./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-local/popl20-figure1-alt.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c ./goblint.2024-08-08_07-59-58.files/protection-local/popl20-figure1-alt.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 09:20:55,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 09:20:55,303 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 09:20:55,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 09:20:55,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 09:20:55,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 09:20:55,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 09:20:55,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 09:20:55,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 09:20:55,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 09:20:55,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 09:20:55,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 09:20:55,338 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 09:20:55,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 09:20:55,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 09:20:55,339 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 09:20:55,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 09:20:55,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 09:20:55,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 09:20:55,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 09:20:55,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 09:20:55,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 09:20:55,346 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 09:20:55,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 09:20:55,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 09:20:55,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 09:20:55,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 09:20:55,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 09:20:55,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 09:20:55,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 09:20:55,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 09:20:55,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 09:20:55,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 09:20:55,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 09:20:55,350 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 09:20:55,350 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 09:20:55,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 09:20:55,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 09:20:55,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 09:20:55,351 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 09:20:55,351 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 09:20:55,352 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 09:20:55,352 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 09:20:55,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 09:20:55,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 09:20:55,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 09:20:55,634 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 09:20:55,635 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 09:20:55,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-local/popl20-figure1-alt.wvr.yml/witness.yml [2024-08-14 09:20:55,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 09:20:55,732 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 09:20:55,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-08-14 09:20:57,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 09:20:57,391 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 09:20:57,392 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-08-14 09:20:57,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d48631b92/6f0f7955e41a43d792d186033052de8e/FLAG3c0756122 [2024-08-14 09:20:57,766 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d48631b92/6f0f7955e41a43d792d186033052de8e [2024-08-14 09:20:57,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 09:20:57,768 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 09:20:57,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 09:20:57,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 09:20:57,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 09:20:57,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 09:20:55" (1/2) ... [2024-08-14 09:20:57,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e358f1c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 09:20:57, skipping insertion in model container [2024-08-14 09:20:57,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 09:20:55" (1/2) ... [2024-08-14 09:20:57,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d5e06e6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 09:20:57, skipping insertion in model container [2024-08-14 09:20:57,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 09:20:57" (2/2) ... [2024-08-14 09:20:57,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e358f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:57, skipping insertion in model container [2024-08-14 09:20:57,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 09:20:57" (2/2) ... [2024-08-14 09:20:57,780 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 09:20:57,799 INFO L92 edCorrectnessWitness]: Witness did not contain any usable entries. [2024-08-14 09:20:57,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 09:20:58,024 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2113,2126] [2024-08-14 09:20:58,030 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 09:20:58,040 INFO L202 MainTranslator]: Completed pre-run [2024-08-14 09:20:58,066 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2113,2126] [2024-08-14 09:20:58,072 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 09:20:58,089 INFO L206 MainTranslator]: Completed translation [2024-08-14 09:20:58,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58 WrapperNode [2024-08-14 09:20:58,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 09:20:58,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 09:20:58,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 09:20:58,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 09:20:58,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,126 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-08-14 09:20:58,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 09:20:58,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 09:20:58,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 09:20:58,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 09:20:58,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 09:20:58,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 09:20:58,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 09:20:58,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 09:20:58,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (1/1) ... [2024-08-14 09:20:58,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 09:20:58,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:20:58,197 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) [2024-08-14 09:20:58,204 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 [2024-08-14 09:20:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 09:20:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 09:20:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 09:20:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 09:20:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 09:20:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 09:20:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 09:20:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 09:20:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 09:20:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 09:20:58,240 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 09:20:58,321 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 09:20:58,322 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 09:20:58,482 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 09:20:58,482 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 09:20:58,615 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 09:20:58,615 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-08-14 09:20:58,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 09:20:58 BoogieIcfgContainer [2024-08-14 09:20:58,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 09:20:58,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 09:20:58,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 09:20:58,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 09:20:58,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 09:20:55" (1/4) ... [2024-08-14 09:20:58,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75991ff0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 09:20:58, skipping insertion in model container [2024-08-14 09:20:58,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 09:20:57" (2/4) ... [2024-08-14 09:20:58,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75991ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 09:20:58, skipping insertion in model container [2024-08-14 09:20:58,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 09:20:58" (3/4) ... [2024-08-14 09:20:58,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75991ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 09:20:58, skipping insertion in model container [2024-08-14 09:20:58,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 09:20:58" (4/4) ... [2024-08-14 09:20:58,625 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2024-08-14 09:20:58,643 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 09:20:58,644 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 09:20:58,644 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 09:20:58,686 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-14 09:20:58,725 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 09:20:58,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 09:20:58,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:20:58,727 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) [2024-08-14 09:20:58,728 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 [2024-08-14 09:20:58,761 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 09:20:58,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 09:20:58,784 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;@5fd357bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 09:20:58,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-14 09:20:58,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:20:58,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:20:58,927 INFO L85 PathProgramCache]: Analyzing trace with hash 111739381, now seen corresponding path program 1 times [2024-08-14 09:20:58,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:20:58,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923310050] [2024-08-14 09:20:58,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:20:58,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:20:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:20:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:20:59,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:20:59,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923310050] [2024-08-14 09:20:59,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923310050] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:20:59,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467220404] [2024-08-14 09:20:59,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:20:59,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:20:59,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:20:59,738 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) [2024-08-14 09:20:59,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-14 09:20:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:20:59,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-14 09:20:59,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:21:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:00,216 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:21:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:00,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467220404] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:21:00,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:21:00,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2024-08-14 09:21:00,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396655376] [2024-08-14 09:21:00,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:21:00,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-08-14 09:21:00,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:00,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-08-14 09:21:00,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-08-14 09:21:00,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:00,561 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:00,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.72) internal successors, (43), 24 states have internal predecessors, (43), 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) [2024-08-14 09:21:00,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:01,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-14 09:21:01,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-14 09:21:01,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-08-14 09:21:01,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:21:01,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:21:01,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1769255705, now seen corresponding path program 1 times [2024-08-14 09:21:01,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:21:01,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697170923] [2024-08-14 09:21:01,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:01,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:21:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:02,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:21:02,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697170923] [2024-08-14 09:21:02,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697170923] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:21:02,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840241945] [2024-08-14 09:21:02,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:02,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:02,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:21:02,282 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) [2024-08-14 09:21:02,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-14 09:21:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:02,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-14 09:21:02,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:21:02,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:02,747 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:21:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-14 09:21:03,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840241945] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:21:03,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:21:03,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 14] total 37 [2024-08-14 09:21:03,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723078986] [2024-08-14 09:21:03,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:21:03,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-08-14 09:21:03,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:03,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-08-14 09:21:03,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1229, Unknown=0, NotChecked=0, Total=1406 [2024-08-14 09:21:03,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:03,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:03,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.5789473684210527) internal successors, (60), 37 states have internal predecessors, (60), 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) [2024-08-14 09:21:03,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-14 09:21:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:04,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-14 09:21:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-08-14 09:21:04,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-14 09:21:05,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:05,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:21:05,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:21:05,145 INFO L85 PathProgramCache]: Analyzing trace with hash 674039691, now seen corresponding path program 2 times [2024-08-14 09:21:05,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:21:05,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714200723] [2024-08-14 09:21:05,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:05,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:21:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-14 09:21:05,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:21:05,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714200723] [2024-08-14 09:21:05,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714200723] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 09:21:05,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 09:21:05,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 09:21:05,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578838826] [2024-08-14 09:21:05,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 09:21:05,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 09:21:05,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:05,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 09:21:05,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 09:21:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:05,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:05,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-08-14 09:21:05,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-14 09:21:05,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-08-14 09:21:05,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-08-14 09:21:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-08-14 09:21:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:05,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 09:21:05,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:21:05,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:21:05,505 INFO L85 PathProgramCache]: Analyzing trace with hash 443816707, now seen corresponding path program 3 times [2024-08-14 09:21:05,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:21:05,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665475280] [2024-08-14 09:21:05,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:05,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:21:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-08-14 09:21:06,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:21:06,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665475280] [2024-08-14 09:21:06,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665475280] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:21:06,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312275536] [2024-08-14 09:21:06,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 09:21:06,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:06,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:21:06,008 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) [2024-08-14 09:21:06,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-14 09:21:06,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-08-14 09:21:06,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:21:06,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 42 conjunts are in the unsatisfiable core [2024-08-14 09:21:06,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:21:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:06,927 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:21:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 58 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-08-14 09:21:07,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312275536] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:21:07,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:21:07,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 27, 19] total 60 [2024-08-14 09:21:07,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938048490] [2024-08-14 09:21:07,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:21:07,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-08-14 09:21:07,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:07,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-08-14 09:21:07,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=3292, Unknown=0, NotChecked=0, Total=3660 [2024-08-14 09:21:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:07,773 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:07,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.721311475409836) internal successors, (105), 60 states have internal predecessors, (105), 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) [2024-08-14 09:21:07,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-08-14 09:21:07,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-08-14 09:21:07,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:07,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-08-14 09:21:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-08-14 09:21:11,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:11,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-08-14 09:21:11,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-14 09:21:11,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:11,380 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:21:11,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:21:11,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1692201618, now seen corresponding path program 4 times [2024-08-14 09:21:11,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:21:11,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173510214] [2024-08-14 09:21:11,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:11,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:21:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-08-14 09:21:12,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:21:12,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173510214] [2024-08-14 09:21:12,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173510214] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:21:12,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491313341] [2024-08-14 09:21:12,100 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 09:21:12,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:12,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:21:12,102 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) [2024-08-14 09:21:12,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-14 09:21:12,165 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 09:21:12,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:21:12,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 77 conjunts are in the unsatisfiable core [2024-08-14 09:21:12,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:21:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:13,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:21:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 4 proven. 106 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-08-14 09:21:13,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491313341] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:21:13,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:21:13,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 41, 16] total 64 [2024-08-14 09:21:13,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990500842] [2024-08-14 09:21:13,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:21:13,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-08-14 09:21:13,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:13,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-08-14 09:21:13,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=3899, Unknown=0, NotChecked=0, Total=4160 [2024-08-14 09:21:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:13,544 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:13,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.676923076923077) internal successors, (109), 64 states have internal predecessors, (109), 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) [2024-08-14 09:21:13,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-08-14 09:21:13,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-08-14 09:21:13,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:13,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-08-14 09:21:13,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-08-14 09:21:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-08-14 09:21:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-08-14 09:21:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-08-14 09:21:17,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-14 09:21:17,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:17,817 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:21:17,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:21:17,818 INFO L85 PathProgramCache]: Analyzing trace with hash 549771533, now seen corresponding path program 5 times [2024-08-14 09:21:17,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:21:17,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240101014] [2024-08-14 09:21:17,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:17,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:21:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-08-14 09:21:18,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:21:18,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240101014] [2024-08-14 09:21:18,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240101014] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:21:18,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658341542] [2024-08-14 09:21:18,433 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 09:21:18,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:18,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:21:18,436 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) [2024-08-14 09:21:18,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-14 09:21:18,503 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-08-14 09:21:18,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:21:18,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 77 conjunts are in the unsatisfiable core [2024-08-14 09:21:18,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:21:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:19,663 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:21:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-08-14 09:21:19,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658341542] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:21:19,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:21:19,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 41, 14] total 62 [2024-08-14 09:21:19,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668128239] [2024-08-14 09:21:19,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:21:19,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-08-14 09:21:19,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:19,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-08-14 09:21:19,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=3646, Unknown=0, NotChecked=0, Total=3906 [2024-08-14 09:21:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:19,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:19,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.5873015873015872) internal successors, (100), 62 states have internal predecessors, (100), 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) [2024-08-14 09:21:19,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-08-14 09:21:19,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-08-14 09:21:19,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:19,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-08-14 09:21:19,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-08-14 09:21:19,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:24,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-14 09:21:24,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-08-14 09:21:24,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:24,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-08-14 09:21:24,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-08-14 09:21:24,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-08-14 09:21:24,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-14 09:21:24,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:24,651 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:21:24,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:21:24,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1294658581, now seen corresponding path program 6 times [2024-08-14 09:21:24,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:21:24,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810179245] [2024-08-14 09:21:24,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:24,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:21:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-08-14 09:21:25,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:21:25,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810179245] [2024-08-14 09:21:25,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810179245] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:21:25,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301581918] [2024-08-14 09:21:25,326 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-14 09:21:25,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:25,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:21:25,328 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) [2024-08-14 09:21:25,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-14 09:21:25,401 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-08-14 09:21:25,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:21:25,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 89 conjunts are in the unsatisfiable core [2024-08-14 09:21:25,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:21:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:26,603 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:21:27,003 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 102 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-08-14 09:21:27,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301581918] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:21:27,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:21:27,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 47, 15] total 69 [2024-08-14 09:21:27,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873190299] [2024-08-14 09:21:27,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:21:27,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-08-14 09:21:27,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:27,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-08-14 09:21:27,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=4551, Unknown=0, NotChecked=0, Total=4830 [2024-08-14 09:21:27,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:27,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:27,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.6714285714285715) internal successors, (117), 69 states have internal predecessors, (117), 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) [2024-08-14 09:21:27,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-14 09:21:27,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-08-14 09:21:27,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:27,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-08-14 09:21:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-08-14 09:21:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-08-14 09:21:27,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-14 09:21:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-08-14 09:21:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-08-14 09:21:31,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-08-14 09:21:31,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-08-14 09:21:31,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-08-14 09:21:31,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-14 09:21:31,855 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,SelfDestructingSolverStorable6 [2024-08-14 09:21:31,856 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:21:31,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:21:31,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1582485497, now seen corresponding path program 7 times [2024-08-14 09:21:31,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:21:31,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374872950] [2024-08-14 09:21:31,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:31,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:21:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 106 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-08-14 09:21:32,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:21:32,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374872950] [2024-08-14 09:21:32,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374872950] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:21:32,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744654037] [2024-08-14 09:21:32,087 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-14 09:21:32,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:32,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:21:32,089 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) [2024-08-14 09:21:32,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-14 09:21:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:32,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 24 conjunts are in the unsatisfiable core [2024-08-14 09:21:32,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:21:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 106 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-08-14 09:21:32,254 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:21:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 106 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-08-14 09:21:32,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744654037] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:21:32,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:21:32,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-08-14 09:21:32,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868110091] [2024-08-14 09:21:32,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:21:32,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 09:21:32,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:32,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 09:21:32,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-08-14 09:21:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:32,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:32,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-08-14 09:21:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-14 09:21:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-08-14 09:21:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-08-14 09:21:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-08-14 09:21:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-08-14 09:21:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-08-14 09:21:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:32,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-14 09:21:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-08-14 09:21:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-08-14 09:21:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-08-14 09:21:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-08-14 09:21:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-08-14 09:21:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:21:32,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-14 09:21:32,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:32,712 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:21:32,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:21:32,714 INFO L85 PathProgramCache]: Analyzing trace with hash -884091158, now seen corresponding path program 8 times [2024-08-14 09:21:32,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:21:32,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156375536] [2024-08-14 09:21:32,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:32,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:21:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-08-14 09:21:33,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:21:33,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156375536] [2024-08-14 09:21:33,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156375536] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:21:33,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660688493] [2024-08-14 09:21:33,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 09:21:33,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:33,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:21:33,575 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) [2024-08-14 09:21:33,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-14 09:21:33,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 09:21:33,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:21:33,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 113 conjunts are in the unsatisfiable core [2024-08-14 09:21:33,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:21:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:35,544 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:21:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 6 proven. 176 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-08-14 09:21:35,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660688493] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:21:35,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:21:35,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 58, 16] total 81 [2024-08-14 09:21:35,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324493763] [2024-08-14 09:21:35,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:21:35,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-08-14 09:21:35,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:35,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-08-14 09:21:35,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=6319, Unknown=0, NotChecked=0, Total=6642 [2024-08-14 09:21:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:35,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:35,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 1.7073170731707317) internal successors, (140), 81 states have internal predecessors, (140), 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) [2024-08-14 09:21:35,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-14 09:21:35,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-08-14 09:21:35,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:35,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-08-14 09:21:35,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-08-14 09:21:35,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-08-14 09:21:35,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-08-14 09:21:35,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:21:35,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-08-14 09:21:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-08-14 09:21:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-08-14 09:21:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-08-14 09:21:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 09:21:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-08-14 09:21:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:21:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-08-14 09:21:42,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-08-14 09:21:42,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:42,786 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:21:42,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:21:42,787 INFO L85 PathProgramCache]: Analyzing trace with hash -353144721, now seen corresponding path program 2 times [2024-08-14 09:21:42,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:21:42,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284780632] [2024-08-14 09:21:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:42,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:21:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-08-14 09:21:42,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:21:42,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284780632] [2024-08-14 09:21:42,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284780632] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:21:42,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128614337] [2024-08-14 09:21:42,988 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 09:21:42,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:21:42,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:21:42,990 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 09:21:42,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-14 09:21:43,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 09:21:43,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:21:43,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-14 09:21:43,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:21:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:43,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:21:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:43,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128614337] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:21:43,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:21:43,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 39 [2024-08-14 09:21:43,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398680487] [2024-08-14 09:21:43,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:21:43,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-08-14 09:21:43,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:43,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-08-14 09:21:43,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1368, Unknown=0, NotChecked=0, Total=1560 [2024-08-14 09:21:43,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:43,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:43,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 39 states have internal predecessors, (67), 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) [2024-08-14 09:21:43,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-08-14 09:21:43,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-08-14 09:21:43,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:43,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-08-14 09:21:43,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-08-14 09:21:43,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 09:21:43,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-08-14 09:21:43,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:21:43,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-08-14 09:21:43,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-08-14 09:21:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-08-14 09:21:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-08-14 09:21:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-08-14 09:21:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 09:21:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-08-14 09:21:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:21:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-08-14 09:21:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-08-14 09:21:45,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-08-14 09:21:45,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-08-14 09:21:45,456 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:21:45,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:21:45,456 INFO L85 PathProgramCache]: Analyzing trace with hash -231718563, now seen corresponding path program 1 times [2024-08-14 09:21:45,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:21:45,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69604298] [2024-08-14 09:21:45,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:21:45,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:21:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:21:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:21:45,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:21:45,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69604298] [2024-08-14 09:21:45,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69604298] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 09:21:45,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 09:21:45,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 09:21:45,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296496444] [2024-08-14 09:21:45,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 09:21:45,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 09:21:45,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:21:45,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 09:21:45,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-08-14 09:21:45,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:45,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:21:45,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-08-14 09:21:45,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-08-14 09:21:45,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-08-14 09:21:45,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:45,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-08-14 09:21:45,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-08-14 09:21:45,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 09:21:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-08-14 09:21:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:21:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-08-14 09:21:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-08-14 09:21:45,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:21:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-08-14 09:21:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-08-14 09:21:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 09:21:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-08-14 09:21:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-08-14 09:21:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-08-14 09:21:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-08-14 09:21:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:21:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-08-14 09:21:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-08-14 09:21:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 09:21:48,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-08-14 09:21:48,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-08-14 09:21:48,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-08-14 09:21:48,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-08-14 09:21:48,112 INFO L445 BasicCegarLoop]: Path program histogram: [8, 2, 1] [2024-08-14 09:21:48,116 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 09:21:48,116 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 09:21:48,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 09:21:48 BasicIcfg [2024-08-14 09:21:48,121 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 09:21:48,122 INFO L158 Benchmark]: Toolchain (without parser) took 50353.48ms. Allocated memory was 146.8MB in the beginning and 648.0MB in the end (delta: 501.2MB). Free memory was 118.9MB in the beginning and 492.6MB in the end (delta: -373.7MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. [2024-08-14 09:21:48,122 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 113.2MB. Free memory was 71.7MB in the beginning and 71.5MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 09:21:48,122 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 113.2MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 09:21:48,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.16ms. Allocated memory is still 146.8MB. Free memory was 118.7MB in the beginning and 108.9MB in the end (delta: 9.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-08-14 09:21:48,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.13ms. Allocated memory is still 146.8MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 09:21:48,123 INFO L158 Benchmark]: Boogie Preprocessor took 36.42ms. Allocated memory is still 146.8MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 09:21:48,123 INFO L158 Benchmark]: RCFGBuilder took 451.41ms. Allocated memory is still 146.8MB. Free memory was 105.7MB in the beginning and 82.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-14 09:21:48,124 INFO L158 Benchmark]: TraceAbstraction took 49503.37ms. Allocated memory was 146.8MB in the beginning and 648.0MB in the end (delta: 501.2MB). Free memory was 82.6MB in the beginning and 492.6MB in the end (delta: -410.0MB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. [2024-08-14 09:21:48,125 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 0.20ms. Allocated memory is still 113.2MB. Free memory was 71.7MB in the beginning and 71.5MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 113.2MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.16ms. Allocated memory is still 146.8MB. Free memory was 118.7MB in the beginning and 108.9MB in the end (delta: 9.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.13ms. Allocated memory is still 146.8MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.42ms. Allocated memory is still 146.8MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.41ms. Allocated memory is still 146.8MB. Free memory was 105.7MB in the beginning and 82.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 49503.37ms. Allocated memory was 146.8MB in the beginning and 648.0MB in the end (delta: 501.2MB). Free memory was 82.6MB in the beginning and 492.6MB in the end (delta: -410.0MB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4783, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 1384, dependent conditional: 1381, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 548, dependent conditional: 448, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 548, dependent conditional: 448, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 548, dependent conditional: 448, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, independent: 182, independent conditional: 12, independent unconditional: 170, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, independent: 59, independent conditional: 17, independent unconditional: 42, dependent: 62, dependent conditional: 38, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3947, independent: 3217, independent conditional: 32, independent unconditional: 3185, dependent: 527, dependent conditional: 430, dependent unconditional: 97, unknown: 203, unknown conditional: 30, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 182, Positive conditional cache size: 12, Positive unconditional cache size: 170, Negative cache size: 21, Negative conditional cache size: 18, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 10, Independence queries for same thread: 1328 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 65, Number of trivial persistent sets: 51, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 211, independent: 208, independent conditional: 0, independent unconditional: 208, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4783, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 1384, dependent conditional: 1381, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 548, dependent conditional: 448, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 548, dependent conditional: 448, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3947, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 548, dependent conditional: 448, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, independent: 182, independent conditional: 12, independent unconditional: 170, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, independent: 59, independent conditional: 17, independent unconditional: 42, dependent: 62, dependent conditional: 38, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3947, independent: 3217, independent conditional: 32, independent unconditional: 3185, dependent: 527, dependent conditional: 430, dependent unconditional: 97, unknown: 203, unknown conditional: 30, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 182, Positive conditional cache size: 12, Positive unconditional cache size: 170, Negative cache size: 21, Negative conditional cache size: 18, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 10, Independence queries for same thread: 1328 - PositiveResult [Line: 76]: 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, 33 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 49.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 30.7s, 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: 857, 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, 0.4s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 1013 NumberOfCodeBlocks, 1013 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1467 ConstructedInterpolants, 0 QuantifiedInterpolants, 10995 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1467 ConjunctsInSsa, 485 ConjunctsInUnsatCore, 29 InterpolantComputations, 2 PerfectInterpolantSequences, 2239/5134 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 09:21:48,156 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 [2024-08-14 09:21:48,352 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