./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:34:32,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:34:32,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:34:32,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:34:32,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:34:32,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:34:32,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:34:32,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:34:32,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:34:32,855 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:34:32,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:34:32,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:34:32,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:34:32,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:34:32,857 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:34:32,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:34:32,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:34:32,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:34:32,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:34:32,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:34:32,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:34:32,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:34:32,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:34:32,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:34:32,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:34:32,862 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:34:32,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:34:32,862 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:34:32,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:34:32,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:34:32,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:34:32,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:34:32,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:34:32,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:34:32,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:34:32,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:34:32,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:34:32,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:34:32,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:34:32,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:34:32,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:34:32,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:34:32,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:34:32,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:34:33,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:34:33,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:34:33,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:34:33,158 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:34:33,159 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:34:33,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2024-08-14 14:34:34,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:34:34,790 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:34:34,791 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2024-08-14 14:34:34,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87d7076dd/520f21580ceb467d89193f3bf03c8ef5/FLAGb6ac9a74d [2024-08-14 14:34:35,193 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87d7076dd/520f21580ceb467d89193f3bf03c8ef5 [2024-08-14 14:34:35,197 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:34:35,199 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:34:35,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1.yml/witness.yml [2024-08-14 14:34:35,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:34:35,269 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:34:35,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:34:35,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:34:35,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:34:35,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:34:35" (1/2) ... [2024-08-14 14:34:35,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75234f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:35, skipping insertion in model container [2024-08-14 14:34:35,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:34:35" (1/2) ... [2024-08-14 14:34:35,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d43a8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:34:35, skipping insertion in model container [2024-08-14 14:34:35,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:34:35" (2/2) ... [2024-08-14 14:34:35,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75234f56 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:34:35, skipping insertion in model container [2024-08-14 14:34:35,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:34:35" (2/2) ... [2024-08-14 14:34:35,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:34:35,462 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c[642,655] [2024-08-14 14:34:35,523 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:34:35,539 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:34:35,550 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c[642,655] [2024-08-14 14:34:35,577 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:34:35,602 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:34:35,603 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:34:35 WrapperNode [2024-08-14 14:34:35,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:34:35,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:34:35,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:34:35,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:34:35,618 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 02:34:35" (1/1) ... [2024-08-14 14:34:35,619 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 02:34:35" (1/1) ... [2024-08-14 14:34:35,634 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 02:34:35" (1/1) ... [2024-08-14 14:34:35,650 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 14:34:35,650 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 02:34:35" (1/1) ... [2024-08-14 14:34:35,651 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 02:34:35" (1/1) ... [2024-08-14 14:34:35,656 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 02:34:35" (1/1) ... [2024-08-14 14:34:35,658 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 02:34:35" (1/1) ... [2024-08-14 14:34:35,659 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 02:34:35" (1/1) ... [2024-08-14 14:34:35,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:34:35,663 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:34:35,663 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:34:35,663 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:34:35,664 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 02:34:35" (1/1) ... [2024-08-14 14:34:35,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:34:35,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:34:35,694 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 14:34:35,696 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 14:34:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:34:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:34:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:34:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-08-14 14:34:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:34:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:34:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:34:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:34:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:34:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2024-08-14 14:34:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-08-14 14:34:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2024-08-14 14:34:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2024-08-14 14:34:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2024-08-14 14:34:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2024-08-14 14:34:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:34:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:34:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:34:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:34:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:34:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:34:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-08-14 14:34:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:34:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:34:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:34:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:34:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:34:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2024-08-14 14:34:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-08-14 14:34:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2024-08-14 14:34:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2024-08-14 14:34:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2024-08-14 14:34:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2024-08-14 14:34:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:34:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:34:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:34:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:34:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:34:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:34:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:34:35,831 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:34:35,834 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:34:36,131 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-08-14 14:34:36,132 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:34:36,147 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:34:36,149 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:34:36,149 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:34:36 BoogieIcfgContainer [2024-08-14 14:34:36,149 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:34:36,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:34:36,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:34:36,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:34:36,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:34:35" (1/4) ... [2024-08-14 14:34:36,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4fbe91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:34:36, skipping insertion in model container [2024-08-14 14:34:36,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:34:35" (2/4) ... [2024-08-14 14:34:36,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4fbe91 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:34:36, skipping insertion in model container [2024-08-14 14:34:36,158 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 02:34:35" (3/4) ... [2024-08-14 14:34:36,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4fbe91 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:34:36, skipping insertion in model container [2024-08-14 14:34:36,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:34:36" (4/4) ... [2024-08-14 14:34:36,161 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1.c [2024-08-14 14:34:36,161 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:34:36,183 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:34:36,184 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:34:36,219 INFO L92 WitnessUtils]: Constructing product of automaton with 115 states and violation witness of the following lengths: [16] [2024-08-14 14:34:36,227 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 115 states, 81 states have (on average 1.4197530864197532) internal successors, (115), 88 states have internal predecessors, (115), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-08-14 14:34:36,401 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 327 states to 0 states. [2024-08-14 14:34:36,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:34:36,432 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;@6ff6074f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:34:36,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:34:36,434 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:34:36,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:34:36,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:34:36,444 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:34:36,447 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:34:36,450 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:34:36 BoogieIcfgContainer [2024-08-14 14:34:36,450 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:34:36,451 INFO L158 Benchmark]: Toolchain (without parser) took 1182.13ms. Allocated memory is still 172.0MB. Free memory was 140.7MB in the beginning and 97.8MB in the end (delta: 42.9MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2024-08-14 14:34:36,452 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:34:36,452 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:34:36,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.76ms. Allocated memory is still 172.0MB. Free memory was 140.7MB in the beginning and 127.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-14 14:34:36,454 INFO L158 Benchmark]: Boogie Preprocessor took 58.13ms. Allocated memory is still 172.0MB. Free memory was 127.0MB in the beginning and 125.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:34:36,455 INFO L158 Benchmark]: IcfgBuilder took 486.23ms. Allocated memory is still 172.0MB. Free memory was 125.0MB in the beginning and 130.3MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-14 14:34:36,456 INFO L158 Benchmark]: TraceAbstraction took 297.61ms. Allocated memory is still 172.0MB. Free memory was 129.3MB in the beginning and 97.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-08-14 14:34:36,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.76ms. Allocated memory is still 172.0MB. Free memory was 140.7MB in the beginning and 127.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.13ms. Allocated memory is still 172.0MB. Free memory was 127.0MB in the beginning and 125.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 486.23ms. Allocated memory is still 172.0MB. Free memory was 125.0MB in the beginning and 130.3MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 297.61ms. Allocated memory is still 172.0MB. Free memory was 129.3MB in the beginning and 97.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. 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: 19]: 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 16 procedures, 118 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 14:34:36,492 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