./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.11.cil-2.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/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.11.cil-2.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 14:16:00,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:16:00,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:16:00,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:16:00,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:16:00,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:16:00,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:16:00,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:16:00,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:16:00,863 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:16:00,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:16:00,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:16:00,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:16:00,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:16:00,865 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:16:00,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:16:00,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:16:00,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:16:00,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:16:00,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:16:00,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:16:00,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:16:00,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:16:00,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:16:00,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:16:00,870 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:16:00,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:16:00,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:16:00,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:16:00,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:16:00,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:16:00,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:16:00,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:16:00,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:16:00,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:16:00,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:16:00,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:16:00,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:16:00,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:16:00,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:16:00,876 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:16:00,876 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:16:00,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:16:00,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:16:01,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:16:01,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:16:01,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:16:01,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:16:01,172 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:16:01,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c [2024-08-14 14:16:02,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:16:02,987 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:16:02,988 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c [2024-08-14 14:16:03,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8141fa046/0c0f73c14bcf4729a3fd7a2c873e3e32/FLAGec49f4cf0 [2024-08-14 14:16:03,024 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8141fa046/0c0f73c14bcf4729a3fd7a2c873e3e32 [2024-08-14 14:16:03,027 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:16:03,028 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:16:03,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.11.cil-2.yml/witness.yml [2024-08-14 14:16:03,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:16:03,141 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:16:03,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:03,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:16:03,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:16:03,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:03" (1/2) ... [2024-08-14 14:16:03,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4844037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:03, skipping insertion in model container [2024-08-14 14:16:03,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:03" (1/2) ... [2024-08-14 14:16:03,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@217eebc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:03, skipping insertion in model container [2024-08-14 14:16:03,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:03" (2/2) ... [2024-08-14 14:16:03,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4844037 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:03, skipping insertion in model container [2024-08-14 14:16:03,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:03" (2/2) ... [2024-08-14 14:16:03,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:16:03,382 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c[914,927] [2024-08-14 14:16:03,441 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c[7125,7138] [2024-08-14 14:16:03,570 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:03,594 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:16:03,606 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c[914,927] [2024-08-14 14:16:03,630 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.11.cil-2.c[7125,7138] [2024-08-14 14:16:03,688 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:03,723 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:16:03,724 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:03 WrapperNode [2024-08-14 14:16:03,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:03,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:16:03,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:16:03,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:16:03,736 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 02:16:03" (1/1) ... [2024-08-14 14:16:03,736 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 02:16:03" (1/1) ... [2024-08-14 14:16:03,752 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 02:16:03" (1/1) ... [2024-08-14 14:16:03,777 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 14:16:03,777 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 02:16:03" (1/1) ... [2024-08-14 14:16:03,778 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 02:16:03" (1/1) ... [2024-08-14 14:16:03,815 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 02:16:03" (1/1) ... [2024-08-14 14:16:03,823 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 02:16:03" (1/1) ... [2024-08-14 14:16:03,830 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 02:16:03" (1/1) ... [2024-08-14 14:16:03,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:16:03,844 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:16:03,844 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:16:03,844 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:16:03,845 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 02:16:03" (1/1) ... [2024-08-14 14:16:03,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:16:03,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:16:03,883 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 14:16:03,889 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 14:16:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:16:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:16:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:16:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:16:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2024-08-14 14:16:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:16:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:16:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:16:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:16:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:16:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-08-14 14:16:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:16:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:16:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-08-14 14:16:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-08-14 14:16:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-08-14 14:16:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:16:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:16:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:16:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:16:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:16:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:16:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:16:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:16:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:16:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:16:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:16:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2024-08-14 14:16:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2024-08-14 14:16:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2024-08-14 14:16:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2024-08-14 14:16:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2024-08-14 14:16:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2024-08-14 14:16:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2024-08-14 14:16:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:16:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:16:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:16:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:16:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:16:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2024-08-14 14:16:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2024-08-14 14:16:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2024-08-14 14:16:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2024-08-14 14:16:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2024-08-14 14:16:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2024-08-14 14:16:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2024-08-14 14:16:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:16:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:16:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:16:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:16:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:16:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:16:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:16:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:16:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:16:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:16:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:16:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:16:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:16:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:16:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:16:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:16:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:16:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:16:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:16:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:16:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:16:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:16:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:16:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-08-14 14:16:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:16:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:16:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-08-14 14:16:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-08-14 14:16:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-08-14 14:16:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:16:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:16:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:16:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:16:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:16:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:16:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:16:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:16:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:16:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:16:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:16:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2024-08-14 14:16:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2024-08-14 14:16:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2024-08-14 14:16:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2024-08-14 14:16:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2024-08-14 14:16:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2024-08-14 14:16:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2024-08-14 14:16:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:16:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:16:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:16:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:16:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:16:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:16:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2024-08-14 14:16:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2024-08-14 14:16:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2024-08-14 14:16:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2024-08-14 14:16:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2024-08-14 14:16:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2024-08-14 14:16:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2024-08-14 14:16:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:16:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:16:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:16:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:16:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:16:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:16:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:16:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:16:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:16:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:16:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:16:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:16:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:16:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:16:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:16:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:16:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:16:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:16:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:16:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:16:04,147 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:16:04,150 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:16:05,165 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-08-14 14:16:05,166 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:16:05,195 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:16:05,198 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:16:05,199 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:05 BoogieIcfgContainer [2024-08-14 14:16:05,199 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:16:05,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:16:05,201 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:16:05,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:16:05,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:16:03" (1/4) ... [2024-08-14 14:16:05,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530a5be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:16:05, skipping insertion in model container [2024-08-14 14:16:05,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:03" (2/4) ... [2024-08-14 14:16:05,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530a5be7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:05, skipping insertion in model container [2024-08-14 14:16:05,208 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 02:16:03" (3/4) ... [2024-08-14 14:16:05,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530a5be7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:05, skipping insertion in model container [2024-08-14 14:16:05,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:05" (4/4) ... [2024-08-14 14:16:05,211 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.11.cil-2.c [2024-08-14 14:16:05,211 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:16:05,229 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:16:05,230 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:16:05,265 INFO L92 WitnessUtils]: Constructing product of automaton with 619 states and violation witness of the following lengths: [39] [2024-08-14 14:16:05,273 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 619 states, 472 states have (on average 1.5466101694915255) internal successors, (730), 496 states have internal predecessors, (730), 85 states have call successors, (85), 58 states have call predecessors, (85), 58 states have return successors, (85), 83 states have call predecessors, (85), 85 states have call successors, (85) [2024-08-14 14:16:06,467 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2468 states to 0 states. [2024-08-14 14:16:06,482 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:16:06,488 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;@7f6b0cae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:16:06,488 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:16:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:16:06,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:16:06,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:16:06,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:16:06,497 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:16:06,500 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:16:06,505 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:16:06 BoogieIcfgContainer [2024-08-14 14:16:06,505 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:16:06,507 INFO L158 Benchmark]: Toolchain (without parser) took 3365.21ms. Allocated memory was 182.5MB in the beginning and 272.6MB in the end (delta: 90.2MB). Free memory was 120.2MB in the beginning and 194.9MB in the end (delta: -74.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-08-14 14:16:06,508 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 182.5MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:06,508 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 182.5MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:06,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.88ms. Allocated memory is still 182.5MB. Free memory was 119.9MB in the beginning and 92.3MB in the end (delta: 27.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-08-14 14:16:06,509 INFO L158 Benchmark]: Boogie Preprocessor took 118.40ms. Allocated memory is still 182.5MB. Free memory was 92.3MB in the beginning and 87.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:16:06,510 INFO L158 Benchmark]: IcfgBuilder took 1354.92ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 87.2MB in the beginning and 121.0MB in the end (delta: -33.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-08-14 14:16:06,512 INFO L158 Benchmark]: TraceAbstraction took 1304.89ms. Allocated memory was 226.5MB in the beginning and 272.6MB in the end (delta: 46.1MB). Free memory was 120.0MB in the beginning and 194.9MB in the end (delta: -74.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:06,514 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 182.5MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 182.5MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.88ms. Allocated memory is still 182.5MB. Free memory was 119.9MB in the beginning and 92.3MB in the end (delta: 27.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.40ms. Allocated memory is still 182.5MB. Free memory was 92.3MB in the beginning and 87.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1354.92ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 87.2MB in the beginning and 121.0MB in the end (delta: -33.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1304.89ms. Allocated memory was 226.5MB in the beginning and 272.6MB in the end (delta: 46.1MB). Free memory was 120.0MB in the beginning and 194.9MB in the end (delta: -74.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 496]: 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 61 procedures, 624 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 14:16:06,550 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