./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/popl20-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/popl20-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 22:36:44,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 22:36:45,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 22:36:45,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 22:36:45,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 22:36:45,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 22:36:45,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 22:36:45,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 22:36:45,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 22:36:45,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 22:36:45,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 22:36:45,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 22:36:45,043 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 22:36:45,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 22:36:45,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 22:36:45,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 22:36:45,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 22:36:45,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 22:36:45,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 22:36:45,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 22:36:45,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 22:36:45,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 22:36:45,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 22:36:45,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 22:36:45,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 22:36:45,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 22:36:45,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 22:36:45,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 22:36:45,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 22:36:45,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 22:36:45,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:36:45,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 22:36:45,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 22:36:45,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 22:36:45,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 22:36:45,056 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 22:36:45,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 22:36:45,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 22:36:45,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 22:36:45,057 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 22:36:45,057 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 22:36:45,058 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 22:36:45,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 22:36:45,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 22:36:45,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 22:36:45,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 22:36:45,306 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 22:36:45,306 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 22:36:45,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-07-22 22:36:46,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 22:36:46,622 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 22:36:46,623 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-07-22 22:36:46,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/77dc26644/8d0e55f9590548d7851a8c534cdbe0e9/FLAG819c76410 [2024-07-22 22:36:46,653 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/77dc26644/8d0e55f9590548d7851a8c534cdbe0e9 [2024-07-22 22:36:46,656 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 22:36:46,657 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 22:36:46,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/popl20-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml [2024-07-22 22:36:46,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 22:36:46,778 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 22:36:46,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 22:36:46,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 22:36:46,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 22:36:46,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:36:46" (1/2) ... [2024-07-22 22:36:46,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d5b8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:46, skipping insertion in model container [2024-07-22 22:36:46,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:36:46" (1/2) ... [2024-07-22 22:36:46,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@137138be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:46, skipping insertion in model container [2024-07-22 22:36:46,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:36:46" (2/2) ... [2024-07-22 22:36:46,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d5b8dc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:46, skipping insertion in model container [2024-07-22 22:36:46,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:36:46" (2/2) ... [2024-07-22 22:36:46,788 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 22:36:46,811 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 22:36:46,812 INFO L97 edCorrectnessWitness]: Location invariant before [L96-L96] ((((! multithreaded || 0 <= i2) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j2)) && (! multithreaded || 0 <= j1)) && (! multithreaded || (((0 <= i1 && 0 <= i2) && 0 <= j1) && 0 <= j2)) [2024-07-22 22:36:46,815 INFO L97 edCorrectnessWitness]: Location invariant before [L99-L99] ((((! multithreaded || 0 <= i2) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j2)) && (! multithreaded || 0 <= j1)) && (! multithreaded || (((0 <= i1 && 0 <= i2) && 0 <= j1) && 0 <= j2)) [2024-07-22 22:36:46,815 INFO L97 edCorrectnessWitness]: Location invariant before [L97-L97] ((((! multithreaded || 0 <= i2) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j2)) && (! multithreaded || 0 <= j1)) && (! multithreaded || (((0 <= i1 && 0 <= i2) && 0 <= j1) && 0 <= j2)) [2024-07-22 22:36:46,815 INFO L97 edCorrectnessWitness]: Location invariant before [L98-L98] ((((! multithreaded || 0 <= i2) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j2)) && (! multithreaded || 0 <= j1)) && (! multithreaded || (((0 <= i1 && 0 <= i2) && 0 <= j1) && 0 <= j2)) [2024-07-22 22:36:46,815 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 22:36:46,815 INFO L106 edCorrectnessWitness]: ghost_update [L95-L95] multithreaded = 1; [2024-07-22 22:36:46,841 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 22:36:46,999 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:36:47,005 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 22:36:47,049 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:36:47,061 INFO L206 MainTranslator]: Completed translation [2024-07-22 22:36:47,061 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47 WrapperNode [2024-07-22 22:36:47,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 22:36:47,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 22:36:47,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 22:36:47,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 22:36:47,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,091 INFO L138 Inliner]: procedures = 21, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2024-07-22 22:36:47,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 22:36:47,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 22:36:47,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 22:36:47,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 22:36:47,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 22:36:47,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 22:36:47,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 22:36:47,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 22:36:47,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (1/1) ... [2024-07-22 22:36:47,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:36:47,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:36:47,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-22 22:36:47,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-22 22:36:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 22:36:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-22 22:36:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-22 22:36:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-22 22:36:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-22 22:36:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-22 22:36:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-22 22:36:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-07-22 22:36:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-07-22 22:36:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 22:36:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-22 22:36:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-22 22:36:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 22:36:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 22:36:47,234 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 22:36:47,346 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 22:36:47,353 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 22:36:47,618 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 22:36:47,618 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 22:36:47,738 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 22:36:47,738 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-22 22:36:47,740 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:36:47 BoogieIcfgContainer [2024-07-22 22:36:47,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 22:36:47,742 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 22:36:47,742 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 22:36:47,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 22:36:47,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:36:46" (1/4) ... [2024-07-22 22:36:47,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e5004b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:36:47, skipping insertion in model container [2024-07-22 22:36:47,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:36:46" (2/4) ... [2024-07-22 22:36:47,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e5004b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 10:36:47, skipping insertion in model container [2024-07-22 22:36:47,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:47" (3/4) ... [2024-07-22 22:36:47,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e5004b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 10:36:47, skipping insertion in model container [2024-07-22 22:36:47,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:36:47" (4/4) ... [2024-07-22 22:36:47,748 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-07-22 22:36:47,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 22:36:47,762 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-07-22 22:36:47,762 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 22:36:47,820 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-07-22 22:36:47,866 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 22:36:47,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 22:36:47,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:36:47,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 22:36:47,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-22 22:36:47,910 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 22:36:47,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 22:36:47,930 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=PARTIAL_ORDER_FA, 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;@5cfac3a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 22:36:47,931 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-07-22 22:36:48,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-22 22:36:48,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:36:48,046 INFO L85 PathProgramCache]: Analyzing trace with hash -917688631, now seen corresponding path program 1 times [2024-07-22 22:36:48,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:36:48,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211626813] [2024-07-22 22:36:48,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:36:48,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:36:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:36:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:36:48,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:36:48,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211626813] [2024-07-22 22:36:48,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211626813] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:36:48,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:36:48,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 22:36:48,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931989172] [2024-07-22 22:36:48,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:36:48,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 22:36:48,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:36:48,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 22:36:48,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 22:36:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:48,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:36:48,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-07-22 22:36:48,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:48,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:48,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 22:36:48,943 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-22 22:36:48,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:36:48,943 INFO L85 PathProgramCache]: Analyzing trace with hash 58397368, now seen corresponding path program 1 times [2024-07-22 22:36:48,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:36:48,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357428001] [2024-07-22 22:36:48,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:36:48,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:36:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:36:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:36:49,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:36:49,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357428001] [2024-07-22 22:36:49,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357428001] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:36:49,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:36:49,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 22:36:49,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618563920] [2024-07-22 22:36:49,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:36:49,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 22:36:49,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:36:49,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 22:36:49,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-22 22:36:49,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:49,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:36:49,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-07-22 22:36:49,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:49,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:49,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:36:49,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 22:36:49,497 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-22 22:36:49,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:36:49,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1150778180, now seen corresponding path program 2 times [2024-07-22 22:36:49,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:36:49,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951716951] [2024-07-22 22:36:49,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:36:49,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:36:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:36:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:36:49,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:36:49,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951716951] [2024-07-22 22:36:49,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951716951] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 22:36:49,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36726228] [2024-07-22 22:36:49,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 22:36:49,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 22:36:49,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:36:50,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 22:36:50,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-22 22:36:50,236 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-07-22 22:36:50,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 22:36:50,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-22 22:36:50,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 22:36:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 22:36:50,470 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 22:36:50,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36726228] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:36:50,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 22:36:50,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 10 [2024-07-22 22:36:50,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927010230] [2024-07-22 22:36:50,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:36:50,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 22:36:50,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:36:50,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 22:36:50,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-07-22 22:36:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:50,476 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:36:50,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-07-22 22:36:50,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:50,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:36:50,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:36:50,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:36:50,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-07-22 22:36:51,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-07-22 22:36:51,047 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-22 22:36:51,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:36:51,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1433997776, now seen corresponding path program 1 times [2024-07-22 22:36:51,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:36:51,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735797172] [2024-07-22 22:36:51,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:36:51,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:36:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:36:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:36:51,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:36:51,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735797172] [2024-07-22 22:36:51,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735797172] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 22:36:51,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740548198] [2024-07-22 22:36:51,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:36:51,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 22:36:51,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:36:51,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 22:36:51,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-22 22:36:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:36:51,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 11 conjunts are in the unsatisfiable core [2024-07-22 22:36:51,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 22:36:51,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:36:51,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 22:36:51,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740548198] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:36:51,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 22:36:51,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 11 [2024-07-22 22:36:51,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208029351] [2024-07-22 22:36:51,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:36:51,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-07-22 22:36:51,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:36:51,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-07-22 22:36:51,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-07-22 22:36:51,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:51,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:36:51,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2024-07-22 22:36:51,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:51,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:36:51,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:36:51,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:52,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:36:52,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:36:52,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 22:36:52,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 22:36:52,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-07-22 22:36:52,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-07-22 22:36:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-07-22 22:36:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-07-22 22:36:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-07-22 22:36:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-07-22 22:36:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-07-22 22:36:52,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-07-22 22:36:52,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-22 22:36:52,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 22:36:52,331 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-07-22 22:36:52,333 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 22:36:52,333 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 22:36:52,334 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-07-22 22:36:52,335 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-07-22 22:36:52,335 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:36:52 BasicIcfg [2024-07-22 22:36:52,335 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 22:36:52,336 INFO L158 Benchmark]: Toolchain (without parser) took 5557.73ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 94.9MB in the beginning and 61.4MB in the end (delta: 33.5MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2024-07-22 22:36:52,336 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 22:36:52,336 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 22:36:52,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.78ms. Allocated memory is still 165.7MB. Free memory was 94.7MB in the beginning and 130.8MB in the end (delta: -36.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-07-22 22:36:52,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.28ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 128.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 22:36:52,337 INFO L158 Benchmark]: Boogie Preprocessor took 20.18ms. Allocated memory is still 165.7MB. Free memory was 128.7MB in the beginning and 127.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 22:36:52,337 INFO L158 Benchmark]: RCFGBuilder took 627.77ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 86.5MB in the end (delta: 40.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-07-22 22:36:52,338 INFO L158 Benchmark]: TraceAbstraction took 4593.44ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 85.9MB in the beginning and 61.4MB in the end (delta: 24.5MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2024-07-22 22:36:52,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.78ms. Allocated memory is still 165.7MB. Free memory was 94.7MB in the beginning and 130.8MB in the end (delta: -36.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.28ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 128.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.18ms. Allocated memory is still 165.7MB. Free memory was 128.7MB in the beginning and 127.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.77ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 86.5MB in the end (delta: 40.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4593.44ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 85.9MB in the beginning and 61.4MB in the end (delta: 24.5MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 164440, independent: 149426, independent conditional: 148425, independent unconditional: 1001, dependent: 15014, dependent conditional: 14981, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 151604, independent: 149426, independent conditional: 148425, independent unconditional: 1001, dependent: 2178, dependent conditional: 2145, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 151604, independent: 149426, independent conditional: 148425, independent unconditional: 1001, dependent: 2178, dependent conditional: 2145, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160549, independent: 149426, independent conditional: 5444, independent unconditional: 143982, dependent: 11123, dependent conditional: 3501, dependent unconditional: 7622, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 160549, independent: 149426, independent conditional: 5444, independent unconditional: 143982, dependent: 11123, dependent conditional: 2791, dependent unconditional: 8332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 160549, independent: 149426, independent conditional: 5444, independent unconditional: 143982, dependent: 11123, dependent conditional: 2791, dependent unconditional: 8332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1088, independent: 1009, independent conditional: 81, independent unconditional: 928, dependent: 79, dependent conditional: 46, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1088, independent: 901, independent conditional: 0, independent unconditional: 901, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 187, independent: 108, independent conditional: 81, independent unconditional: 27, dependent: 79, dependent conditional: 46, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 187, independent: 108, independent conditional: 81, independent unconditional: 27, dependent: 79, dependent conditional: 46, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 454, independent: 274, independent conditional: 169, independent unconditional: 105, dependent: 180, dependent conditional: 90, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 160549, independent: 148417, independent conditional: 5363, independent unconditional: 143054, dependent: 11044, dependent conditional: 2745, dependent unconditional: 8299, unknown: 1088, unknown conditional: 127, unknown unconditional: 961] , Statistics on independence cache: Total cache size (in pairs): 1088, Positive cache size: 1009, Positive conditional cache size: 81, Positive unconditional cache size: 928, Negative cache size: 79, Negative conditional cache size: 46, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 710, Maximal queried relation: 4, Independence queries for same thread: 12836 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1056, Number of trivial persistent sets: 971, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1034, independent: 1001, independent conditional: 0, independent unconditional: 1001, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 164440, independent: 149426, independent conditional: 148425, independent unconditional: 1001, dependent: 15014, dependent conditional: 14981, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 151604, independent: 149426, independent conditional: 148425, independent unconditional: 1001, dependent: 2178, dependent conditional: 2145, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 151604, independent: 149426, independent conditional: 148425, independent unconditional: 1001, dependent: 2178, dependent conditional: 2145, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160549, independent: 149426, independent conditional: 5444, independent unconditional: 143982, dependent: 11123, dependent conditional: 3501, dependent unconditional: 7622, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 160549, independent: 149426, independent conditional: 5444, independent unconditional: 143982, dependent: 11123, dependent conditional: 2791, dependent unconditional: 8332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 160549, independent: 149426, independent conditional: 5444, independent unconditional: 143982, dependent: 11123, dependent conditional: 2791, dependent unconditional: 8332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1088, independent: 1009, independent conditional: 81, independent unconditional: 928, dependent: 79, dependent conditional: 46, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1088, independent: 901, independent conditional: 0, independent unconditional: 901, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 187, independent: 108, independent conditional: 81, independent unconditional: 27, dependent: 79, dependent conditional: 46, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 187, independent: 108, independent conditional: 81, independent unconditional: 27, dependent: 79, dependent conditional: 46, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 454, independent: 274, independent conditional: 169, independent unconditional: 105, dependent: 180, dependent conditional: 90, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 160549, independent: 148417, independent conditional: 5363, independent unconditional: 143054, dependent: 11044, dependent conditional: 2745, dependent unconditional: 8299, unknown: 1088, unknown conditional: 127, unknown unconditional: 961] , Statistics on independence cache: Total cache size (in pairs): 1088, Positive cache size: 1009, Positive conditional cache size: 81, Positive unconditional cache size: 928, Negative cache size: 79, Negative conditional cache size: 46, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 710, Maximal queried relation: 4, Independence queries for same thread: 12836 - PositiveResult [Line: 96]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 97]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 98]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 99]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 60 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, 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, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 140 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 1757 SizeOfPredicates, 0 NumberOfNonLiveVariables, 324 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 8/16 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-22 22:36:52,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-22 22:36:52,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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