./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 18:59:21,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 18:59:21,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 18:59:21,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 18:59:21,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 18:59:21,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 18:59:21,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 18:59:21,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 18:59:21,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 18:59:21,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 18:59:21,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 18:59:21,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 18:59:21,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 18:59:21,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 18:59:21,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 18:59:21,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 18:59:21,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 18:59:21,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 18:59:21,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 18:59:21,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 18:59:21,588 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 18:59:21,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 18:59:21,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 18:59:21,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 18:59:21,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 18:59:21,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 18:59:21,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 18:59:21,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 18:59:21,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 18:59:21,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 18:59:21,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 18:59:21,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 18:59:21,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 18:59:21,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 18:59:21,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 18:59:21,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 18:59:21,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 18:59:21,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 18:59:21,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 18:59:21,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 18:59:21,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 18:59:21,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 18:59:21,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 18:59:21,639 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 18:59:21,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 18:59:21,640 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 18:59:21,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 18:59:21,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 18:59:21,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 18:59:21,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 18:59:21,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 18:59:21,642 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 18:59:21,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 18:59:21,643 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 18:59:21,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 18:59:21,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 18:59:21,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 18:59:21,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 18:59:21,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 18:59:21,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 18:59:21,644 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 18:59:21,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 18:59:21,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 18:59:21,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 18:59:21,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 18:59:21,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 18:59:21,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 18:59:21,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 18:59:21,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 18:59:21,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 18:59:21,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 18:59:21,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 18:59:21,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 18:59:21,647 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 18:59:21,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 18:59:21,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 18:59:21,647 INFO L138 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-07-22 18:59:21,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 18:59:21,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 18:59:21,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 18:59:21,877 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 18:59:21,877 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 18:59:21,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-07-22 18:59:21,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c2bc8a2/36c9aa1d1d44480ea79fa40d68063b36/FLAG499974f0e [2022-07-22 18:59:22,397 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 18:59:22,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-07-22 18:59:22,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c2bc8a2/36c9aa1d1d44480ea79fa40d68063b36/FLAG499974f0e [2022-07-22 18:59:22,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c2bc8a2/36c9aa1d1d44480ea79fa40d68063b36 [2022-07-22 18:59:22,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 18:59:22,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 18:59:22,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 18:59:22,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 18:59:22,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 18:59:22,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:59:22" (1/1) ... [2022-07-22 18:59:22,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d3784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:22, skipping insertion in model container [2022-07-22 18:59:22,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:59:22" (1/1) ... [2022-07-22 18:59:22,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 18:59:22,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 18:59:23,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-07-22 18:59:23,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 18:59:23,162 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 18:59:23,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-07-22 18:59:23,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 18:59:23,280 INFO L208 MainTranslator]: Completed translation [2022-07-22 18:59:23,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23 WrapperNode [2022-07-22 18:59:23,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 18:59:23,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 18:59:23,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 18:59:23,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 18:59:23,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (1/1) ... [2022-07-22 18:59:23,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (1/1) ... [2022-07-22 18:59:23,343 INFO L137 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 395 [2022-07-22 18:59:23,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 18:59:23,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 18:59:23,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 18:59:23,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 18:59:23,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (1/1) ... [2022-07-22 18:59:23,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (1/1) ... [2022-07-22 18:59:23,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (1/1) ... [2022-07-22 18:59:23,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (1/1) ... [2022-07-22 18:59:23,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (1/1) ... [2022-07-22 18:59:23,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (1/1) ... [2022-07-22 18:59:23,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (1/1) ... [2022-07-22 18:59:23,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 18:59:23,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 18:59:23,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 18:59:23,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 18:59:23,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (1/1) ... [2022-07-22 18:59:23,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 18:59:23,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 18:59:23,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 18:59:23,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 18:59:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 18:59:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 18:59:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 18:59:23,462 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 18:59:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 18:59:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 18:59:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 18:59:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-07-22 18:59:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-07-22 18:59:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 18:59:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-07-22 18:59:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-07-22 18:59:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-07-22 18:59:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-07-22 18:59:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 18:59:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 18:59:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-07-22 18:59:23,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-07-22 18:59:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 18:59:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 18:59:23,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 18:59:23,612 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 18:59:23,615 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 18:59:26,105 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 