:11:56,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:11:56,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 05:11:56,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-16 05:11:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:11:57,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 05:11:57,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:12:15,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:12:15,863 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:12:15,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:12:15,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563831563] [2024-11-16 05:12:15,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563831563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:12:15,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:12:15,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 05:12:15,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101228425] [2024-11-16 05:12:15,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:12:15,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 05:12:15,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:12:15,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 05:12:15,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 05:12:15,870 INFO L87 Difference]: Start difference. First operand 53 states and 79 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:12:16,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-16 05:12:21,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 05:12:34,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-16 05:12:37,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-16 05:12:41,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 05:12:42,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 05:12:43,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 05:12:45,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:12:45,035 INFO L93 Difference]: Finished difference Result 58 states and 83 transitions. [2024-11-16 05:12:45,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 05:12:45,061 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-16 05:12:45,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:12:45,062 INFO L225 Difference]: With dead ends: 58 [2024-11-16 05:12:45,062 INFO L226 Difference]: Without dead ends: 53 [2024-11-16 05:12:45,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-16 05:12:45,063 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 74 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2024-11-16 05:12:45,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 292 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 2 Unknown, 0 Unchecked, 19.3s Time] [2024-11-16 05:12:45,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-16 05:12:45,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-16 05:12:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.5) internal successors, (78), 52 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:12:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2024-11-16 05:12:45,080 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 12 [2024-11-16 05:12:45,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:12:45,080 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2024-11-16 05:12:45,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:12:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2024-11-16 05:12:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-16 05:12:45,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:12:45,081 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:12:45,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-16 05:12:45,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:12:45,283 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:12:45,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:12:45,283 INFO L85 PathProgramCache]: Analyzing trace with hash 326348822, now seen corresponding path program 1 times [2024-11-16 05:12:45,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:12:45,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006944134] [2024-11-16 05:12:45,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:12:45,284 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:12:45,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:12:45,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 05:12:45,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-16 05:12:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:12:45,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-16 05:12:45,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:12:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:12:46,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:12:46,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:12:46,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006944134] [2024-11-16 05:12:46,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006944134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:12:46,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:12:46,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 05:12:46,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449089137] [2024-11-16 05:12:46,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:12:46,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 05:12:46,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:12:46,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 05:12:46,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 05:12:46,481 INFO L87 Difference]: Start difference. First operand 53 states and 78 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2024-11-16 05:12:46,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:12:46,783 INFO L93 Difference]: Finished difference Result 53 states and 78 transitions. [2024-11-16 05:12:46,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 05:12:46,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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 [2024-11-16 05:12:46,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:12:46,784 INFO L225 Difference]: With dead ends: 53 [2024-11-16 05:12:46,784 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 05:12:46,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 05:12:46,786 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 05:12:46,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 05:12:46,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 05:12:46,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 05:12:46,787 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) [2024-11-16 05:12:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 05:12:46,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2024-11-16 05:12:46,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:12:46,788 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 05:12:46,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2024-11-16 05:12:46,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 05:12:46,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 05:12:46,791 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 05:12:46,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-16 05:12:46,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:12:46,995 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 05:12:47,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 05:12:47,442 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 05:12:47,454 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-11-16 05:12:47,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 05:12:47,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-16 05:12:47,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:12:47 BoogieIcfgContainer [2024-11-16 05:12:47,456 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 05:12:47,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 05:12:47,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 05:12:47,457 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 05:12:47,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:11:55" (3/4) ... [2024-11-16 05:12:47,460 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 05:12:47,473 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-11-16 05:12:47,474 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-16 05:12:47,475 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 05:12:47,475 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 05:12:47,585 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 05:12:47,586 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 05:12:47,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 05:12:47,586 INFO L158 Benchmark]: Toolchain (without parser) took 59824.44ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.7MB in the beginning and 49.7MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:12:47,587 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:12:47,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.71ms. Allocated memory is still 67.1MB. Free memory was 31.5MB in the beginning and 33.0MB in the end (delta: -1.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-11-16 05:12:47,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.39ms. Allocated memory is still 67.1MB. Free memory was 33.0MB in the beginning and 30.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 05:12:47,587 INFO L158 Benchmark]: Boogie Preprocessor took 86.48ms. Allocated memory is still 67.1MB. Free memory was 30.6MB in the beginning and 46.1MB in the end (delta: -15.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 05:12:47,588 INFO L158 Benchmark]: IcfgBuilder took 6821.61ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 39.2MB in the end (delta: 6.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-11-16 05:12:47,588 INFO L158 Benchmark]: TraceAbstraction took 52316.32ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.4MB in the beginning and 56.0MB in the end (delta: -17.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-16 05:12:47,588 INFO L158 Benchmark]: Witness Printer took 128.88ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 49.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 05:12:47,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.71ms. Allocated memory is still 67.1MB. Free memory was 31.5MB in the beginning and 33.0MB in the end (delta: -1.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.39ms. Allocated memory is still 67.1MB. Free memory was 33.0MB in the beginning and 30.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.48ms. Allocated memory is still 67.1MB. Free memory was 30.6MB in the beginning and 46.1MB in the end (delta: -15.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 6821.61ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 39.2MB in the end (delta: 6.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 52316.32ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.4MB in the beginning and 56.0MB in the end (delta: -17.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Witness Printer took 128.88ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 49.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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: 177]: 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, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 19.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 383 SdHoareTripleChecker+Invalid, 19.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 221 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 162 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 22.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 13, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 19.7s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 147 SizeOfPredicates, 5 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 24 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: 103]: Location Invariant Derived location invariant: null - InvariantResult [Line: 60]: Location Invariant Derived location invariant: null - InvariantResult [Line: 129]: Location Invariant Derived location invariant: null - InvariantResult [Line: 29]: Location Invariant Derived location invariant: null - InvariantResult [Line: 71]: Location Invariant Derived location invariant: null - InvariantResult [Line: 136]: Location Invariant Derived location invariant: null - InvariantResult [Line: 154]: Location Invariant Derived location invariant: null - InvariantResult [Line: 68]: Location Invariant Derived location invariant: null - InvariantResult [Line: 57]: Location Invariant Derived location invariant: null - InvariantResult [Line: 25]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-16 05:12:47,806 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-16 05:12:47,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE