./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-min-max-1.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 80b1b132 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/weaver/parallel-min-max-1.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-min-max-1.wvr.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 --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-?-80b1b13-m [2024-01-31 17:00:15,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 17:00:15,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 17:00:15,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 17:00:15,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 17:00:15,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 17:00:15,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 17:00:15,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 17:00:15,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 17:00:15,448 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 17:00:15,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 17:00:15,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 17:00:15,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 17:00:15,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 17:00:15,451 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 17:00:15,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 17:00:15,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 17:00:15,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 17:00:15,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 17:00:15,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 17:00:15,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 17:00:15,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 17:00:15,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 17:00:15,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 17:00:15,453 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 17:00:15,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 17:00:15,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 17:00:15,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 17:00:15,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 17:00:15,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 17:00:15,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 17:00:15,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 17:00:15,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:00:15,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 17:00:15,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 17:00:15,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 17:00:15,456 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 17:00:15,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 17:00:15,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 17:00:15,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 17:00:15,457 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 17:00:15,457 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 17:00:15,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 17:00:15,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 17:00:15,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 17:00:15,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 17:00:15,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 17:00:15,681 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 17:00:15,682 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 17:00:15,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-min-max-1.wvr.yml/witness.yml [2024-01-31 17:00:15,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 17:00:15,837 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 17:00:15,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2024-01-31 17:00:16,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 17:00:17,131 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 17:00:17,131 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2024-01-31 17:00:17,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f70b5ab9/fcda6da289a347d0ba61de10520833d7/FLAG8dec64ca9 [2024-01-31 17:00:17,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f70b5ab9/fcda6da289a347d0ba61de10520833d7 [2024-01-31 17:00:17,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 17:00:17,151 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 17:00:17,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 17:00:17,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 17:00:17,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 17:00:17,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:00:15" (1/2) ... [2024-01-31 17:00:17,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6e41a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:00:17, skipping insertion in model container [2024-01-31 17:00:17,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:00:15" (1/2) ... [2024-01-31 17:00:17,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42cd2281 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:00:17, skipping insertion in model container [2024-01-31 17:00:17,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:00:17" (2/2) ... [2024-01-31 17:00:17,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6e41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17, skipping insertion in model container [2024-01-31 17:00:17,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:00:17" (2/2) ... [2024-01-31 17:00:17,161 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 17:00:17,207 INFO L93 nessWitnessExtractor]: Witness did not contain any usable entries. [2024-01-31 17:00:17,227 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 17:00:17,387 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c[3096,3109] [2024-01-31 17:00:17,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 17:00:17,408 INFO L204 MainTranslator]: Completed pre-run [2024-01-31 17:00:17,439 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c[3096,3109] [2024-01-31 17:00:17,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 17:00:17,461 INFO L208 MainTranslator]: Completed translation [2024-01-31 17:00:17,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17 WrapperNode [2024-01-31 17:00:17,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 17:00:17,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 17:00:17,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 17:00:17,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 17:00:17,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,506 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-01-31 17:00:17,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 17:00:17,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 17:00:17,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 17:00:17,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 17:00:17,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,546 INFO L175 MemorySlicer]: Split 16 memory accesses to 5 slices as follows [2, 2, 8, 2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-01-31 17:00:17,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 17:00:17,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 17:00:17,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 17:00:17,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 17:00:17,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (1/1) ... [2024-01-31 17:00:17,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:00:17,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 17:00:17,606 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) [2024-01-31 17:00:17,624 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 [2024-01-31 17:00:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 17:00:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 17:00:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 17:00:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 17:00:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 17:00:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 17:00:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-31 17:00:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 17:00:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 17:00:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 17:00:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 17:00:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-31 17:00:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 17:00:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 17:00:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 17:00:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 17:00:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 17:00:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 17:00:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 17:00:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 17:00:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 17:00:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 17:00:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-31 17:00:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 17:00:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 17:00:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-31 17:00:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 17:00:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 17:00:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 17:00:17,656 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 17:00:17,803 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 17:00:17,805 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 17:00:17,998 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 17:00:17,999 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 17:00:18,160 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 17:00:18,161 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-31 17:00:18,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:00:18 BoogieIcfgContainer [2024-01-31 17:00:18,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 17:00:18,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 17:00:18,162 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 17:00:18,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 17:00:18,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:00:15" (1/4) ... [2024-01-31 17:00:18,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45235ec8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 05:00:18, skipping insertion in model container [2024-01-31 17:00:18,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 05:00:17" (2/4) ... [2024-01-31 17:00:18,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45235ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 05:00:18, skipping insertion in model container [2024-01-31 17:00:18,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:00:17" (3/4) ... [2024-01-31 17:00:18,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45235ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 05:00:18, skipping insertion in model container [2024-01-31 17:00:18,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:00:18" (4/4) ... [2024-01-31 17:00:18,166 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2024-01-31 17:00:18,179 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 17:00:18,179 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-31 17:00:18,179 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 17:00:18,211 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-31 17:00:18,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 39 transitions, 99 flow [2024-01-31 17:00:18,253 INFO L124 PetriNetUnfolderBase]: 3/36 cut-off events. [2024-01-31 17:00:18,253 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 17:00:18,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 36 events. 3/36 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2024-01-31 17:00:18,255 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 39 transitions, 99 flow [2024-01-31 17:00:18,257 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 35 transitions, 88 flow [2024-01-31 17:00:18,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 17:00:18,268 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;@4a4be4b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 17:00:18,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-01-31 17:00:18,277 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 17:00:18,277 INFO L124 PetriNetUnfolderBase]: 3/34 cut-off events. [2024-01-31 17:00:18,277 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 17:00:18,277 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:00:18,278 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:00:18,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:00:18,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:00:18,282 INFO L85 PathProgramCache]: Analyzing trace with hash -842274422, now seen corresponding path program 1 times [2024-01-31 17:00:18,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:00:18,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979711588] [2024-01-31 17:00:18,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:00:18,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:00:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:00:18,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 17:00:18,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:00:18,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979711588] [2024-01-31 17:00:18,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979711588] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 17:00:18,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 17:00:18,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 17:00:18,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141927588] [2024-01-31 17:00:18,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:00:18,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 17:00:18,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:00:18,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 17:00:18,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 17:00:18,767 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 39 [2024-01-31 17:00:18,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 35 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:00:18,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:00:18,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 39 [2024-01-31 17:00:18,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:00:18,979 INFO L124 PetriNetUnfolderBase]: 518/881 cut-off events. [2024-01-31 17:00:18,979 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-01-31 17:00:18,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1758 conditions, 881 events. 518/881 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4552 event pairs, 276 based on Foata normal form. 34/860 useless extension candidates. Maximal degree in co-relation 1565. Up to 561 conditions per place. [2024-01-31 17:00:18,993 INFO L140 encePairwiseOnDemand]: 35/39 looper letters, 34 selfloop transitions, 3 changer transitions 0/47 dead transitions. [2024-01-31 17:00:18,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 47 transitions, 192 flow [2024-01-31 17:00:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 17:00:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 17:00:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-01-31 17:00:19,004 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5769230769230769 [2024-01-31 17:00:19,005 INFO L175 Difference]: Start difference. First operand has 42 places, 35 transitions, 88 flow. Second operand 4 states and 90 transitions. [2024-01-31 17:00:19,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 47 transitions, 192 flow [2024-01-31 17:00:19,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 47 transitions, 176 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-31 17:00:19,013 INFO L231 Difference]: Finished difference. Result has 40 places, 36 transitions, 90 flow [2024-01-31 17:00:19,015 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=90, PETRI_PLACES=40, PETRI_TRANSITIONS=36} [2024-01-31 17:00:19,017 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2024-01-31 17:00:19,018 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 36 transitions, 90 flow [2024-01-31 17:00:19,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:00:19,018 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:00:19,018 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:00:19,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 17:00:19,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:00:19,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:00:19,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1426310397, now seen corresponding path program 1 times [2024-01-31 17:00:19,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:00:19,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779776258] [2024-01-31 17:00:19,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:00:19,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:00:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:00:19,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-31 17:00:19,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:00:19,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779776258] [2024-01-31 17:00:19,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779776258] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 17:00:19,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 17:00:19,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 17:00:19,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340196693] [2024-01-31 17:00:19,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:00:19,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 17:00:19,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:00:19,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 17:00:19,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 17:00:19,175 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 39 [2024-01-31 17:00:19,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 36 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:00:19,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:00:19,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 39 [2024-01-31 17:00:19,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:00:19,308 INFO L124 PetriNetUnfolderBase]: 558/968 cut-off events. [2024-01-31 17:00:19,309 INFO L125 PetriNetUnfolderBase]: For 84/115 co-relation queries the response was YES. [2024-01-31 17:00:19,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 968 events. 558/968 cut-off events. For 84/115 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4938 event pairs, 337 based on Foata normal form. 69/988 useless extension candidates. Maximal degree in co-relation 580. Up to 632 conditions per place. [2024-01-31 17:00:19,314 INFO L140 encePairwiseOnDemand]: 35/39 looper letters, 36 selfloop transitions, 3 changer transitions 0/49 dead transitions. [2024-01-31 17:00:19,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 49 transitions, 203 flow [2024-01-31 17:00:19,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 17:00:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 17:00:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-01-31 17:00:19,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5769230769230769 [2024-01-31 17:00:19,321 INFO L175 Difference]: Start difference. First operand has 40 places, 36 transitions, 90 flow. Second operand 4 states and 90 transitions. [2024-01-31 17:00:19,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 49 transitions, 203 flow [2024-01-31 17:00:19,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 49 transitions, 198 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 17:00:19,328 INFO L231 Difference]: Finished difference. Result has 42 places, 37 transitions, 100 flow [2024-01-31 17:00:19,328 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=100, PETRI_PLACES=42, PETRI_TRANSITIONS=37} [2024-01-31 17:00:19,328 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 0 predicate places. [2024-01-31 17:00:19,329 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 37 transitions, 100 flow [2024-01-31 17:00:19,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:00:19,329 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:00:19,329 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:00:19,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 17:00:19,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:00:19,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:00:19,333 INFO L85 PathProgramCache]: Analyzing trace with hash 552744456, now seen corresponding path program 1 times [2024-01-31 17:00:19,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:00:19,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281755965] [2024-01-31 17:00:19,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:00:19,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:00:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:00:19,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-31 17:00:19,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:00:19,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281755965] [2024-01-31 17:00:19,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281755965] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 17:00:19,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 17:00:19,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 17:00:19,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132903685] [2024-01-31 17:00:19,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:00:19,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 17:00:19,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:00:19,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 17:00:19,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 17:00:19,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2024-01-31 17:00:19,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 37 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:00:19,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:00:19,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2024-01-31 17:00:19,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:00:19,588 INFO L124 PetriNetUnfolderBase]: 484/836 cut-off events. [2024-01-31 17:00:19,588 INFO L125 PetriNetUnfolderBase]: For 125/189 co-relation queries the response was YES. [2024-01-31 17:00:19,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1906 conditions, 836 events. 484/836 cut-off events. For 125/189 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4275 event pairs, 405 based on Foata normal form. 64/857 useless extension candidates. Maximal degree in co-relation 563. Up to 745 conditions per place. [2024-01-31 17:00:19,593 INFO L140 encePairwiseOnDemand]: 36/39 looper letters, 25 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2024-01-31 17:00:19,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 38 transitions, 156 flow [2024-01-31 17:00:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 17:00:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 17:00:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2024-01-31 17:00:19,595 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5811965811965812 [2024-01-31 17:00:19,595 INFO L175 Difference]: Start difference. First operand has 42 places, 37 transitions, 100 flow. Second operand 3 states and 68 transitions. [2024-01-31 17:00:19,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 38 transitions, 156 flow [2024-01-31 17:00:19,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 38 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 17:00:19,597 INFO L231 Difference]: Finished difference. Result has 43 places, 38 transitions, 108 flow [2024-01-31 17:00:19,597 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=43, PETRI_TRANSITIONS=38} [2024-01-31 17:00:19,598 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 1 predicate places. [2024-01-31 17:00:19,598 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 38 transitions, 108 flow [2024-01-31 17:00:19,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:00:19,599 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:00:19,599 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:00:19,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 17:00:19,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:00:19,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:00:19,600 INFO L85 PathProgramCache]: Analyzing trace with hash 879332773, now seen corresponding path program 1 times [2024-01-31 17:00:19,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:00:19,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139452860] [2024-01-31 17:00:19,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:00:19,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:00:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:00:20,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-31 17:00:20,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:00:20,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139452860] [2024-01-31 17:00:20,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139452860] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-31 17:00:20,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598343297] [2024-01-31 17:00:20,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:00:20,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:00:20,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 17:00:20,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-31 17:00:20,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-01-31 17:00:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:00:20,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 25 conjunts are in the unsatisfiable core [2024-01-31 17:00:20,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-31 17:00:20,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-01-31 17:00:20,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-01-31 17:00:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 17:00:20,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-31 17:00:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-31 17:00:20,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598343297] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-31 17:00:20,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-31 17:00:20,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 8] total 21 [2024-01-31 17:00:20,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724351427] [2024-01-31 17:00:20,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-31 17:00:20,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-01-31 17:00:20,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:00:20,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-01-31 17:00:20,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2024-01-31 17:00:20,745 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 39 [2024-01-31 17:00:20,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 38 transitions, 108 flow. Second operand has 21 states, 21 states have (on average 12.857142857142858) internal successors, (270), 21 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:00:20,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:00:20,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 39 [2024-01-31 17:00:20,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:00:21,422 INFO L124 PetriNetUnfolderBase]: 1812/2953 cut-off events. [2024-01-31 17:00:21,423 INFO L125 PetriNetUnfolderBase]: For 447/447 co-relation queries the response was YES. [2024-01-31 17:00:21,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6593 conditions, 2953 events. 1812/2953 cut-off events. For 447/447 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 15688 event pairs, 174 based on Foata normal form. 3/2942 useless extension candidates. Maximal degree in co-relation 6580. Up to 481 conditions per place. [2024-01-31 17:00:21,429 INFO L140 encePairwiseOnDemand]: 28/39 looper letters, 0 selfloop transitions, 0 changer transitions 191/191 dead transitions. [2024-01-31 17:00:21,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 191 transitions, 892 flow [2024-01-31 17:00:21,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-01-31 17:00:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-01-31 17:00:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 349 transitions. [2024-01-31 17:00:21,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49715099715099714 [2024-01-31 17:00:21,433 INFO L175 Difference]: Start difference. First operand has 43 places, 38 transitions, 108 flow. Second operand 18 states and 349 transitions. [2024-01-31 17:00:21,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 191 transitions, 892 flow [2024-01-31 17:00:21,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 191 transitions, 888 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-01-31 17:00:21,438 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-01-31 17:00:21,439 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2024-01-31 17:00:21,440 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 15 predicate places. [2024-01-31 17:00:21,440 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-01-31 17:00:21,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 12.857142857142858) internal successors, (270), 21 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:00:21,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-01-31 17:00:21,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-01-31 17:00:21,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-01-31 17:00:21,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-01-31 17:00:21,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-01-31 17:00:21,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:00:21,658 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-31 17:00:21,661 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-31 17:00:21,662 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-31 17:00:21,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 05:00:21 BasicIcfg [2024-01-31 17:00:21,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-31 17:00:21,673 INFO L158 Benchmark]: Toolchain (without parser) took 4521.25ms. Allocated memory was 176.2MB in the beginning and 251.7MB in the end (delta: 75.5MB). Free memory was 98.0MB in the beginning and 119.2MB in the end (delta: -21.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-01-31 17:00:21,674 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 17:00:21,674 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 17:00:21,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.88ms. Allocated memory is still 176.2MB. Free memory was 98.0MB in the beginning and 81.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-31 17:00:21,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.03ms. Allocated memory is still 176.2MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 17:00:21,677 INFO L158 Benchmark]: Boogie Preprocessor took 72.72ms. Allocated memory is still 176.2MB. Free memory was 79.5MB in the beginning and 77.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 17:00:21,680 INFO L158 Benchmark]: RCFGBuilder took 580.16ms. Allocated memory is still 176.2MB. Free memory was 76.6MB in the beginning and 104.0MB in the end (delta: -27.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-01-31 17:00:21,681 INFO L158 Benchmark]: TraceAbstraction took 3509.97ms. Allocated memory was 176.2MB in the beginning and 251.7MB in the end (delta: 75.5MB). Free memory was 102.8MB in the beginning and 119.2MB in the end (delta: -16.4MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-01-31 17:00:21,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.88ms. Allocated memory is still 176.2MB. Free memory was 98.0MB in the beginning and 81.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.03ms. Allocated memory is still 176.2MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.72ms. Allocated memory is still 176.2MB. Free memory was 79.5MB in the beginning and 77.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.16ms. Allocated memory is still 176.2MB. Free memory was 76.6MB in the beginning and 104.0MB in the end (delta: -27.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3509.97ms. Allocated memory was 176.2MB in the beginning and 251.7MB in the end (delta: 75.5MB). Free memory was 102.8MB in the beginning and 119.2MB in the end (delta: -16.4MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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 with 1 thread instances CFG has 7 procedures, 60 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 391 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 374 mSDsluCounter, 504 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 484 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 880 IncrementalHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 20 mSDtfsCounter, 880 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=3, InterpolantAutomatonStates: 29, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 1065 SizeOfPredicates, 13 NumberOfNonLiveVariables, 227 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 5/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: 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! [2024-01-31 17:00:21,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE