/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0470.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 11:09:58,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 11:09:58,080 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 11:09:58,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 11:09:58,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 11:09:58,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 11:09:58,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 11:09:58,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 11:09:58,110 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 11:09:58,111 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 11:09:58,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 11:09:58,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 11:09:58,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 11:09:58,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 11:09:58,112 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 11:09:58,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 11:09:58,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 11:09:58,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 11:09:58,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 11:09:58,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 11:09:58,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 11:09:58,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 11:09:58,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 11:09:58,115 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 11:09:58,116 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 11:09:58,116 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 11:09:58,116 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 11:09:58,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 11:09:58,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 11:09:58,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 11:09:58,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 11:09:58,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 11:09:58,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 11:09:58,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 11:09:58,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 11:09:58,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 11:09:58,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 11:09:58,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 11:09:58,120 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 11:09:58,120 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 11:09:58,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 11:09:58,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 11:09:58,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 11:09:58,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 11:09:58,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 11:09:58,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 11:09:58,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 11:09:58,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 11:09:58,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 11:09:58,357 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 11:09:58,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0470.c [2024-11-03 11:09:59,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 11:09:59,938 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 11:09:59,939 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0470.c [2024-11-03 11:09:59,947 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/211cbd701/64531c9bc3d449c68b621fadbcf28932/FLAGe15d6f2a9 [2024-11-03 11:09:59,962 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/211cbd701/64531c9bc3d449c68b621fadbcf28932 [2024-11-03 11:09:59,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 11:09:59,967 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 11:09:59,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 11:09:59,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 11:09:59,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 11:09:59,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 11:09:59" (1/1) ... [2024-11-03 11:09:59,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f7aeccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:09:59, skipping insertion in model container [2024-11-03 11:09:59,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 11:09:59" (1/1) ... [2024-11-03 11:10:00,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 11:10:00,209 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0470.c[5751,5764] [2024-11-03 11:10:00,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 11:10:00,225 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 11:10:00,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0470.c[5751,5764] [2024-11-03 11:10:00,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 11:10:00,307 INFO L204 MainTranslator]: Completed translation [2024-11-03 11:10:00,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00 WrapperNode [2024-11-03 11:10:00,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 11:10:00,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 11:10:00,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 11:10:00,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 11:10:00,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,353 INFO L138 Inliner]: procedures = 20, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2024-11-03 11:10:00,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 11:10:00,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 11:10:00,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 11:10:00,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 11:10:00,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,372 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,389 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 3, 2, 2, 3, 3]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 2, 1, 1, 1, 2]. [2024-11-03 11:10:00,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 11:10:00,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 11:10:00,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 11:10:00,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 11:10:00,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (1/1) ... [2024-11-03 11:10:00,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 11:10:00,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 11:10:00,455 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) [2024-11-03 11:10:00,457 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 [2024-11-03 11:10:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 11:10:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-03 11:10:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-03 11:10:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-03 11:10:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-03 11:10:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-03 11:10:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-03 11:10:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-03 11:10:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-03 11:10:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-03 11:10:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-03 11:10:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-03 11:10:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-03 11:10:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 11:10:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 11:10:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 11:10:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 11:10:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 11:10:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 11:10:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 11:10:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-11-03 11:10:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-11-03 11:10:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 11:10:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 11:10:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 11:10:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 11:10:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 11:10:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 11:10:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 