./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/prod4br-ll_unwindbound20.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/nla-digbench-scaling/prod4br-ll_unwindbound20.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/prod4br-ll_unwindbound20.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 14:32:04,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:32:04,339 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:32:04,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:32:04,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:32:04,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:32:04,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:32:04,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:32:04,359 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:32:04,360 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:32:04,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:32:04,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:32:04,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:32:04,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:32:04,362 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:32:04,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:32:04,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:32:04,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:32:04,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:32:04,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:32:04,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:32:04,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:32:04,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:32:04,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:32:04,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:32:04,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:32:04,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:32:04,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:32:04,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:32:04,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:32:04,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:32:04,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:32:04,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:32:04,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:32:04,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:32:04,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:32:04,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:32:04,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:32:04,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:32:04,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:32:04,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:32:04,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:32:04,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:32:04,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:32:04,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:32:04,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:32:04,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:32:04,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:32:04,611 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:32:04,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c [2024-08-14 14:32:05,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:32:06,093 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:32:06,094 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c [2024-08-14 14:32:06,100 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/387ea1e91/e9638d3fcc344976bea4b9ea373a76a7/FLAG4d3287dde [2024-08-14 14:32:06,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/387ea1e91/e9638d3fcc344976bea4b9ea373a76a7 [2024-08-14 14:32:06,506 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:32:06,507 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:32:06,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/prod4br-ll_unwindbound20.yml/witness.yml [2024-08-14 14:32:06,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:32:06,716 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:32:06,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:32:06,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:32:06,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:32:06,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:32:06" (1/2) ... [2024-08-14 14:32:06,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b37141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:32:06, skipping insertion in model container [2024-08-14 14:32:06,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:32:06" (1/2) ... [2024-08-14 14:32:06,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c6c5562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:32:06, skipping insertion in model container [2024-08-14 14:32:06,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:32:06" (2/2) ... [2024-08-14 14:32:06,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b37141 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:06, skipping insertion in model container [2024-08-14 14:32:06,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:32:06" (2/2) ... [2024-08-14 14:32:06,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:32:06,970 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c[524,537] [2024-08-14 14:32:07,007 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:32:07,020 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:32:07,036 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound20.c[524,537] [2024-08-14 14:32:07,049 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:32:07,065 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:32:07,065 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07 WrapperNode [2024-08-14 14:32:07,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:32:07,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:32:07,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:32:07,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:32:07,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ... [2024-08-14 14:32:07,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ... [2024-08-14 14:32:07,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ... [2024-08-14 14:32:07,118 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:32:07,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ... [2024-08-14 14:32:07,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ... [2024-08-14 14:32:07,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ... [2024-08-14 14:32:07,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ... [2024-08-14 14:32:07,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ... [2024-08-14 14:32:07,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:32:07,133 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:32:07,133 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:32:07,133 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:32:07,133 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (1/1) ... [2024-08-14 14:32:07,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:32:07,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:32:07,186 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 14:32:07,190 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 14:32:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:32:07,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:32:07,256 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:32:07,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:32:07,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:32:07,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:32:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:32:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:32:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:32:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:32:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:32:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:32:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:32:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:32:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:32:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:32:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:32:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:32:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:32:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:32:07,360 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:32:07,362 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:32:07,618 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-08-14 14:32:07,619 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:32:07,626 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:32:07,629 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:32:07,631 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:32:07 BoogieIcfgContainer [2024-08-14 14:32:07,631 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:32:07,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:32:07,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:32:07,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:32:07,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:32:06" (1/4) ... [2024-08-14 14:32:07,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1b8c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:32:07, skipping insertion in model container [2024-08-14 14:32:07,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:32:06" (2/4) ... [2024-08-14 14:32:07,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1b8c1d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:32:07, skipping insertion in model container [2024-08-14 14:32:07,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:32:07" (3/4) ... [2024-08-14 14:32:07,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1b8c1d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:32:07, skipping insertion in model container [2024-08-14 14:32:07,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:32:07" (4/4) ... [2024-08-14 14:32:07,641 INFO L119 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound20.c [2024-08-14 14:32:07,642 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:32:07,661 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:32:07,662 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:32:07,706 INFO L92 WitnessUtils]: Constructing product of automaton with 33 states and violation witness of the following lengths: [127] [2024-08-14 14:32:07,709 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 33 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-08-14 14:32:07,870 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2030 states to 0 states. [2024-08-14 14:32:07,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:32:07,888 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;@55a9958e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:32:07,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:32:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:32:07,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:32:07,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:32:07,895 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:32:07,896 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:32:07,898 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:32:07 BoogieIcfgContainer [2024-08-14 14:32:07,898 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:32:07,899 INFO L158 Benchmark]: Toolchain (without parser) took 1183.01ms. Allocated memory is still 161.5MB. Free memory was 85.9MB in the beginning and 59.7MB in the end (delta: 26.2MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-08-14 14:32:07,899 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 161.5MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:32:07,900 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:32:07,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.86ms. Allocated memory is still 161.5MB. Free memory was 85.8MB in the beginning and 127.7MB in the end (delta: -42.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-08-14 14:32:07,900 INFO L158 Benchmark]: Boogie Preprocessor took 65.99ms. Allocated memory is still 161.5MB. Free memory was 127.7MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:32:07,901 INFO L158 Benchmark]: IcfgBuilder took 498.75ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 111.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-14 14:32:07,901 INFO L158 Benchmark]: TraceAbstraction took 265.07ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 59.7MB in the end (delta: 51.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-08-14 14:32:07,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 161.5MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.86ms. Allocated memory is still 161.5MB. Free memory was 85.8MB in the beginning and 127.7MB in the end (delta: -42.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.99ms. Allocated memory is still 161.5MB. Free memory was 127.7MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 498.75ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 111.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 265.07ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 59.7MB in the end (delta: 51.2MB). Peak memory consumption was 52.4MB. 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: 14]: 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 6 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, 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 14:32:07,930 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