./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-regression/test25-1.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/test25-1.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/ldv-regression/test25-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/test25-1.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:29:39,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:29:39,101 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:29:39,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:29:39,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:29:39,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:29:39,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:29:39,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:29:39,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:29:39,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:29:39,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:29:39,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:29:39,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:29:39,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:29:39,133 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:29:39,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:29:39,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:29:39,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:29:39,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:29:39,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:29:39,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:29:39,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:29:39,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:29:39,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:29:39,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:29:39,142 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:29:39,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:29:39,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:29:39,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:29:39,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:29:39,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:29:39,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:29:39,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:29:39,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:29:39,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:29:39,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:29:39,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:29:39,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:29:39,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:29:39,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:29:39,145 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:29:39,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:29:39,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:29:39,146 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:29:39,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:29:39,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:29:39,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:29:39,366 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:29:39,367 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:29:39,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/test25-1.yml/witness.yml [2024-08-14 14:29:39,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:29:39,437 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:29:39,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-1.c [2024-08-14 14:29:40,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:29:40,809 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:29:40,810 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-1.c [2024-08-14 14:29:40,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cab720a4/aa3880827ff5466e97a848620d65f74e/FLAG120bb22a3 [2024-08-14 14:29:41,220 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cab720a4/aa3880827ff5466e97a848620d65f74e [2024-08-14 14:29:41,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:29:41,222 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:29:41,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:29:41,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:29:41,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:29:41,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:29:39" (1/2) ... [2024-08-14 14:29:41,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47dd9801 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:41, skipping insertion in model container [2024-08-14 14:29:41,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:29:39" (1/2) ... [2024-08-14 14:29:41,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@795842a2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:41, skipping insertion in model container [2024-08-14 14:29:41,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:29:41" (2/2) ... [2024-08-14 14:29:41,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47dd9801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41, skipping insertion in model container [2024-08-14 14:29:41,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:29:41" (2/2) ... [2024-08-14 14:29:41,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:29:41,391 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-1.c[936,949] [2024-08-14 14:29:41,397 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:29:41,406 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:29:41,423 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-1.c[936,949] [2024-08-14 14:29:41,429 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:29:41,442 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:29:41,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41 WrapperNode [2024-08-14 14:29:41,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:29:41,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:29:41,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:29:41,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:29:41,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41" (1/1) ... [2024-08-14 14:29:41,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41" (1/1) ... [2024-08-14 14:29:41,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41" (1/1) ... [2024-08-14 14:29:41,470 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 4, 6]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2024-08-14 14:29:41,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41" (1/1) ... [2024-08-14 14:29:41,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41" (1/1) ... [2024-08-14 14:29:41,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41" (1/1) ... [2024-08-14 14:29:41,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41" (1/1) ... [2024-08-14 14:29:41,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41" (1/1) ... [2024-08-14 14:29:41,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:29:41,488 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:29:41,488 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:29:41,488 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:29:41,489 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41" (1/1) ... [2024-08-14 14:29:41,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:29:41,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:29:41,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:29:41,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:29:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:29:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:29:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:29:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2024-08-14 14:29:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:29:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:29:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:29:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:29:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:29:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:29:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure check [2024-08-14 14:29:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-08-14 14:29:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-08-14 14:29:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-08-14 14:29:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-08-14 14:29:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:29:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:29:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:29:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-14 14:29:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-08-14 14:29:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:29:41,669 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:29:41,671 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:29:41,791 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: call ULTIMATE.dealloc(~#cont~0.base, ~#cont~0.offset);havoc ~#cont~0.base, ~#cont~0.offset;call ULTIMATE.dealloc(~#array~0.base, ~#array~0.offset);havoc ~#array~0.base, ~#array~0.offset; [2024-08-14 14:29:41,803 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L16: havoc #t~mem4.base, #t~mem4.offset;havoc #t~mem5; [2024-08-14 14:29:41,829 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-08-14 14:29:41,830 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:29:41,836 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:29:41,836 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:29:41,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:29:41 BoogieIcfgContainer [2024-08-14 14:29:41,836 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:29:41,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:29:41,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:29:41,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:29:41,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:29:39" (1/4) ... [2024-08-14 14:29:41,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cc68a7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:29:41, skipping insertion in model container [2024-08-14 14:29:41,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:29:41" (2/4) ... [2024-08-14 14:29:41,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cc68a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:29:41, skipping insertion in model container [2024-08-14 14:29:41,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:41" (3/4) ... [2024-08-14 14:29:41,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cc68a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:29:41, skipping insertion in model container [2024-08-14 14:29:41,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:29:41" (4/4) ... [2024-08-14 14:29:41,844 INFO L119 eAbstractionObserver]: Analyzing ICFG test25-1.c [2024-08-14 14:29:41,844 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:29:41,860 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:29:41,861 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:29:41,878 INFO L92 WitnessUtils]: Constructing product of automaton with 31 states and violation witness of the following lengths: [28] [2024-08-14 14:29:41,881 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 31 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 24 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:41,955 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 428 states to 0 states. [2024-08-14 14:29:41,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:29:41,974 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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;@452c9cb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:29:41,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:29:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:29:41,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:29:41,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:29:41,980 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:29:41,982 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:29:41,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:29:41 BoogieIcfgContainer [2024-08-14 14:29:41,986 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:29:41,987 INFO L158 Benchmark]: Toolchain (without parser) took 765.06ms. Allocated memory is still 161.5MB. Free memory was 101.2MB in the beginning and 56.4MB in the end (delta: 44.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-08-14 14:29:41,987 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:29:41,987 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 161.5MB. Free memory was 124.5MB in the beginning and 124.4MB in the end (delta: 83.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:29:41,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.15ms. Allocated memory is still 161.5MB. Free memory was 101.2MB in the beginning and 89.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:29:41,989 INFO L158 Benchmark]: Boogie Preprocessor took 44.27ms. Allocated memory is still 161.5MB. Free memory was 89.3MB in the beginning and 86.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:29:41,989 INFO L158 Benchmark]: IcfgBuilder took 348.25ms. Allocated memory is still 161.5MB. Free memory was 86.8MB in the beginning and 71.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-14 14:29:41,990 INFO L158 Benchmark]: TraceAbstraction took 148.15ms. Allocated memory is still 161.5MB. Free memory was 70.4MB in the beginning and 56.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-14 14:29:41,992 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 161.5MB. Free memory was 124.5MB in the beginning and 124.4MB in the end (delta: 83.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.15ms. Allocated memory is still 161.5MB. Free memory was 101.2MB in the beginning and 89.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.27ms. Allocated memory is still 161.5MB. Free memory was 89.3MB in the beginning and 86.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 348.25ms. Allocated memory is still 161.5MB. Free memory was 86.8MB in the beginning and 71.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 148.15ms. Allocated memory is still 161.5MB. Free memory was 70.4MB in the beginning and 56.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. 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 - PositiveResult [Line: 47]: 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 5 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 14:29:42,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE