./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/loops/nec11.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/nec11.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 0a70ae82 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/loops/nec11.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/nec11.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-0a70ae8-m [2024-08-07 14:08:31,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-07 14:08:31,649 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-07 14:08:31,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-07 14:08:31,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-07 14:08:31,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-07 14:08:31,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-07 14:08:31,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-07 14:08:31,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-07 14:08:31,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-07 14:08:31,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-07 14:08:31,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-07 14:08:31,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-07 14:08:31,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-07 14:08:31,683 INFO L153 SettingsManager]: * Use SBE=true [2024-08-07 14:08:31,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-07 14:08:31,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-07 14:08:31,684 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-07 14:08:31,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-07 14:08:31,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-07 14:08:31,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-07 14:08:31,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-07 14:08:31,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-07 14:08:31,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-07 14:08:31,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-07 14:08:31,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-07 14:08:31,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-07 14:08:31,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-07 14:08:31,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-07 14:08:31,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-07 14:08:31,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-07 14:08:31,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-07 14:08:31,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-07 14:08:31,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-07 14:08:31,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-07 14:08:31,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-07 14:08:31,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-07 14:08:31,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-07 14:08:31,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-07 14:08:31,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-07 14:08:31,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-07 14:08:31,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-07 14:08:31,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-07 14:08:31,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-07 14:08:31,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-07 14:08:31,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-07 14:08:32,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-07 14:08:32,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-07 14:08:32,002 INFO L274 PluginConnector]: CDTParser initialized [2024-08-07 14:08:32,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec11.c [2024-08-07 14:08:33,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-07 14:08:33,603 INFO L384 CDTParser]: Found 1 translation units. [2024-08-07 14:08:33,605 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec11.c [2024-08-07 14:08:33,612 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60476442e/4911ce2625c544d5bfd8cf198a2c66e4/FLAGae8533ec5 [2024-08-07 14:08:33,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60476442e/4911ce2625c544d5bfd8cf198a2c66e4 [2024-08-07 14:08:33,631 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-07 14:08:33,634 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-07 14:08:33,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/nec11.yml/witness.yml [2024-08-07 14:08:33,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-07 14:08:33,728 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-07 14:08:33,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-07 14:08:33,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-07 14:08:33,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-07 14:08:33,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 02:08:33" (1/2) ... [2024-08-07 14:08:33,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e678e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:08:33, skipping insertion in model container [2024-08-07 14:08:33,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 02:08:33" (1/2) ... [2024-08-07 14:08:33,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@262d9e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:08:33, skipping insertion in model container [2024-08-07 14:08:33,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 02:08:33" (2/2) ... [2024-08-07 14:08:33,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e678e1d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33, skipping insertion in model container [2024-08-07 14:08:33,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 02:08:33" (2/2) ... [2024-08-07 14:08:33,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-07 14:08:33,868 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/nec11.c[317,330] [2024-08-07 14:08:33,880 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-07 14:08:33,890 INFO L200 MainTranslator]: Completed pre-run [2024-08-07 14:08:33,903 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/nec11.c[317,330] [2024-08-07 14:08:33,907 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-07 14:08:33,921 INFO L204 MainTranslator]: Completed translation [2024-08-07 14:08:33,922 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33 WrapperNode [2024-08-07 14:08:33,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-07 14:08:33,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-07 14:08:33,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-07 14:08:33,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-07 14:08:33,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33" (1/1) ... [2024-08-07 14:08:33,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33" (1/1) ... [2024-08-07 14:08:33,936 