11:10:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 11:10:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 11:10:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 11:10:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 11:10:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 11:10:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 11:10:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 11:10:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 11:10:00,581 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 11:10:00,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 11:10:26,648 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-03 11:10:26,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 11:10:26,663 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 11:10:26,664 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-03 11:10:26,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:10:26 BoogieIcfgContainer [2024-11-03 11:10:26,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 11:10:26,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 11:10:26,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 11:10:26,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 11:10:26,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 11:09:59" (1/3) ... [2024-11-03 11:10:26,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66489079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 11:10:26, skipping insertion in model container [2024-11-03 11:10:26,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:10:00" (2/3) ... [2024-11-03 11:10:26,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66489079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 11:10:26, skipping insertion in model container [2024-11-03 11:10:26,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:10:26" (3/3) ... [2024-11-03 11:10:26,678 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470.c [2024-11-03 11:10:26,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 11:10:26,724 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 11:10:26,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 11:10:26,783 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;@5437b617, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 11:10:26,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 11:10:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 65 states have (on average 1.646153846153846) internal successors, (107), 66 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 11:10:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-03 11:10:26,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 11:10:26,796 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 11:10:26,797 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 11:10:26,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 11:10:26,803 INFO L85 PathProgramCache]: Analyzing trace with hash 807600397, now seen corresponding path program 1 times [2024-11-03 11:10:26,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 11:10:26,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524787766] [2024-11-03 11:10:26,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 11:10:26,816 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 11:10:26,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 11:10:26,817 FATAL L202 SolverBuilder]: Unable to construct solver: Cannot run program "/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla": error=13, Permission denied [2024-11-03 11:10:26,818 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.RuntimeException: java.io.IOException: Cannot run program "/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla": error=13, Permission denied at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.createExternalSolver(SolverBuilder.java:203) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.buildScript(SolverBuilder.java:125) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.buildAndInitializeSolver(SolverBuilder.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:104) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.constructManagedScript(IpTcStrategyModulePreferences.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Cannot run program "/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla": error=13, Permission denied at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1128) at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1071) at java.base/java.lang.Runtime.exec(Runtime.java:592) at de.uni_freiburg.informatik.ultimate.core.lib.util.MonitoredProcess.exec(MonitoredProcess.java:164) at de.uni_freiburg.informatik.ultimate.core.lib.util.MonitoredProcess.exec(MonitoredProcess.java:215) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.createProcess(Executor.java:127) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.(Executor.java:106) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.(Scriptor.java:74) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.createExternalSolver(SolverBuilder.java:191) ... 32 more Caused by: java.io.IOException: error=13, Permission denied at java.base/java.lang.ProcessImpl.forkAndExec(Native Method) at java.base/java.lang.ProcessImpl.(ProcessImpl.java:340) at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:271) at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1107) ... 41 more [2024-11-03 11:10:26,825 INFO L158 Benchmark]: Toolchain (without parser) took 26856.90ms. Allocated memory was 209.7MB in the beginning and 356.5MB in the end (delta: 146.8MB). Free memory was 170.5MB in the beginning and 320.9MB in the end (delta: -150.4MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 11:10:26,825 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 209.7MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 11:10:26,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.29ms. Allocated memory is still 209.7MB. Free memory was 170.2MB in the beginning and 152.7MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-11-03 11:10:26,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.58ms. Allocated memory is still 209.7MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 11:10:26,827 INFO L158 Benchmark]: Boogie Preprocessor took 70.84ms. Allocated memory is still 209.7MB. Free memory was 150.6MB in the beginning and 146.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-03 11:10:26,827 INFO L158 Benchmark]: RCFGBuilder took 26238.76ms. Allocated memory is still 209.7MB. Free memory was 146.1MB in the beginning and 115.3MB in the end (delta: 30.8MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2024-11-03 11:10:26,828 INFO L158 Benchmark]: TraceAbstraction took 153.08ms. Allocated memory was 209.7MB in the beginning and 356.5MB in the end (delta: 146.8MB). Free memory was 114.6MB in the beginning and 320.9MB in the end (delta: -206.3MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 11:10:26,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 209.7MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 342.29ms. Allocated memory is still 209.7MB. Free memory was 170.2MB in the beginning and 152.7MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.58ms. Allocated memory is still 209.7MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.84ms. Allocated memory is still 209.7MB. Free memory was 150.6MB in the beginning and 146.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 26238.76ms. Allocated memory is still 209.7MB. Free memory was 146.1MB in the beginning and 115.3MB in the end (delta: 30.8MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 153.08ms. Allocated memory was 209.7MB in the beginning and 356.5MB in the end (delta: 146.8MB). Free memory was 114.6MB in the beginning and 320.9MB in the end (delta: -206.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: RuntimeException: java.io.IOException: Cannot run program "/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla": error=13, Permission denied de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: RuntimeException: java.io.IOException: Cannot run program "/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla": error=13, Permission denied: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.createExternalSolver(SolverBuilder.java:203) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-03 11:10:27,051 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 [2024-11-03 11:10:27,189 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...