./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c --full-output --preprocessor.use.memory.slicer true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d2ba6107 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/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-d2ba610-m [2023-11-21 18:25:17,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:17,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-21 18:25:17,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:17,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:25:17,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:17,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:25:17,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:25:17,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:17,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:25:17,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:17,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:17,695 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 18:25:17,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:17,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:17,696 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:17,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:17,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:17,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:17,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:17,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:17,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:17,698 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:17,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:17,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:17,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:17,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 18:25:17,699 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 18:25:17,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:25:17,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:25:17,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:17,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:17,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:17,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 18:25:17,701 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-21 18:25:17,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:17,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:25:17,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 18:25:17,702 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:17,702 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 18:25:17,702 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 18:25:17,703 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 18:25:17,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:17,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:17,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:17,921 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:17,921 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:17,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2023-11-21 18:25:18,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:19,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:19,117 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2023-11-21 18:25:19,124 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ccb6bf433/f036d8aeeeed4d4a81076103df045ae1/FLAGce6685104 [2023-11-21 18:25:19,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ccb6bf433/f036d8aeeeed4d4a81076103df045ae1 [2023-11-21 18:25:19,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:19,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:19,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:19,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:19,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:19,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50da8146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19, skipping insertion in model container [2023-11-21 18:25:19,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:19,352 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2637,2650] [2023-11-21 18:25:19,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:19,375 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:19,390 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2637,2650] [2023-11-21 18:25:19,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:19,402 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:19,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19 WrapperNode [2023-11-21 18:25:19,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:19,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:19,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:19,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:19,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,440 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 203 [2023-11-21 18:25:19,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:19,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:19,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:19,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:19,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,466 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,487 INFO L193 HeapSplitter]: Split 23 memory accesses to 5 slices as follows [2, 2, 2, 2, 15] [2023-11-21 18:25:19,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:19,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:19,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:19,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:19,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (1/1) ... [2023-11-21 18:25:19,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:25:19,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 18:25:19,548 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) [2023-11-21 18:25:19,550 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 [2023-11-21 18:25:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:25:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 18:25:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 18:25:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 18:25:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 18:25:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 18:25:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 18:25:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 18:25:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 18:25:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 18:25:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 18:25:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:25:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:25:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:25:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:25:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:25:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:25:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 18:25:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 18:25:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 18:25:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 18:25:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 18:25:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:25:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:25:19,591 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:25:19,700 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:19,702 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:19,982 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:20,303 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:20,303 INFO L308 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-21 18:25:20,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:20 BoogieIcfgContainer [2023-11-21 18:25:20,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:20,306 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 18:25:20,307 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 18:25:20,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 18:25:20,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 06:25:19" (1/3) ... [2023-11-21 18:25:20,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b55c92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:25:20, skipping insertion in model container [2023-11-21 18:25:20,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:19" (2/3) ... [2023-11-21 18:25:20,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b55c92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:25:20, skipping insertion in model container [2023-11-21 18:25:20,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:20" (3/3) ... [2023-11-21 18:25:20,312 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2023-11-21 18:25:20,319 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 18:25:20,326 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 18:25:20,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 18:25:20,326 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 18:25:20,357 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-21 18:25:20,394 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 18:25:20,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-21 18:25:20,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 18:25:20,396 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) [2023-11-21 18:25:20,406 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 [2023-11-21 18:25:20,426 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-21 18:25:20,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-21 18:25:20,439 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=true, 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;@4cc3e5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 18:25:20,439 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-21 18:25:20,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-21 18:25:20,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:20,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1830467700, now seen corresponding path program 1 times [2023-11-21 18:25:20,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 18:25:20,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600779063] [2023-11-21 18:25:20,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:25:20,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:21,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 18:25:21,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600779063] [2023-11-21 18:25:21,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600779063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 18:25:21,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 18:25:21,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 18:25:21,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590314373] [2023-11-21 18:25:21,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 18:25:21,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 18:25:21,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 18:25:21,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 18:25:21,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 18:25:21,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 18:25:21,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 18:25:21,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 18:25:21,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 18:25:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 18:25:21,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 18:25:21,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-21 18:25:21,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:21,273 INFO L85 PathProgramCache]: Analyzing trace with hash 42232481, now seen corresponding path program 1 times [2023-11-21 18:25:21,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 18:25:21,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668200408] [2023-11-21 18:25:21,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:25:21,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:21,510 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:25:21,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 18:25:21,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668200408] [2023-11-21 18:25:21,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668200408] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 18:25:21,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045037257] [2023-11-21 18:25:21,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:25:21,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 18:25:21,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 18:25:21,592 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) [2023-11-21 18:25:21,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 18:25:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:21,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:21,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:25:21,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 18:25:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:25:21,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045037257] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 18:25:21,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 18:25:21,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-11-21 18:25:21,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529839176] [2023-11-21 18:25:21,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 18:25:21,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-21 18:25:21,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 18:25:21,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-21 18:25:21,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-21 18:25:21,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 18:25:21,850 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 18:25:21,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 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) [2023-11-21 18:25:21,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-21 18:25:21,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 18:25:21,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 18:25:21,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 18:25:21,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:25:22,156 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,SelfDestructingSolverStorable1 [2023-11-21 18:25:22,157 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-21 18:25:22,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:22,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1878774868, now seen corresponding path program 2 times [2023-11-21 18:25:22,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 18:25:22,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340368958] [2023-11-21 18:25:22,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:25:22,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:25:22,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 18:25:22,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340368958] [2023-11-21 18:25:22,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340368958] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 18:25:22,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968531869] [2023-11-21 18:25:22,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 18:25:22,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 18:25:22,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 18:25:22,417 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) [2023-11-21 18:25:22,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 18:25:22,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 18:25:22,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 18:25:22,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:25:22,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:22,686 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:25:22,686 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 18:25:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:25:22,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968531869] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 18:25:22,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 18:25:22,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 20 [2023-11-21 18:25:22,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029359746] [2023-11-21 18:25:22,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 18:25:22,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-21 18:25:22,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 18:25:22,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-21 18:25:22,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2023-11-21 18:25:22,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 18:25:22,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 18:25:22,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 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) [2023-11-21 18:25:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-21 18:25:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 18:25:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 18:25:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 18:25:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 18:25:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-21 18:25:23,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:25:23,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 18:25:23,393 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-21 18:25:23,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:23,393 INFO L85 PathProgramCache]: Analyzing trace with hash 377383859, now seen corresponding path program 1 times [2023-11-21 18:25:23,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 18:25:23,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465413854] [2023-11-21 18:25:23,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:25:23,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:25:23,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 18:25:23,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465413854] [2023-11-21 18:25:23,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465413854] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 18:25:23,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062214137] [2023-11-21 18:25:23,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:25:23,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 18:25:23,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 18:25:23,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 18:25:23,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-21 18:25:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:23,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:25:23,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:25:23,830 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 18:25:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:25:23,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062214137] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 18:25:23,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 18:25:23,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 22 [2023-11-21 18:25:23,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24461979] [2023-11-21 18:25:23,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 18:25:23,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-21 18:25:23,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 18:25:23,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-21 18:25:23,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2023-11-21 18:25:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 18:25:23,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 18:25:23,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 22 states have internal predecessors, (68), 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) [2023-11-21 18:25:23,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-21 18:25:23,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 18:25:23,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-21 18:25:23,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 18:25:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 18:25:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 18:25:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-21 18:25:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 18:25:24,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-21 18:25:24,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 18:25:24,359 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-21 18:25:24,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:24,360 INFO L85 PathProgramCache]: Analyzing trace with hash -117988674, now seen corresponding path program 2 times [2023-11-21 18:25:24,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 18:25:24,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708997678] [2023-11-21 18:25:24,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:25:24,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:28,853 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:25:28,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 18:25:28,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708997678] [2023-11-21 18:25:28,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708997678] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 18:25:28,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007152564] [2023-11-21 18:25:28,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 18:25:28,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 18:25:28,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 18:25:28,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 18:25:28,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-21 18:25:29,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 18:25:29,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 18:25:29,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-21 18:25:29,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:29,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-11-21 18:25:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-21 18:25:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-21 18:25:29,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-21 18:25:29,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-21 18:25:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-21 18:25:29,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-21 18:25:29,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-21 18:25:29,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-21 18:25:29,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-21 18:25:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-21 18:25:29,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-21 18:25:29,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-21 18:25:29,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-21 18:25:29,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-21 18:25:29,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-21 18:25:29,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-21 18:25:29,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-21 18:25:29,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-21 18:25:29,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-21 18:25:29,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-21 18:25:29,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-21 18:25:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-21 18:25:29,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:29,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-21 18:25:29,369 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-21 18:25:29,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 14 [2023-11-21 18:25:29,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 18:25:29,551 INFO L349 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2023-11-21 18:25:29,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2023-11-21 18:25:29,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-21 18:25:29,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-21 18:25:29,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-21 18:25:29,683 INFO L349 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2023-11-21 18:25:29,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 25 [2023-11-21 18:25:29,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-21 18:25:29,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-21 18:25:29,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-21 18:25:30,222 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 18:25:30,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2023-11-21 18:25:30,330 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 18:25:30,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 36 [2023-11-21 18:25:30,436 INFO L349 Elim1Store]: treesize reduction 75, result has 8.5 percent of original size [2023-11-21 18:25:30,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 56 treesize of output 66 [2023-11-21 18:25:30,561 INFO L349 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2023-11-21 18:25:30,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 73 treesize of output 92 [2023-11-21 18:25:30,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:30,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:30,716 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-21 18:25:30,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 96 treesize of output 106 [2023-11-21 18:25:31,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:31,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:31,059 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2023-11-21 18:25:31,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 10 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 18 case distinctions, treesize of input 101 treesize of output 128 [2023-11-21 18:25:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:25:31,756 INFO L327 TraceCheckSpWp]: Computing backward predicates... Killed by 15