./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/protection-local/36_stack_cas_p0_vs_concur.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i ./goblint.2024-08-08_07-59-58.files/protection-local/36_stack_cas_p0_vs_concur.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 18:14:11,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 18:14:11,888 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 18:14:11,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 18:14:11,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 18:14:11,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 18:14:11,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 18:14:11,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 18:14:11,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 18:14:11,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 18:14:11,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 18:14:11,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 18:14:11,911 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 18:14:11,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 18:14:11,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 18:14:11,912 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 18:14:11,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 18:14:11,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 18:14:11,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 18:14:11,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 18:14:11,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 18:14:11,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 18:14:11,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 18:14:11,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 18:14:11,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 18:14:11,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 18:14:11,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 18:14:11,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 18:14:11,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 18:14:11,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 18:14:11,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 18:14:11,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 18:14:11,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 18:14:11,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 18:14:11,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 18:14:11,917 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 18:14:11,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 18:14:11,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 18:14:11,918 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 18:14:11,918 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 18:14:11,918 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 18:14:11,919 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 18:14:11,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-23 18:14:12,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 18:14:12,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 18:14:12,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 18:14:12,150 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 18:14:12,151 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 18:14:12,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-local/36_stack_cas_p0_vs_concur.yml/witness.yml [2024-08-23 18:14:12,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 18:14:12,240 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 18:14:12,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2024-08-23 18:14:13,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 18:14:13,799 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 18:14:13,800 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2024-08-23 18:14:13,813 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/27024d063/8025ff44b3e140b3801fe4b21a2074b7/FLAG42344aded [2024-08-23 18:14:13,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/27024d063/8025ff44b3e140b3801fe4b21a2074b7 [2024-08-23 18:14:13,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 18:14:13,827 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 18:14:13,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 18:14:13,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 18:14:13,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 18:14:13,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 06:14:12" (1/2) ... [2024-08-23 18:14:13,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2935b7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:14:13, skipping insertion in model container [2024-08-23 18:14:13,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 06:14:12" (1/2) ... [2024-08-23 18:14:13,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54452a7a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:14:13, skipping insertion in model container [2024-08-23 18:14:13,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 06:14:13" (2/2) ... [2024-08-23 18:14:13,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2935b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:13, skipping insertion in model container [2024-08-23 18:14:13,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 06:14:13" (2/2) ... [2024-08-23 18:14:13,836 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 18:14:13,862 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 18:14:13,863 INFO L97 edCorrectnessWitness]: Location invariant before [L732-L732] ((((0 <= top) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (top <= 64)) && (next_alloc_idx % 2 == 1) [2024-08-23 18:14:13,863 INFO L97 edCorrectnessWitness]: Location invariant before [L721-L721] ((((0 <= top) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (top <= 64)) && (next_alloc_idx % 2 == 1) [2024-08-23 18:14:13,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 18:14:14,250 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 18:14:14,260 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-08-23 18:14:14,364 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 18:14:14,402 INFO L206 MainTranslator]: Completed translation [2024-08-23 18:14:14,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14 WrapperNode [2024-08-23 18:14:14,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 18:14:14,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 18:14:14,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 18:14:14,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 18:14:14,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,445 INFO L138 Inliner]: procedures = 172, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2024-08-23 18:14:14,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 18:14:14,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 18:14:14,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 18:14:14,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 18:14:14,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 18:14:14,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 18:14:14,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 18:14:14,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 18:14:14,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (1/1) ... [2024-08-23 18:14:14,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 18:14:14,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:14,520 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) [2024-08-23 18:14:14,524 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 [2024-08-23 18:14:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-23 18:14:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-08-23 18:14:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-08-23 18:14:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-23 18:14:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 18:14:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 18:14:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-23 18:14:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-23 18:14:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 18:14:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 18:14:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 18:14:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 18:14:14,555 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 18:14:14,654 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 18:14:14,656 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 18:14:14,805 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 18:14:14,805 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 18:14:14,925 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 18:14:14,926 INFO L319 CfgBuilder]: Removed 3 assume(true) statements. [2024-08-23 18:14:14,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 06:14:14 BoogieIcfgContainer [2024-08-23 18:14:14,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 18:14:14,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 18:14:14,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 18:14:14,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 18:14:14,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 06:14:12" (1/4) ... [2024-08-23 18:14:14,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1696286d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 06:14:14, skipping insertion in model container [2024-08-23 18:14:14,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 06:14:13" (2/4) ... [2024-08-23 18:14:14,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1696286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 06:14:14, skipping insertion in model container [2024-08-23 18:14:14,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:14:14" (3/4) ... [2024-08-23 18:14:14,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1696286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 06:14:14, skipping insertion in model container [2024-08-23 18:14:14,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 06:14:14" (4/4) ... [2024-08-23 18:14:14,938 INFO L112 eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur.i [2024-08-23 18:14:14,964 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 18:14:14,965 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-23 18:14:14,965 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 18:14:15,002 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-23 18:14:15,043 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 18:14:15,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 18:14:15,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:15,045 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) [2024-08-23 18:14:15,047 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 [2024-08-23 18:14:15,072 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 18:14:15,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-08-23 18:14:15,087 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;@2ac65d7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 18:14:15,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-23 18:14:15,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 18:14:15,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 18:14:15,190 INFO L85 PathProgramCache]: Analyzing trace with hash -478759122, now seen corresponding path program 1 times [2024-08-23 18:14:15,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 18:14:15,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656460736] [2024-08-23 18:14:15,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:15,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 18:14:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:16,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:16,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 18:14:16,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656460736] [2024-08-23 18:14:16,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656460736] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 18:14:16,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009753684] [2024-08-23 18:14:16,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:16,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 18:14:16,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:16,401 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) [2024-08-23 18:14:16,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-23 18:14:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:16,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-23 18:14:16,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 18:14:16,616 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-08-23 18:14:16,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-08-23 18:14:16,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 18:14:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:16,721 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 18:14:16,954 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod c_~next_alloc_idx~0 2) 1))) (and (or (< c_~next_alloc_idx~0 65) (and .cse0 (forall ((v_DerPreprocessor_2 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_2) |c_~#top~0.base|) |c_~#top~0.offset|) 64)) (<= c_~next_alloc_idx~0 66) (forall ((v_DerPreprocessor_2 (Array Int Int))) (<= 0 (select (select (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_2) |c_~#top~0.base|) |c_~#top~0.offset|))))) (or (and (forall ((v_DerPreprocessor_1 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_1) |c_~#top~0.base|) |c_~#top~0.offset|) 64)) .cse0 (<= 0 (+ c_~next_alloc_idx~0 1)) (forall ((v_DerPreprocessor_1 (Array Int Int))) (<= 0 (select (select (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_1) |c_~#top~0.base|) |c_~#top~0.offset|)))) (< 64 c_~next_alloc_idx~0)))) is different from false [2024-08-23 18:14:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:17,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009753684] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 18:14:17,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 18:14:17,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 9 [2024-08-23 18:14:17,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001732884] [2024-08-23 18:14:17,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 18:14:17,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-23 18:14:17,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 18:14:17,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-23 18:14:17,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=64, Unknown=1, NotChecked=16, Total=110 [2024-08-23 18:14:17,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:17,392 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 18:14:17,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 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) [2024-08-23 18:14:17,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:17,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 18:14:17,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-23 18:14:17,750 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 [2024-08-23 18:14:17,751 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 18:14:17,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 18:14:17,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1701618891, now seen corresponding path program 1 times [2024-08-23 18:14:17,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 18:14:17,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645386887] [2024-08-23 18:14:17,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:17,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 18:14:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:18,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 18:14:18,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645386887] [2024-08-23 18:14:18,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645386887] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 18:14:18,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383400680] [2024-08-23 18:14:18,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:18,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 18:14:18,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:18,156 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) [2024-08-23 18:14:18,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-23 18:14:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:18,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 23 conjunts are in the unsatisfiable core [2024-08-23 18:14:18,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 18:14:18,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-08-23 18:14:18,389 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-08-23 18:14:18,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 25 [2024-08-23 18:14:18,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:18,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 18:14:18,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 18:14:18,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-08-23 18:14:18,875 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 18:14:18,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2024-08-23 18:14:18,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 112 [2024-08-23 18:14:18,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 88 [2024-08-23 18:14:18,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2024-08-23 18:14:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:19,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383400680] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 18:14:19,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 18:14:19,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 5] total 17 [2024-08-23 18:14:19,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785399592] [2024-08-23 18:14:19,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 18:14:19,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-08-23 18:14:19,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 18:14:19,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-08-23 18:14:19,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-08-23 18:14:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:19,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 18:14:19,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 18 states have internal predecessors, (49), 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) [2024-08-23 18:14:19,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 18:14:19,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 18:14:20,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-23 18:14:20,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-23 18:14:20,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-08-23 18:14:20,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-23 18:14:20,206 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 [2024-08-23 18:14:20,211 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-23 18:14:20,213 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE (1/2) [2024-08-23 18:14:20,215 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 18:14:20,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 18:14:20,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:20,217 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-23 18:14:20,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-08-23 18:14:20,230 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 18:14:20,231 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 18:14:20,231 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;@2ac65d7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 18:14:20,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-23 18:14:20,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 18:14:20,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 18:14:20,307 INFO L85 PathProgramCache]: Analyzing trace with hash -2092115988, now seen corresponding path program 1 times [2024-08-23 18:14:20,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 18:14:20,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197821903] [2024-08-23 18:14:20,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:20,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 18:14:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 18:14:20,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-23 18:14:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 18:14:20,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-23 18:14:20,384 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-23 18:14:20,384 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-08-23 18:14:20,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-23 18:14:20,391 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-23 18:14:20,392 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-08-23 18:14:20,392 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-08-23 18:14:20,393 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-08-23 18:14:20,435 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-23 18:14:20,439 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 18:14:20,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 18:14:20,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:20,444 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-23 18:14:20,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-08-23 18:14:20,452 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 18:14:20,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 18:14:20,452 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;@2ac65d7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 18:14:20,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-23 18:14:20,565 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 18:14:20,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 18:14:20,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1261613336, now seen corresponding path program 1 times [2024-08-23 18:14:20,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 18:14:20,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340506383] [2024-08-23 18:14:20,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:20,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 18:14:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:20,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 18:14:20,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340506383] [2024-08-23 18:14:20,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340506383] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 18:14:20,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343826972] [2024-08-23 18:14:20,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:20,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 18:14:20,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:20,823 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) [2024-08-23 18:14:20,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-23 18:14:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:20,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-23 18:14:20,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 18:14:20,941 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-08-23 18:14:20,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-08-23 18:14:20,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 18:14:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:20,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 18:14:21,134 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod c_~next_alloc_idx~0 2) 1))) (and (or (and .cse0 (<= 0 (+ c_~next_alloc_idx~0 1)) (forall ((v_DerPreprocessor_9 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_thr1Thread1of2ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_9) |c_~#top~0.base|) |c_~#top~0.offset|) 64)) (forall ((v_DerPreprocessor_9 (Array Int Int))) (<= 0 (select (select (store |c_#memory_int| |c_thr1Thread1of2ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_9) |c_~#top~0.base|) |c_~#top~0.offset|)))) (< 64 c_~next_alloc_idx~0)) (or (and (forall ((v_DerPreprocessor_8 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_thr1Thread1of2ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 64)) .cse0 (forall ((v_DerPreprocessor_8 (Array Int Int))) (<= 0 (select (select (store |c_#memory_int| |c_thr1Thread1of2ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|))) (<= c_~next_alloc_idx~0 66)) (< c_~next_alloc_idx~0 65)))) is different from false [2024-08-23 18:14:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:21,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343826972] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 18:14:21,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 18:14:21,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-08-23 18:14:21,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255971116] [2024-08-23 18:14:21,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 18:14:21,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-23 18:14:21,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 18:14:21,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-23 18:14:21,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=64, Unknown=1, NotChecked=16, Total=110 [2024-08-23 18:14:21,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:21,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 18:14:21,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 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) [2024-08-23 18:14:21,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:21,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 18:14:21,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-23 18:14:21,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 18:14:21,844 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 18:14:21,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 18:14:21,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1361663887, now seen corresponding path program 1 times [2024-08-23 18:14:21,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 18:14:21,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317223385] [2024-08-23 18:14:21,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:21,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 18:14:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:22,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 18:14:22,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317223385] [2024-08-23 18:14:22,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317223385] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 18:14:22,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818566882] [2024-08-23 18:14:22,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:22,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 18:14:22,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:22,463 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) [2024-08-23 18:14:22,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-23 18:14:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:22,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 23 conjunts are in the unsatisfiable core [2024-08-23 18:14:22,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 18:14:22,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-08-23 18:14:22,719 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-08-23 18:14:22,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 25 [2024-08-23 18:14:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:22,771 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 18:14:23,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 18:14:23,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 58 [2024-08-23 18:14:23,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 18:14:23,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2024-08-23 18:14:23,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 18:14:23,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 710 treesize of output 715 [2024-08-23 18:14:23,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 183 [2024-08-23 18:14:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:23,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818566882] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 18:14:23,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 18:14:23,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 6] total 20 [2024-08-23 18:14:23,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449804258] [2024-08-23 18:14:23,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 18:14:23,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-08-23 18:14:23,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 18:14:23,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-08-23 18:14:23,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2024-08-23 18:14:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:23,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 18:14:23,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 18:14:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 18:14:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 18:14:23,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 18:14:23,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-23 18:14:23,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 18:14:23,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 18:14:23,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 18:14:23,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1333034736, now seen corresponding path program 1 times [2024-08-23 18:14:23,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 18:14:23,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001550050] [2024-08-23 18:14:23,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:23,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 18:14:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 18:14:24,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-23 18:14:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 18:14:24,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-23 18:14:24,104 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-23 18:14:24,104 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-08-23 18:14:24,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-23 18:14:24,106 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-08-23 18:14:24,109 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-08-23 18:14:24,109 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-08-23 18:14:24,109 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-08-23 18:14:24,206 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-23 18:14:24,212 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 18:14:24,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 18:14:24,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:24,214 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-23 18:14:24,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2024-08-23 18:14:24,221 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 18:14:24,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-08-23 18:14:24,221 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;@2ac65d7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 18:14:24,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-23 18:14:24,408 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 18:14:24,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 18:14:24,409 INFO L85 PathProgramCache]: Analyzing trace with hash -632815509, now seen corresponding path program 1 times [2024-08-23 18:14:24,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 18:14:24,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358874687] [2024-08-23 18:14:24,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:24,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 18:14:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-23 18:14:24,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 18:14:24,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358874687] [2024-08-23 18:14:24,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358874687] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 18:14:24,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269892165] [2024-08-23 18:14:24,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:24,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 18:14:24,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:24,790 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) [2024-08-23 18:14:24,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-23 18:14:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:24,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 35 conjunts are in the unsatisfiable core [2024-08-23 18:14:24,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 18:14:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 18:14:24,980 INFO L349 Elim1Store]: treesize reduction 42, result has 25.0 percent of original size [2024-08-23 18:14:24,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 23 [2024-08-23 18:14:24,992 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-08-23 18:14:24,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 1 [2024-08-23 18:14:25,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-08-23 18:14:25,263 INFO L349 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2024-08-23 18:14:25,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 25 [2024-08-23 18:14:25,337 INFO L349 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2024-08-23 18:14:25,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 40 [2024-08-23 18:14:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:25,866 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 18:14:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:36,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269892165] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 18:14:36,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 18:14:36,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 8] total 18 [2024-08-23 18:14:36,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443021765] [2024-08-23 18:14:36,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 18:14:36,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-08-23 18:14:36,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 18:14:36,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-08-23 18:14:36,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=225, Unknown=7, NotChecked=0, Total=342 [2024-08-23 18:14:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:36,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 18:14:36,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.0) internal successors, (76), 18 states have internal predecessors, (76), 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) [2024-08-23 18:14:36,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:37,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 18:14:37,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-08-23 18:14:37,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 18:14:37,710 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 18:14:37,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 18:14:37,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1161733906, now seen corresponding path program 1 times [2024-08-23 18:14:37,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 18:14:37,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616297181] [2024-08-23 18:14:37,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:37,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 18:14:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-23 18:14:38,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 18:14:38,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616297181] [2024-08-23 18:14:38,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616297181] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 18:14:38,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537893973] [2024-08-23 18:14:38,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:38,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 18:14:38,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:38,106 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) [2024-08-23 18:14:38,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-23 18:14:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:38,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 23 conjunts are in the unsatisfiable core [2024-08-23 18:14:38,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 18:14:38,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-08-23 18:14:38,413 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-08-23 18:14:38,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 25 [2024-08-23 18:14:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-23 18:14:38,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 18:14:38,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 18:14:38,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-08-23 18:14:38,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 18:14:38,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2024-08-23 18:14:39,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 117 [2024-08-23 18:14:39,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:39,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 54 [2024-08-23 18:14:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-23 18:14:39,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537893973] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 18:14:39,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 18:14:39,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 18 [2024-08-23 18:14:39,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154236471] [2024-08-23 18:14:39,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 18:14:39,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-08-23 18:14:39,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 18:14:39,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-08-23 18:14:39,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-08-23 18:14:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:39,171 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 18:14:39,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.9473684210526314) internal successors, (75), 18 states have internal predecessors, (75), 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) [2024-08-23 18:14:39,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 18:14:39,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 18:14:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 18:14:41,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 18:14:41,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-08-23 18:14:41,632 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,SelfDestructingSolverStorable7 [2024-08-23 18:14:41,633 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 18:14:41,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 18:14:41,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1702985878, now seen corresponding path program 1 times [2024-08-23 18:14:41,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 18:14:41,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572874770] [2024-08-23 18:14:41,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:41,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 18:14:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:42,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 18:14:42,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572874770] [2024-08-23 18:14:42,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572874770] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 18:14:42,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302408805] [2024-08-23 18:14:42,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 18:14:42,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 18:14:42,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 18:14:42,628 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 18:14:42,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-23 18:14:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 18:14:42,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 34 conjunts are in the unsatisfiable core [2024-08-23 18:14:42,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 18:14:42,869 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-08-23 18:14:42,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2024-08-23 18:14:42,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-08-23 18:14:43,018 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2024-08-23 18:14:43,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2024-08-23 18:14:43,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 18:14:43,226 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2024-08-23 18:14:43,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 37 [2024-08-23 18:14:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 18:14:43,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 18:14:43,582 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse6 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse5 |c_~#top~0.offset|))) (.cse0 (= (mod c_~next_alloc_idx~0 2) 1)) (.cse2 (<= 1 c_~next_alloc_idx~0)) (.cse3 (<= c_~next_alloc_idx~0 66))) (and (or (let ((.cse1 (select (select (let ((.cse4 (store |c_#memory_int| |c_~#top~0.base| (store .cse5 |c_~#top~0.offset| (select (select |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#newTop~0#1.offset|))))) (store .cse4 |c_thr1Thread2of3ForFork0_push_~#ret~0#1.base| (store (select .cse4 |c_thr1Thread2of3ForFork0_push_~#ret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#ret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|))) (and .cse0 (<= 0 .cse1) (<= .cse1 64) .cse2 .cse3)) (not .cse6)) (or .cse6 (and .cse0 (forall ((v_DerPreprocessor_19 (Array Int Int))) (<= 0 (select (select (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#ret~0#1.base| v_DerPreprocessor_19) |c_~#top~0.base|) |c_~#top~0.offset|))) (forall ((v_DerPreprocessor_19 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#ret~0#1.base| v_DerPreprocessor_19) |c_~#top~0.base|) |c_~#top~0.offset|) 64)) .cse2 .cse3))))) is different from false [2024-08-23 18:14:44,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 18:14:44,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-08-23 18:14:44,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 18:14:44,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2024-08-23 18:14:45,028 INFO L349 Elim1Store]: treesize reduction 60, result has 49.2 percent of original size [2024-08-23 18:14:45,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 2063 treesize of output 2005 [2024-08-23 18:14:45,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 933 treesize of output 917 [2024-08-23 18:14:45,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 909 treesize of output 893 [2024-08-23 18:14:48,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-08-23 18:14:48,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:48,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 90 [2024-08-23 18:14:48,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:48,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:48,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-08-23 18:14:48,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:48,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:48,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-08-23 18:14:48,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:49,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 90 [2024-08-23 18:14:49,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:49,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-08-23 18:14:49,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:49,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:49,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:49,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2024-08-23 18:14:49,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-08-23 18:14:49,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2024-08-23 18:14:49,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:49,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:49,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:49,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2024-08-23 18:14:49,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:51,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-08-23 18:14:51,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:51,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:51,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:51,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-08-23 18:14:51,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 84 [2024-08-23 18:14:51,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-08-23 18:14:51,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2024-08-23 18:14:51,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2024-08-23 18:14:51,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:51,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:51,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-08-23 18:14:51,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:51,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-08-23 18:14:51,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-08-23 18:14:51,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 84 [2024-08-23 18:14:51,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:51,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2024-08-23 18:14:51,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:51,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-08-23 18:14:51,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 Killed by 15