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33" (1/1) ... [2024-08-07 14:08:33,949 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-08-07 14:08:33,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33" (1/1) ... [2024-08-07 14:08:33,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33" (1/1) ... [2024-08-07 14:08:33,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33" (1/1) ... [2024-08-07 14:08:33,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33" (1/1) ... [2024-08-07 14:08:33,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33" (1/1) ... [2024-08-07 14:08:33,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-07 14:08:33,958 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-07 14:08:33,958 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-07 14:08:33,958 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-07 14:08:33,960 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33" (1/1) ... [2024-08-07 14:08:33,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-07 14:08:33,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-07 14:08:33,988 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) [2024-08-07 14:08:33,997 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 [2024-08-07 14:08:34,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-07 14:08:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-07 14:08:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-07 14:08:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-07 14:08:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-07 14:08:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-07 14:08:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-07 14:08:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-07 14:08:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-07 14:08:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-07 14:08:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-08-07 14:08:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-07 14:08:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-07 14:08:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-07 14:08:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-07 14:08:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-07 14:08:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-07 14:08:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-07 14:08:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-07 14:08:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-07 14:08:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-07 14:08:34,111 INFO L273 CfgBuilder]: Building ICFG [2024-08-07 14:08:34,114 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-07 14:08:34,230 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-08-07 14:08:34,231 INFO L327 CfgBuilder]: Performing block encoding [2024-08-07 14:08:34,239 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-07 14:08:34,239 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-07 14:08:34,240 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.08 02:08:34 BoogieIcfgContainer [2024-08-07 14:08:34,240 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-07 14:08:34,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-07 14:08:34,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-07 14:08:34,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-07 14:08:34,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 02:08:33" (1/4) ... [2024-08-07 14:08:34,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8ae59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 02:08:34, skipping insertion in model container [2024-08-07 14:08:34,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 07.08 02:08:33" (2/4) ... [2024-08-07 14:08:34,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8ae59a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 07.08 02:08:34, skipping insertion in model container [2024-08-07 14:08:34,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 07.08 02:08:33" (3/4) ... [2024-08-07 14:08:34,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8ae59a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 07.08 02:08:34, skipping insertion in model container [2024-08-07 14:08:34,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.08 02:08:34" (4/4) ... [2024-08-07 14:08:34,248 INFO L119 eAbstractionObserver]: Analyzing ICFG nec11.c [2024-08-07 14:08:34,249 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-07 14:08:34,264 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-07 14:08:34,264 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-07 14:08:34,296 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,297 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,297 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,297 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,301 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,301 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,302 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,302 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,303 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,303 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,303 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,304 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,305 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,305 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,306 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,306 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,306 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,307 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,307 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,307 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,308 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,308 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,309 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,309 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,309 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,310 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,310 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,310 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,311 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,311 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,312 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,312 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,313 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,314 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,314 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,314 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,314 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,315 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,315 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,315 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,327 INFO L90 WitnessUtils]: NestedWordAutomaton nwa = ( callAlphabet = {"call __VERIFIER_assert((if 5 == ~len~0 then 1 else 0));" "call #t~ret6 := main();" "call ULTIMATE.init();" }, internalAlphabet = {"#res := 1;" "SUMMARY for call __VERIFIER_assert((if 5 == ~len~0 then 1 else 0)); srcloc: L30-1" "~a~0 := ~a~0[~len~0 := 0];#t~post5 := ~len~0;~len~0 := 1 + #t~post5;havoc #t~post5;" "assume 4 == ~len~0;~len~0 := 0;" "assume !(4 == ~len~0);" "assume 0 != ~c~0 % 256;" "assume !(0 != ~c~0 % 256);" "assume true;" "assume !true;" "havoc ~a~0;~len~0 := 0;havoc #t~nondet4;~c~0 := #t~nondet4;havoc #t~nondet4;havoc ~i~0;" "assume true;" "assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(110, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(99, 2, 2, 1);call write~init~int#1(49, 2, 3, 1);call write~init~int#1(49, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3);" "assume true;" "SUMMARY for call #t~ret6 := main(); srcloc: L-1" "SUMMARY for call ULTIMATE.init(); srcloc: ULTIMATE.startENTRY" "assume true;" "assume false;" "assume false;" "assume !false;" "assume 0 == ~cond;" "assume !(0 == ~cond);" "~cond := #in~cond;" "assume true;" }, returnAlphabet = {"#26#return;" "#28#return;" "#30#return;" }, states = {"CountingPredicate [underlying: 8#Loop~0true, annotation: [0, 0]]" "CountingPredicate [underlying: 18#L26true, annotation: [0, 0]]" "CountingPredicate [underlying: 9#__VERIFIER_assertFINALtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 14#ULTIMATE.initEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 20#mainFINALtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 24#ERRORtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 19#mainEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 22#__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 3#ULTIMATE.initENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 6#mainENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 10#L-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 5#L23true, annotation: [0, 0]]" "CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 15#__VERIFIER_assertENTRYtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 7#L21true, annotation: [0, 0]]" "CountingPredicate [underlying: 12#L7true, annotation: [1, 0]]" "CountingPredicate [underlying: 16#__VERIFIER_assertEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 13#ULTIMATE.initFINALtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 11#L6true, annotation: [1, 0]]" "CountingPredicate [underlying: 21#L30true, annotation: [1, 0]]" "CountingPredicate [underlying: 23#ULTIMATE.startFINALtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 17#L30-1true, annotation: [1, 0]]" }, initialStates = {"CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" }, finalStates = {}, callTransitions = { ("CountingPredicate [underlying: 10#L-1true, annotation: [0, 0]]" "call #t~ret6 := main();" "CountingPredicate [underlying: 6#mainENTRYtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "call ULTIMATE.init();" "CountingPredicate [underlying: 3#ULTIMATE.initENTRYtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 17#L30-1true, annotation: [1, 0]]" "call __VERIFIER_assert((if 5 == ~len~0 then 1 else 0));" "CountingPredicate [underlying: 15#__VERIFIER_assertENTRYtrue, annotation: [1, 0]]") }, internalTransitions = { ("CountingPredicate [underlying: 8#Loop~0true, annotation: [0, 0]]" "assume 0 != ~c~0 % 256;" "CountingPredicate [underlying: 5#L23true, annotation: [0, 0]]") ("CountingPredicate [underlying: 8#Loop~0true, annotation: [0, 0]]" "assume !(0 != ~c~0 % 256);" "CountingPredicate [underlying: 17#L30-1true, annotation: [1, 0]]") ("CountingPredicate [underlying: 18#L26true, annotation: [0, 0]]" "~a~0 := ~a~0[~len~0 := 0];#t~post5 := ~len~0;~len~0 := 1 + #t~post5;havoc #t~post5;" "CountingPredicate [underlying: 7#L21true, annotation: [0, 0]]") ("CountingPredicate [underlying: 9#__VERIFIER_assertFINALtrue, annotation: [1, 0]]" "assume true;" "CountingPredicate [underlying: 16#__VERIFIER_assertEXITtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 20#mainFINALtrue, annotation: [1, 0]]" "assume true;" "CountingPredicate [underlying: 19#mainEXITtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 24#ERRORtrue, annotation: [1, 0]]" "assume false;" "CountingPredicate [underlying: 12#L7true, annotation: [1, 0]]") ("CountingPredicate [underlying: 24#ERRORtrue, annotation: [1, 0]]" "assume !false;" "CountingPredicate [underlying: 22#__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 3#ULTIMATE.initENTRYtrue, annotation: [0, 0]]" "assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(110, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(99, 2, 2, 1);call write~init~int#1(49, 2, 3, 1);call write~init~int#1(49, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3);" "CountingPredicate [underlying: 13#ULTIMATE.initFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#mainENTRYtrue, annotation: [0, 0]]" "havoc ~a~0;~len~0 := 0;havoc #t~nondet4;~c~0 := #t~nondet4;havoc #t~nondet4;havoc ~i~0;" "CountingPredicate [underlying: 7#L21true, annotation: [0, 0]]") ("CountingPredicate [underlying: 5#L23true, annotation: [0, 0]]" "assume 4 == ~len~0;~len~0 := 0;" "CountingPredicate [underlying: 18#L26true, annotation: [0, 0]]") ("CountingPredicate [underlying: 5#L23true, annotation: [0, 0]]" "assume !(4 == ~len~0);" "CountingPredicate [underlying: 18#L26true, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#__VERIFIER_assertENTRYtrue, annotation: [1, 0]]" "~cond := #in~cond;" "CountingPredicate [underlying: 11#L6true, annotation: [1, 0]]") ("CountingPredicate [underlying: 7#L21true, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 8#Loop~0true, annotation: [0, 0]]") ("CountingPredicate [underlying: 7#L21true, annotation: [0, 0]]" "assume !true;" "CountingPredicate [underlying: 17#L30-1true, annotation: [1, 0]]") ("CountingPredicate [underlying: 12#L7true, annotation: [1, 0]]" "assume false;" "CountingPredicate [underlying: 9#__VERIFIER_assertFINALtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 13#ULTIMATE.initFINALtrue, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 14#ULTIMATE.initEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 11#L6true, annotation: [1, 0]]" "assume 0 == ~cond;" "CountingPredicate [underlying: 24#ERRORtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 11#L6true, annotation: [1, 0]]" "assume !(0 == ~cond);" "CountingPredicate [underlying: 9#__VERIFIER_assertFINALtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 21#L30true, annotation: [1, 0]]" "#res := 1;" "CountingPredicate [underlying: 20#mainFINALtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 23#ULTIMATE.startFINALtrue, annotation: [1, 0]]" "assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [1, 0]]") }, returnTransitions = { ("CountingPredicate [underlying: 14#ULTIMATE.initEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 4#ULTIMATE.startENTRYtrue, annotation: [0, 0]]" "#30#return;" "CountingPredicate [underlying: 10#L-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 19#mainEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 10#L-1true, annotation: [0, 0]]" "#28#return;" "CountingPredicate [underlying: 23#ULTIMATE.startFINALtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 16#__VERIFIER_assertEXITtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 17#L30-1true, annotation: [1, 0]]" "#26#return;" "CountingPredicate [underlying: 21#L30true, annotation: [1, 0]]") } ); [2024-08-07 14:08:34,331 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 23 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 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) [2024-08-07 14:08:34,332 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,332 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,332 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,333 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,333 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,334 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,334 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,334 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,335 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,335 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,335 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,335 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,336 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,336 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,336 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,336 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,337 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,337 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,337 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,337 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,338 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,340 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,340 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,340 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,340 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,341 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,341 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,341 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,357 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,358 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,358 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,358 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,358 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,358 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,359 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,359 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,360 WARN L283 nessProductAutomaton]: assume 0 != ~c~0 % 256;, isNegated false [2024-08-07 14:08:34,360 WARN L283 nessProductAutomaton]: assume !(0 != ~c~0 % 256);, isNegated true [2024-08-07 14:08:34,360 WARN L283 nessProductAutomaton]: assume true;, isNegated false [2024-08-07 14:08:34,360 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-07 14:08:34,365 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 23 states to 0 states. [2024-08-07 14:08:34,382 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-07 14:08:34,388 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;@292d9eb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-07 14:08:34,388 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-07 14:08:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-07 14:08:34,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-07 14:08:34,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-07 14:08:34,396 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-07 14:08:34,398 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-07 14:08:34,400 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 02:08:34 BoogieIcfgContainer [2024-08-07 14:08:34,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-07 14:08:34,402 INFO L158 Benchmark]: Toolchain (without parser) took 673.65ms. Allocated memory is still 104.9MB. Free memory was 84.8MB in the beginning and 79.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-08-07 14:08:34,402 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 40.5MB in the beginning and 40.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 14:08:34,403 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 14:08:34,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.87ms. Allocated memory is still 104.9MB. Free memory was 84.8MB in the beginning and 73.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-07 14:08:34,404 INFO L158 Benchmark]: Boogie Preprocessor took 34.58ms. Allocated memory is still 104.9MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-07 14:08:34,404 INFO L158 Benchmark]: IcfgBuilder took 282.66ms. Allocated memory is still 104.9MB. Free memory was 71.6MB in the beginning and 60.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-07 14:08:34,405 INFO L158 Benchmark]: TraceAbstraction took 158.89ms. Allocated memory is still 104.9MB. Free memory was 59.4MB in the beginning and 79.7MB in the end (delta: -20.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-07 14:08:34,407 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 58.7MB. Free memory was 40.5MB in the beginning and 40.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.87ms. Allocated memory is still 104.9MB. Free memory was 84.8MB in the beginning and 73.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.58ms. Allocated memory is still 104.9MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 282.66ms. Allocated memory is still 104.9MB. Free memory was 71.6MB in the beginning and 60.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 158.89ms. Allocated memory is still 104.9MB. Free memory was 59.4MB in the beginning and 79.7MB in the end (delta: -20.2MB). 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 - PositiveResult [Line: 7]: 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, 26 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! [2024-08-07 14:08:34,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE