./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound5.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/prod4br-ll_unwindbound5.yml/witness.yml -tc ../../../trunk/examples/toolchains/AutomizerC_IcfgBuilder.xml -s ../../../trunk/examples/settings/svcomp-Reach-32bit-Automizer_IcfgBuilder.epf --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bf1304be 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_unwindbound5.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/prod4br-ll_unwindbound5.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 -tc ../../../trunk/examples/toolchains/AutomizerC_IcfgBuilder.xml -s ../../../trunk/examples/settings/svcomp-Reach-32bit-Automizer_IcfgBuilder.epf --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-bf1304b-m [2024-08-06 17:20:38,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-06 17:20:38,818 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-06 17:20:38,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-06 17:20:38,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-06 17:20:38,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-06 17:20:38,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-06 17:20:38,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-06 17:20:38,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-06 17:20:38,854 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-06 17:20:38,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-06 17:20:38,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-06 17:20:38,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-06 17:20:38,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-06 17:20:38,857 INFO L153 SettingsManager]: * Use SBE=true [2024-08-06 17:20:38,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-06 17:20:38,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-06 17:20:38,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-06 17:20:38,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-06 17:20:38,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-06 17:20:38,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-06 17:20:38,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-06 17:20:38,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-06 17:20:38,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-06 17:20:38,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-06 17:20:38,861 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-06 17:20:38,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-06 17:20:38,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-06 17:20:38,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-06 17:20:38,862 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-06 17:20:38,862 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-06 17:20:38,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-06 17:20:38,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:20:38,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-06 17:20:38,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-06 17:20:38,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-06 17:20:38,864 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-06 17:20:38,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-06 17:20:38,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-06 17:20:38,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-06 17:20:38,865 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-06 17:20:38,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-06 17:20:38,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-06 17:20:38,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-06 17:20:39,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-06 17:20:39,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-06 17:20:39,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-06 17:20:39,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-06 17:20:39,129 INFO L274 PluginConnector]: CDTParser initialized [2024-08-06 17:20:39,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2024-08-06 17:20:40,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-06 17:20:40,751 INFO L384 CDTParser]: Found 1 translation units. [2024-08-06 17:20:40,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2024-08-06 17:20:40,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f31da5e/46e4d9656821486cb34ee131255ca725/FLAG7fb87a7c8 [2024-08-06 17:20:40,776 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f31da5e/46e4d9656821486cb34ee131255ca725 [2024-08-06 17:20:40,779 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-06 17:20:40,780 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-06 17:20:40,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/prod4br-ll_unwindbound5.yml/witness.yml [2024-08-06 17:20:40,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-06 17:20:40,888 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-06 17:20:40,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-06 17:20:40,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-06 17:20:40,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-06 17:20:40,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:20:40" (1/2) ... [2024-08-06 17:20:40,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32407871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:20:40, skipping insertion in model container [2024-08-06 17:20:40,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:20:40" (1/2) ... [2024-08-06 17:20:40,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66f79786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:20:40, skipping insertion in model container [2024-08-06 17:20:40,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:20:40" (2/2) ... [2024-08-06 17:20:40,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32407871 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:40, skipping insertion in model container [2024-08-06 17:20:40,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:20:40" (2/2) ... [2024-08-06 17:20:40,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-06 17:20:41,059 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_unwindbound5.c[524,537] [2024-08-06 17:20:41,082 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:20:41,089 INFO L200 MainTranslator]: Completed pre-run [2024-08-06 17:20:41,098 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_unwindbound5.c[524,537] [2024-08-06 17:20:41,107 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:20:41,120 INFO L204 MainTranslator]: Completed translation [2024-08-06 17:20:41,120 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41 WrapperNode [2024-08-06 17:20:41,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-06 17:20:41,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-06 17:20:41,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-06 17:20:41,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-06 17:20:41,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,154 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-08-06 17:20:41,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-06 17:20:41,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-06 17:20:41,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-06 17:20:41,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-06 17:20:41,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,170 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,188 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]. [2024-08-06 17:20:41,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-06 17:20:41,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-06 17:20:41,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-06 17:20:41,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-06 17:20:41,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (1/1) ... [2024-08-06 17:20:41,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:20:41,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-06 17:20:41,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-08-06 17:20:41,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-08-06 17:20:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-06 17:20:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-06 17:20:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-06 17:20:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-06 17:20:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-06 17:20:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-06 17:20:41,390 INFO L244 CfgBuilder]: Building ICFG [2024-08-06 17:20:41,393 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-06 17:20:41,581 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-08-06 17:20:41,581 INFO L293 CfgBuilder]: Performing block encoding [2024-08-06 17:20:41,598 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-06 17:20:41,603 INFO L320 CfgBuilder]: Removed 1 assume(true) statements. [2024-08-06 17:20:41,604 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:20:41 BoogieIcfgContainer [2024-08-06 17:20:41,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-06 17:20:41,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-06 17:20:41,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-06 17:20:41,610 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-06 17:20:41,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.08 05:20:40" (1/4) ... [2024-08-06 17:20:41,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de40cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:20:41, skipping insertion in model container [2024-08-06 17:20:41,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:20:40" (2/4) ... [2024-08-06 17:20:41,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de40cf7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 06.08 05:20:41, skipping insertion in model container [2024-08-06 17:20:41,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:20:41" (3/4) ... [2024-08-06 17:20:41,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de40cf7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 06.08 05:20:41, skipping insertion in model container [2024-08-06 17:20:41,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:20:41" (4/4) ... [2024-08-06 17:20:41,614 INFO L119 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound5.c [2024-08-06 17:20:41,615 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-06 17:20:41,632 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-06 17:20:41,633 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-06 17:20:41,681 INFO L90 WitnessUtils]: NestedWordAutomaton nwa = ( callAlphabet = {"call __VERIFIER_assert((if main_~q~0#1 == main_~x~0#1 * main_~y~0#1 then 1 else 0));" "call __VERIFIER_assert((if 0 == main_~a~0#1 * main_~b~0#1 then 1 else 0));" "call __VERIFIER_assert((if main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1 then 1 else 0));" }, internalAlphabet = {"assume 0 == assume_abort_if_not_~cond#1;assume false;" "assume { :begin_inline_ULTIMATE.init } 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(13, 2);call #Ultimate.allocInit(12, 3);~counter~0 := 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~y~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if main_~y~0#1 >= 1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "assume !(0 == assume_abort_if_not_~cond#1);" "main_#res#1 := 0;#t~ret7#1 := main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;assume { :end_inline_main } true;assume true;" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;" "main_#t~post6#1 := ~counter~0;~counter~0 := 1 + main_#t~post6#1;" "assume main_#t~post6#1 < 5;havoc main_#t~post6#1;" "assume !(main_#t~post6#1 < 5);havoc main_#t~post6#1;" "SUMMARY for call __VERIFIER_assert((if main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1 then 1 else 0)); srcloc: L33-2" "assume !(0 != main_~a~0#1 && 0 != main_~b~0#1);" "assume !!(0 != main_~a~0#1 && 0 != main_~b~0#1);" "assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1;" "assume !(0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2));" "assume 1 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := main_~a~0#1 - 1;main_~q~0#1 := main_~q~0#1 + main_~b~0#1 * main_~p~0#1;" "assume !(1 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2));" "assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 1 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~b~0#1 := main_~b~0#1 - 1;main_~q~0#1 := main_~q~0#1 + main_~a~0#1 * main_~p~0#1;" "assume !(0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 1 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2));main_~a~0#1 := main_~a~0#1 - 1;main_~b~0#1 := main_~b~0#1 - 1;main_~q~0#1 := main_~q~0#1 + (1 + (main_~a~0#1 + main_~b~0#1)) * main_~p~0#1;" "assume !true;" "SUMMARY for call __VERIFIER_assert((if main_~q~0#1 == main_~x~0#1 * main_~y~0#1 then 1 else 0)); srcloc: L33-4" "SUMMARY for call __VERIFIER_assert((if 0 == main_~a~0#1 * main_~b~0#1 then 1 else 0)); srcloc: L56" "~cond := #in~cond;" "assume 0 == ~cond;" "assume !false;" "assume false;" "assume !(0 == ~cond);" "assume true;" }, returnAlphabet = {"#64#return;" "#66#return;" "#68#return;" }, states = {"CountingPredicate [underlying: 8#L33-4true, annotation: [0, 0]]" "CountingPredicate [underlying: 9#L33-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 18#L46true, annotation: [0, 0]]" "CountingPredicate [underlying: 14#$Ultimate##0true, annotation: [0, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 20#__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 16#L34true, annotation: [0, 0]]" "CountingPredicate [underlying: 3#L56true, annotation: [0, 0]]" "CountingPredicate [underlying: 6#L43true, annotation: [0, 0]]" "CountingPredicate [underlying: 10#L12-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 17#$Ultimate##0true, annotation: [0, 0]]" "CountingPredicate [underlying: 5#L12true, annotation: [0, 0]]" "CountingPredicate [underlying: 4#L33-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 15#__VERIFIER_assertEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 7#L46-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 12#L13true, annotation: [0, 0]]" "CountingPredicate [underlying: 13#L9true, annotation: [0, 0]]" "CountingPredicate [underlying: 11#L8true, annotation: [0, 0]]" "CountingPredicate [underlying: 21#L39true, annotation: [0, 0]]" "CountingPredicate [underlying: 19#L57true, annotation: [0, 0]]" }, initialStates = {"CountingPredicate [underlying: 17#$Ultimate##0true, annotation: [0, 0]]" }, finalStates = {}, callTransitions = { ("CountingPredicate [underlying: 8#L33-4true, annotation: [0, 0]]" "call __VERIFIER_assert((if main_~q~0#1 == main_~x~0#1 * main_~y~0#1 then 1 else 0));" "CountingPredicate [underlying: 14#$Ultimate##0true, annotation: [0, 0]]") ("CountingPredicate [underlying: 9#L33-2true, annotation: [0, 0]]" "call __VERIFIER_assert((if main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1 then 1 else 0));" "CountingPredicate [underlying: 14#$Ultimate##0true, annotation: [0, 0]]") ("CountingPredicate [underlying: 3#L56true, annotation: [0, 0]]" "call __VERIFIER_assert((if 0 == main_~a~0#1 * main_~b~0#1 then 1 else 0));" "CountingPredicate [underlying: 14#$Ultimate##0true, annotation: [0, 0]]") }, internalTransitions = { ("CountingPredicate [underlying: 18#L46true, annotation: [0, 0]]" "assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 1 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~b~0#1 := main_~b~0#1 - 1;main_~q~0#1 := main_~q~0#1 + main_~a~0#1 * main_~p~0#1;" "CountingPredicate [underlying: 7#L46-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 18#L46true, annotation: [0, 0]]" "assume !(0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 1 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2));main_~a~0#1 := main_~a~0#1 - 1;main_~b~0#1 := main_~b~0#1 - 1;main_~q~0#1 := main_~q~0#1 + (1 + (main_~a~0#1 + main_~b~0#1)) * main_~p~0#1;" "CountingPredicate [underlying: 7#L46-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 14#$Ultimate##0true, annotation: [0, 0]]" "~cond := #in~cond;" "CountingPredicate [underlying: 5#L12true, annotation: [0, 0]]") ("CountingPredicate [underlying: 16#L34true, annotation: [0, 0]]" "assume !(0 != main_~a~0#1 && 0 != main_~b~0#1);" "CountingPredicate [underlying: 8#L33-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 16#L34true, annotation: [0, 0]]" "assume !!(0 != main_~a~0#1 && 0 != main_~b~0#1);" "CountingPredicate [underlying: 21#L39true, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#L43true, annotation: [0, 0]]" "assume 1 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := main_~a~0#1 - 1;main_~q~0#1 := main_~q~0#1 + main_~b~0#1 * main_~p~0#1;" "CountingPredicate [underlying: 7#L46-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#L43true, annotation: [0, 0]]" "assume !(1 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2));" "CountingPredicate [underlying: 18#L46true, annotation: [0, 0]]") ("CountingPredicate [underlying: 10#L12-2true, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 15#__VERIFIER_assertEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 17#$Ultimate##0true, annotation: [0, 0]]" "assume { :begin_inline_ULTIMATE.init } 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(13, 2);call #Ultimate.allocInit(12, 3);~counter~0 := 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~y~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if main_~y~0#1 >= 1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "CountingPredicate [underlying: 13#L9true, annotation: [0, 0]]") ("CountingPredicate [underlying: 5#L12true, annotation: [0, 0]]" "assume 0 == ~cond;" "CountingPredicate [underlying: 12#L13true, annotation: [0, 0]]") ("CountingPredicate [underlying: 5#L12true, annotation: [0, 0]]" "assume !(0 == ~cond);" "CountingPredicate [underlying: 10#L12-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 4#L33-1true, annotation: [0, 0]]" "assume main_#t~post6#1 < 5;havoc main_#t~post6#1;" "CountingPredicate [underlying: 9#L33-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 4#L33-1true, annotation: [0, 0]]" "assume !(main_#t~post6#1 < 5);havoc main_#t~post6#1;" "CountingPredicate [underlying: 8#L33-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 7#L46-2true, annotation: [0, 0]]" "main_#t~post6#1 := ~counter~0;~counter~0 := 1 + main_#t~post6#1;" "CountingPredicate [underlying: 4#L33-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 7#L46-2true, annotation: [0, 0]]" "assume !true;" "CountingPredicate [underlying: 8#L33-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 12#L13true, annotation: [0, 0]]" "assume !false;" "CountingPredicate [underlying: 20#__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 12#L13true, annotation: [0, 0]]" "assume false;" "CountingPredicate [underlying: 10#L12-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 13#L9true, annotation: [0, 0]]" "assume 0 == assume_abort_if_not_~cond#1;assume false;" "CountingPredicate [underlying: 11#L8true, annotation: [0, 0]]") ("CountingPredicate [underlying: 13#L9true, annotation: [0, 0]]" "assume !(0 == assume_abort_if_not_~cond#1);" "CountingPredicate [underlying: 11#L8true, annotation: [0, 0]]") ("CountingPredicate [underlying: 11#L8true, annotation: [0, 0]]" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;" "CountingPredicate [underlying: 7#L46-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 21#L39true, annotation: [0, 0]]" "assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1;" "CountingPredicate [underlying: 7#L46-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 21#L39true, annotation: [0, 0]]" "assume !(0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2));" "CountingPredicate [underlying: 6#L43true, annotation: [0, 0]]") ("CountingPredicate [underlying: 19#L57true, annotation: [0, 0]]" "main_#res#1 := 0;#t~ret7#1 := main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;assume { :end_inline_main } true;assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [0, 0]]") }, returnTransitions = { ("CountingPredicate [underlying: 15#__VERIFIER_assertEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 8#L33-4true, annotation: [0, 0]]" "#66#return;" "CountingPredicate [underlying: 3#L56true, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#__VERIFIER_assertEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 9#L33-2true, annotation: [0, 0]]" "#64#return;" "CountingPredicate [underlying: 16#L34true, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#__VERIFIER_assertEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 3#L56true, annotation: [0, 0]]" "#68#return;" "CountingPredicate [underlying: 19#L57true, annotation: [0, 0]]") } ); [2024-08-06 17:20:41,684 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 20 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-06 17:20:41,693 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 20 states to 0 states. [2024-08-06 17:20:41,710 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-06 17:20:41,717 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;@484a51e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-06 17:20:41,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-06 17:20:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-06 17:20:41,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-06 17:20:41,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-06 17:20:41,726 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-06 17:20:41,729 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-06 17:20:41,732 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 05:20:41 BoogieIcfgContainer [2024-08-06 17:20:41,734 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-06 17:20:41,735 INFO L158 Benchmark]: Toolchain (without parser) took 847.10ms. Allocated memory is still 184.5MB. Free memory was 111.2MB in the beginning and 137.4MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:20:41,735 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:20:41,736 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:20:41,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.20ms. Allocated memory is still 184.5MB. Free memory was 111.2MB in the beginning and 99.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-06 17:20:41,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.43ms. Allocated memory is still 184.5MB. Free memory was 99.2MB in the beginning and 97.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:20:41,737 INFO L158 Benchmark]: Boogie Preprocessor took 51.01ms. Allocated memory is still 184.5MB. Free memory was 97.4MB in the beginning and 95.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-06 17:20:41,737 INFO L158 Benchmark]: RCFGBuilder took 397.04ms. Allocated memory is still 184.5MB. Free memory was 95.7MB in the beginning and 146.3MB in the end (delta: -50.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-08-06 17:20:41,738 INFO L158 Benchmark]: TraceAbstraction took 128.81ms. Allocated memory is still 184.5MB. Free memory was 145.7MB in the beginning and 137.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-06 17:20:41,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.20ms. Allocated memory is still 184.5MB. Free memory was 111.2MB in the beginning and 99.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.43ms. Allocated memory is still 184.5MB. Free memory was 99.2MB in the beginning and 97.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.01ms. Allocated memory is still 184.5MB. Free memory was 97.4MB in the beginning and 95.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.04ms. Allocated memory is still 184.5MB. Free memory was 95.7MB in the beginning and 146.3MB in the end (delta: -50.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * TraceAbstraction took 128.81ms. Allocated memory is still 184.5MB. Free memory was 145.7MB in the beginning and 137.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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 2 procedures, 20 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: 0.0s, 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! [2024-08-06 17:20:41,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE