./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/triangular-longer-1.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/triangular-longer-1.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/pthread/triangular-longer-1.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/triangular-longer-1.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 16:41:30,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 16:41:30,725 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 16:41:30,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 16:41:30,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 16:41:30,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 16:41:30,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 16:41:30,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 16:41:30,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 16:41:30,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 16:41:31,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 16:41:31,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 16:41:31,039 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 16:41:31,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 16:41:31,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 16:41:31,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 16:41:31,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 16:41:31,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 16:41:31,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 16:41:31,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 16:41:31,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 16:41:31,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 16:41:31,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 16:41:31,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 16:41:31,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 16:41:31,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 16:41:31,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 16:41:31,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 16:41:31,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 16:41:31,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 16:41:31,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 16:41:31,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 16:41:31,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 16:41:31,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 16:41:31,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 16:41:31,051 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 16:41:31,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 16:41:31,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 16:41:31,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 16:41:31,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 16:41:31,052 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 16:41:31,052 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 16:41:31,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-22 16:41:31,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 16:41:31,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 16:41:31,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 16:41:31,288 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 16:41:31,289 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 16:41:31,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/triangular-longer-1.yml/witness.yml [2024-07-22 16:41:31,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 16:41:31,342 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 16:41:31,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/triangular-longer-1.i [2024-07-22 16:41:32,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 16:41:32,421 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 16:41:32,421 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-1.i [2024-07-22 16:41:32,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/91a043379/8ab92d29059643deb7bfed6ec842769a/FLAG862840cdb [2024-07-22 16:41:32,446 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/91a043379/8ab92d29059643deb7bfed6ec842769a [2024-07-22 16:41:32,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 16:41:32,447 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 16:41:32,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 16:41:32,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 16:41:32,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 16:41:32,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 04:41:31" (1/2) ... [2024-07-22 16:41:32,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7c7af5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:41:32, skipping insertion in model container [2024-07-22 16:41:32,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 04:41:31" (1/2) ... [2024-07-22 16:41:32,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ac1ae85 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:41:32, skipping insertion in model container [2024-07-22 16:41:32,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 04:41:32" (2/2) ... [2024-07-22 16:41:32,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7c7af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32, skipping insertion in model container [2024-07-22 16:41:32,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 04:41:32" (2/2) ... [2024-07-22 16:41:32,470 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 16:41:32,488 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 16:41:32,489 INFO L97 edCorrectnessWitness]: Location invariant before [L715-L715] ! multithreaded || (1LL - (long long )i) + (long long )j >= 0LL [2024-07-22 16:41:32,489 INFO L97 edCorrectnessWitness]: Location invariant before [L714-L714] ! multithreaded || (1LL - (long long )i) + (long long )j >= 0LL [2024-07-22 16:41:32,490 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 16:41:32,490 INFO L106 edCorrectnessWitness]: ghost_update [L713-L713] multithreaded = 1; [2024-07-22 16:41:32,527 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 16:41:32,711 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-1.i[30961,30974] [2024-07-22 16:41:32,714 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 16:41:32,720 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 16:41:32,768 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-1.i[30961,30974] [2024-07-22 16:41:32,769 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 16:41:32,803 INFO L206 MainTranslator]: Completed translation [2024-07-22 16:41:32,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32 WrapperNode [2024-07-22 16:41:32,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 16:41:32,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 16:41:32,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 16:41:32,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 16:41:32,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,846 INFO L138 Inliner]: procedures = 168, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-07-22 16:41:32,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 16:41:32,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 16:41:32,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 16:41:32,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 16:41:32,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 16:41:32,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 16:41:32,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 16:41:32,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 16:41:32,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (1/1) ... [2024-07-22 16:41:32,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 16:41:32,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:41:33,002 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 16:41:33,004 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 16:41:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-07-22 16:41:33,027 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-07-22 16:41:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-07-22 16:41:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-07-22 16:41:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-22 16:41:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 16:41:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 16:41:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-22 16:41:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 16:41:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 16:41:33,040 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 16:41:33,131 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 16:41:33,133 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 16:41:33,219 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 16:41:33,219 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 16:41:33,280 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 16:41:33,283 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-07-22 16:41:33,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 04:41:33 BoogieIcfgContainer [2024-07-22 16:41:33,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 16:41:33,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 16:41:33,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 16:41:33,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 16:41:33,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 04:41:31" (1/4) ... [2024-07-22 16:41:33,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2c4d7a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 04:41:33, skipping insertion in model container [2024-07-22 16:41:33,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 04:41:32" (2/4) ... [2024-07-22 16:41:33,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2c4d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 04:41:33, skipping insertion in model container [2024-07-22 16:41:33,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:41:32" (3/4) ... [2024-07-22 16:41:33,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2c4d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 04:41:33, skipping insertion in model container [2024-07-22 16:41:33,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 04:41:33" (4/4) ... [2024-07-22 16:41:33,289 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longer-1.i [2024-07-22 16:41:33,301 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 16:41:33,302 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-07-22 16:41:33,302 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 16:41:33,345 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-22 16:41:33,382 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 16:41:33,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 16:41:33,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:41:33,384 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 16:41:33,394 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 16:41:33,421 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 16:41:33,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 16:41:33,441 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;@5158e467, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 16:41:33,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-07-22 16:41:33,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:33,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:33,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1181254699, now seen corresponding path program 1 times [2024-07-22 16:41:33,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:33,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968138391] [2024-07-22 16:41:33,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:33,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:33,744 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 16:41:33,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:33,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968138391] [2024-07-22 16:41:33,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968138391] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 16:41:33,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 16:41:33,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 16:41:33,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182161422] [2024-07-22 16:41:33,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 16:41:33,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 16:41:33,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:33,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 16:41:33,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 16:41:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:33,773 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:33,774 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 16:41:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:33,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:33,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 16:41:33,845 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:33,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:33,846 INFO L85 PathProgramCache]: Analyzing trace with hash 444684115, now seen corresponding path program 1 times [2024-07-22 16:41:33,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:33,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906334895] [2024-07-22 16:41:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:33,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:34,083 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 16:41:34,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:34,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906334895] [2024-07-22 16:41:34,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906334895] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 16:41:34,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 16:41:34,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 16:41:34,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015752131] [2024-07-22 16:41:34,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 16:41:34,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 16:41:34,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:34,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 16:41:34,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-22 16:41:34,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:34,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:34,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 16:41:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:34,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:34,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:34,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:34,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 16:41:34,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:34,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:34,199 INFO L85 PathProgramCache]: Analyzing trace with hash -932879314, now seen corresponding path program 1 times [2024-07-22 16:41:34,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:34,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782150230] [2024-07-22 16:41:34,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:34,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:34,324 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 16:41:34,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:34,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782150230] [2024-07-22 16:41:34,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782150230] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 16:41:34,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 16:41:34,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-22 16:41:34,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600166028] [2024-07-22 16:41:34,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 16:41:34,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 16:41:34,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:34,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 16:41:34,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-07-22 16:41:34,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:34,329 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:34,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 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 16:41:34,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:34,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:34,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:34,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:34,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:34,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 16:41:34,452 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:34,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:34,452 INFO L85 PathProgramCache]: Analyzing trace with hash -2029707063, now seen corresponding path program 2 times [2024-07-22 16:41:34,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:34,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650654498] [2024-07-22 16:41:34,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:34,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:34,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:34,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650654498] [2024-07-22 16:41:34,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650654498] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 16:41:34,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323286080] [2024-07-22 16:41:34,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 16:41:34,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:34,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:41:34,655 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 16:41:34,672 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 16:41:34,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 16:41:34,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 16:41:34,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjunts are in the unsatisfiable core [2024-07-22 16:41:34,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 16:41:34,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:34,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 16:41:35,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:35,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323286080] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 16:41:35,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 16:41:35,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-07-22 16:41:35,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763434707] [2024-07-22 16:41:35,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 16:41:35,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-07-22 16:41:35,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:35,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-07-22 16:41:35,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-07-22 16:41:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:35,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:35,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.8125) internal successors, (61), 15 states have internal predecessors, (61), 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 16:41:35,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:35,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:35,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:35,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-22 16:41:35,284 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 16:41:35,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:35,480 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:35,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:35,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1302702822, now seen corresponding path program 3 times [2024-07-22 16:41:35,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:35,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175629519] [2024-07-22 16:41:35,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:35,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:35,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:35,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175629519] [2024-07-22 16:41:35,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175629519] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 16:41:35,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238828319] [2024-07-22 16:41:35,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 16:41:35,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:35,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:41:35,746 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 16:41:35,772 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 16:41:35,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-07-22 16:41:35,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 16:41:35,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 17 conjunts are in the unsatisfiable core [2024-07-22 16:41:35,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 16:41:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:35,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 16:41:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:36,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238828319] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 16:41:36,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 16:41:36,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 26 [2024-07-22 16:41:36,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111842072] [2024-07-22 16:41:36,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 16:41:36,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-07-22 16:41:36,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:36,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-07-22 16:41:36,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2024-07-22 16:41:36,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:36,211 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:36,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.5925925925925926) internal successors, (97), 26 states have internal predecessors, (97), 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 16:41:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:36,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-22 16:41:36,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:36,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-22 16:41:36,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 16:41:36,682 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 16:41:36,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:36,881 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:36,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:36,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1964545788, now seen corresponding path program 4 times [2024-07-22 16:41:36,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:36,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273008537] [2024-07-22 16:41:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:36,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 302 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:37,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:37,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273008537] [2024-07-22 16:41:37,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273008537] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 16:41:37,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621707380] [2024-07-22 16:41:37,021 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-22 16:41:37,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:37,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:41:37,022 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 16:41:37,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-22 16:41:37,076 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-22 16:41:37,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 16:41:37,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjunts are in the unsatisfiable core [2024-07-22 16:41:37,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 16:41:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:37,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 16:41:37,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621707380] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 16:41:37,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 16:41:37,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 14 [2024-07-22 16:41:37,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266819627] [2024-07-22 16:41:37,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 16:41:37,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-07-22 16:41:37,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:37,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-07-22 16:41:37,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2024-07-22 16:41:37,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:37,163 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:37,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 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 16:41:37,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:37,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:37,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:37,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-22 16:41:37,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 16:41:37,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:37,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-22 16:41:37,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:37,753 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:37,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:37,753 INFO L85 PathProgramCache]: Analyzing trace with hash 230586714, now seen corresponding path program 5 times [2024-07-22 16:41:37,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:37,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120679845] [2024-07-22 16:41:37,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:37,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:37,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:37,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120679845] [2024-07-22 16:41:37,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120679845] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 16:41:37,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664017889] [2024-07-22 16:41:37,823 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-22 16:41:37,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:37,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:41:37,947 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 16:41:37,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-22 16:41:38,000 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 16:41:38,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 16:41:38,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core [2024-07-22 16:41:38,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 16:41:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:38,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 16:41:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:38,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664017889] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 16:41:38,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 16:41:38,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-07-22 16:41:38,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979490831] [2024-07-22 16:41:38,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 16:41:38,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-07-22 16:41:38,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:38,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-07-22 16:41:38,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-07-22 16:41:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:38,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:38,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 13 states have internal predecessors, (44), 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 16:41:38,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:38,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:38,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:38,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:38,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:38,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:38,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:38,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:38,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:38,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:38,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:38,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:38,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:38,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:38,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-22 16:41:38,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-07-22 16:41:38,625 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:38,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:38,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1468796841, now seen corresponding path program 6 times [2024-07-22 16:41:38,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:38,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691216174] [2024-07-22 16:41:38,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:38,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:38,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:38,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691216174] [2024-07-22 16:41:38,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691216174] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 16:41:38,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520796540] [2024-07-22 16:41:38,755 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-22 16:41:38,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:38,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:41:38,757 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 16:41:38,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-22 16:41:38,806 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-07-22 16:41:38,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 16:41:38,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2024-07-22 16:41:38,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 16:41:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:38,870 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 16:41:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:39,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520796540] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 16:41:39,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 16:41:39,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 24 [2024-07-22 16:41:39,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326311323] [2024-07-22 16:41:39,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 16:41:39,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-07-22 16:41:39,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:39,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-07-22 16:41:39,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=462, Unknown=0, NotChecked=0, Total=600 [2024-07-22 16:41:39,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:39,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:39,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.16) internal successors, (79), 24 states have internal predecessors, (79), 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 16:41:39,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:39,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:39,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-07-22 16:41:39,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-22 16:41:40,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:40,040 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:40,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:40,041 INFO L85 PathProgramCache]: Analyzing trace with hash 510925216, now seen corresponding path program 7 times [2024-07-22 16:41:40,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:40,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819438325] [2024-07-22 16:41:40,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:40,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 250 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 16:41:40,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:40,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819438325] [2024-07-22 16:41:40,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819438325] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 16:41:40,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085991631] [2024-07-22 16:41:40,358 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-22 16:41:40,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:40,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:41:40,361 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 16:41:40,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-22 16:41:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:40,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 25 conjunts are in the unsatisfiable core [2024-07-22 16:41:40,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 16:41:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 250 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 16:41:40,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 16:41:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 250 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 16:41:40,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085991631] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 16:41:40,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 16:41:40,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 44 [2024-07-22 16:41:40,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528109002] [2024-07-22 16:41:40,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 16:41:40,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-07-22 16:41:40,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:40,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-07-22 16:41:40,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=1544, Unknown=0, NotChecked=0, Total=1980 [2024-07-22 16:41:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:40,875 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:40,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.1333333333333333) internal successors, (141), 44 states have internal predecessors, (141), 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 16:41:40,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:40,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:40,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:40,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:40,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:40,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:40,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:40,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-07-22 16:41:40,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:42,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:42,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:42,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:42,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:42,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:42,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-07-22 16:41:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-22 16:41:42,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-07-22 16:41:42,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-07-22 16:41:42,228 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:42,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:42,229 INFO L85 PathProgramCache]: Analyzing trace with hash -758286624, now seen corresponding path program 8 times [2024-07-22 16:41:42,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:42,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004561222] [2024-07-22 16:41:42,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:42,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:42,551 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:42,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:42,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004561222] [2024-07-22 16:41:42,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004561222] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 16:41:42,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768461428] [2024-07-22 16:41:42,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 16:41:42,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:42,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:41:42,553 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 16:41:42,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-22 16:41:42,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 16:41:42,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 16:41:42,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 26 conjunts are in the unsatisfiable core [2024-07-22 16:41:42,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 16:41:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:42,703 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 16:41:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:42,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768461428] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 16:41:42,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 16:41:42,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 46 [2024-07-22 16:41:42,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957885989] [2024-07-22 16:41:42,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 16:41:42,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-07-22 16:41:42,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:43,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-07-22 16:41:43,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1682, Unknown=0, NotChecked=0, Total=2162 [2024-07-22 16:41:43,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:43,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:43,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.0425531914893615) internal successors, (143), 46 states have internal predecessors, (143), 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 16:41:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-07-22 16:41:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-07-22 16:41:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-07-22 16:41:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-22 16:41:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-07-22 16:41:44,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-07-22 16:41:44,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:44,573 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 16:41:44,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:41:44,573 INFO L85 PathProgramCache]: Analyzing trace with hash 687767500, now seen corresponding path program 1 times [2024-07-22 16:41:44,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:41:44,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759410300] [2024-07-22 16:41:44,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:44,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:41:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 244 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:44,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:41:44,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759410300] [2024-07-22 16:41:44,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759410300] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 16:41:44,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166034531] [2024-07-22 16:41:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:41:44,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:44,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:41:44,698 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 16:41:44,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-22 16:41:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:41:44,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 12 conjunts are in the unsatisfiable core [2024-07-22 16:41:44,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 16:41:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:41:44,802 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 16:41:44,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166034531] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 16:41:44,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 16:41:44,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 14 [2024-07-22 16:41:44,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994307557] [2024-07-22 16:41:44,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 16:41:44,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-07-22 16:41:44,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:41:44,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-07-22 16:41:44,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2024-07-22 16:41:44,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:44,805 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:41:44,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 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 16:41:44,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:44,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:44,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:44,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:44,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:44,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:44,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:44,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-07-22 16:41:44,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-07-22 16:41:44,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-07-22 16:41:44,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:41:47,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:41:47,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 16:41:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 16:41:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 16:41:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 16:41:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-07-22 16:41:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-22 16:41:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-07-22 16:41:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-22 16:41:47,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-07-22 16:41:47,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-07-22 16:41:47,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-07-22 16:41:47,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-07-22 16:41:47,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-07-22 16:41:47,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-07-22 16:41:47,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:41:47,254 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1] [2024-07-22 16:41:47,256 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 16:41:47,256 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 16:41:47,258 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-22 16:41:47,258 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-22 16:41:47,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 04:41:47 BasicIcfg [2024-07-22 16:41:47,259 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 16:41:47,259 INFO L158 Benchmark]: Toolchain (without parser) took 14812.51ms. Allocated memory was 127.9MB in the beginning and 899.7MB in the end (delta: 771.8MB). Free memory was 50.8MB in the beginning and 609.4MB in the end (delta: -558.5MB). Peak memory consumption was 256.1MB. Max. memory is 16.1GB. [2024-07-22 16:41:47,259 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 16:41:47,259 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 16:41:47,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.58ms. Allocated memory is still 127.9MB. Free memory was 50.7MB in the beginning and 78.2MB in the end (delta: -27.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-07-22 16:41:47,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.63ms. Allocated memory is still 127.9MB. Free memory was 78.2MB in the beginning and 76.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 16:41:47,260 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 127.9MB. Free memory was 76.2MB in the beginning and 74.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 16:41:47,260 INFO L158 Benchmark]: RCFGBuilder took 405.72ms. Allocated memory is still 127.9MB. Free memory was 74.6MB in the beginning and 82.3MB in the end (delta: -7.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-07-22 16:41:47,261 INFO L158 Benchmark]: TraceAbstraction took 13973.95ms. Allocated memory was 127.9MB in the beginning and 899.7MB in the end (delta: 771.8MB). Free memory was 81.8MB in the beginning and 609.4MB in the end (delta: -527.6MB). Peak memory consumption was 285.1MB. Max. memory is 16.1GB. [2024-07-22 16:41:47,262 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 0.17ms. Allocated memory is still 127.9MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.58ms. Allocated memory is still 127.9MB. Free memory was 50.7MB in the beginning and 78.2MB in the end (delta: -27.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.63ms. Allocated memory is still 127.9MB. Free memory was 78.2MB in the beginning and 76.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 127.9MB. Free memory was 76.2MB in the beginning and 74.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.72ms. Allocated memory is still 127.9MB. Free memory was 74.6MB in the beginning and 82.3MB in the end (delta: -7.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13973.95ms. Allocated memory was 127.9MB in the beginning and 899.7MB in the end (delta: 771.8MB). Free memory was 81.8MB in the beginning and 609.4MB in the end (delta: -527.6MB). Peak memory consumption was 285.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 502948, independent: 427124, independent conditional: 426808, independent unconditional: 316, dependent: 75824, dependent conditional: 75810, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 436713, independent: 427124, independent conditional: 426808, independent unconditional: 316, dependent: 9589, dependent conditional: 9575, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 436713, independent: 427124, independent conditional: 426808, independent unconditional: 316, dependent: 9589, dependent conditional: 9575, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 550440, independent: 427124, independent conditional: 32547, independent unconditional: 394577, dependent: 123316, dependent conditional: 81180, dependent unconditional: 42136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 550440, independent: 427124, independent conditional: 32547, independent unconditional: 394577, dependent: 123316, dependent conditional: 39035, dependent unconditional: 84281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 550440, independent: 427124, independent conditional: 32547, independent unconditional: 394577, dependent: 123316, dependent conditional: 39035, dependent unconditional: 84281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 837, independent: 484, independent conditional: 196, independent unconditional: 288, dependent: 353, dependent conditional: 339, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 837, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 554, dependent conditional: 0, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 554, independent: 201, independent conditional: 196, independent unconditional: 5, dependent: 353, dependent conditional: 339, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 554, independent: 201, independent conditional: 196, independent unconditional: 5, dependent: 353, dependent conditional: 339, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 705, independent: 313, independent conditional: 262, independent unconditional: 51, dependent: 392, dependent conditional: 358, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 550440, independent: 426640, independent conditional: 32351, independent unconditional: 394289, dependent: 122963, dependent conditional: 38696, dependent unconditional: 84267, unknown: 837, unknown conditional: 535, unknown unconditional: 302] , Statistics on independence cache: Total cache size (in pairs): 837, Positive cache size: 484, Positive conditional cache size: 196, Positive unconditional cache size: 288, Negative cache size: 353, Negative conditional cache size: 339, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42145, Maximal queried relation: 11, Independence queries for same thread: 66235 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 129, Number of trivial persistent sets: 99, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 330, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 502948, independent: 427124, independent conditional: 426808, independent unconditional: 316, dependent: 75824, dependent conditional: 75810, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 436713, independent: 427124, independent conditional: 426808, independent unconditional: 316, dependent: 9589, dependent conditional: 9575, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 436713, independent: 427124, independent conditional: 426808, independent unconditional: 316, dependent: 9589, dependent conditional: 9575, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 550440, independent: 427124, independent conditional: 32547, independent unconditional: 394577, dependent: 123316, dependent conditional: 81180, dependent unconditional: 42136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 550440, independent: 427124, independent conditional: 32547, independent unconditional: 394577, dependent: 123316, dependent conditional: 39035, dependent unconditional: 84281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 550440, independent: 427124, independent conditional: 32547, independent unconditional: 394577, dependent: 123316, dependent conditional: 39035, dependent unconditional: 84281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 837, independent: 484, independent conditional: 196, independent unconditional: 288, dependent: 353, dependent conditional: 339, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 837, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 554, dependent conditional: 0, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 554, independent: 201, independent conditional: 196, independent unconditional: 5, dependent: 353, dependent conditional: 339, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 554, independent: 201, independent conditional: 196, independent unconditional: 5, dependent: 353, dependent conditional: 339, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 705, independent: 313, independent conditional: 262, independent unconditional: 51, dependent: 392, dependent conditional: 358, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 550440, independent: 426640, independent conditional: 32351, independent unconditional: 394289, dependent: 122963, dependent conditional: 38696, dependent unconditional: 84267, unknown: 837, unknown conditional: 535, unknown unconditional: 302] , Statistics on independence cache: Total cache size (in pairs): 837, Positive cache size: 484, Positive conditional cache size: 196, Positive unconditional cache size: 288, Negative cache size: 353, Negative conditional cache size: 339, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42145, Maximal queried relation: 11, Independence queries for same thread: 66235 - PositiveResult [Line: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 715]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 722]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 39 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 7.3s, 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: 232, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 906 NumberOfCodeBlocks, 903 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1157 ConstructedInterpolants, 0 QuantifiedInterpolants, 4409 SizeOfPredicates, 73 NumberOfNonLiveVariables, 1177 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 25 InterpolantComputations, 5 PerfectInterpolantSequences, 1182/3108 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-22 16:41:47,286 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 16:41:47,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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