18:59:26,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 18:59:26,112 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 18:59:26,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 06:59:26 BoogieIcfgContainer [2022-07-22 18:59:26,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 18:59:26,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 18:59:26,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 18:59:26,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 18:59:26,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 06:59:22" (1/3) ... [2022-07-22 18:59:26,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab29237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 06:59:26, skipping insertion in model container [2022-07-22 18:59:26,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:59:23" (2/3) ... [2022-07-22 18:59:26,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab29237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 06:59:26, skipping insertion in model container [2022-07-22 18:59:26,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 06:59:26" (3/3) ... [2022-07-22 18:59:26,122 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-07-22 18:59:26,134 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 18:59:26,135 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 18:59:26,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 18:59:26,206 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3a033b0a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1f45d6ae [2022-07-22 18:59:26,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 18:59:26,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 73 states have internal predecessors, (96), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-07-22 18:59:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 18:59:26,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:59:26,227 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:59:26,228 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 18:59:26,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:59:26,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1875977801, now seen corresponding path program 1 times [2022-07-22 18:59:26,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:59:26,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437604821] [2022-07-22 18:59:26,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:59:26,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:59:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 18:59:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 18:59:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 18:59:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 18:59:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 18:59:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 18:59:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 18:59:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 18:59:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 18:59:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-22 18:59:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 18:59:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 18:59:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 18:59:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 18:59:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 18:59:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 18:59:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 18:59:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-22 18:59:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-07-22 18:59:27,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:59:27,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437604821] [2022-07-22 18:59:27,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437604821] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:59:27,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:59:27,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 18:59:27,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560110101] [2022-07-22 18:59:27,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:59:27,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 18:59:27,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:59:27,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 18:59:27,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:59:27,302 INFO L87 Difference]: Start difference. First operand has 111 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 73 states have internal predecessors, (96), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-22 18:59:27,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:59:27,377 INFO L93 Difference]: Finished difference Result 224 states and 356 transitions. [2022-07-22 18:59:27,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 18:59:27,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2022-07-22 18:59:27,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:59:27,387 INFO L225 Difference]: With dead ends: 224 [2022-07-22 18:59:27,387 INFO L226 Difference]: Without dead ends: 111 [2022-07-22 18:59:27,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:59:27,394 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 4 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:59:27,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 304 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:59:27,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-07-22 18:59:27,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2022-07-22 18:59:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 70 states have internal predecessors, (89), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-07-22 18:59:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2022-07-22 18:59:27,443 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 120 [2022-07-22 18:59:27,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:59:27,443 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2022-07-22 18:59:27,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-22 18:59:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2022-07-22 18:59:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-22 18:59:27,447 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:59:27,447 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:59:27,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 18:59:27,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 18:59:27,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:59:27,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1912175905, now seen corresponding path program 1 times [2022-07-22 18:59:27,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:59:27,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239882791] [2022-07-22 18:59:27,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:59:27,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:59:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 18:59:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 18:59:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 18:59:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 18:59:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-22 18:59:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 18:59:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 18:59:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-22 18:59:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 18:59:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 18:59:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 18:59:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 18:59:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 18:59:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 18:59:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 18:59:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-22 18:59:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-22 18:59:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-22 18:59:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:27,837 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-07-22 18:59:27,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:59:27,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239882791] [2022-07-22 18:59:27,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239882791] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:59:27,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:59:27,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 18:59:27,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045468720] [2022-07-22 18:59:27,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:59:27,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 18:59:27,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:59:27,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 18:59:27,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:59:27,842 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-22 18:59:27,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:59:27,889 INFO L93 Difference]: Finished difference Result 215 states and 306 transitions. [2022-07-22 18:59:27,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 18:59:27,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 123 [2022-07-22 18:59:27,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:59:27,894 INFO L225 Difference]: With dead ends: 215 [2022-07-22 18:59:27,895 INFO L226 Difference]: Without dead ends: 110 [2022-07-22 18:59:27,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:59:27,903 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:59:27,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 297 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:59:27,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-07-22 18:59:27,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2022-07-22 18:59:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 71 states have (on average 1.267605633802817) internal successors, (90), 71 states have internal predecessors, (90), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-07-22 18:59:27,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 154 transitions. [2022-07-22 18:59:27,930 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 154 transitions. Word has length 123 [2022-07-22 18:59:27,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:59:27,930 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 154 transitions. [2022-07-22 18:59:27,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-22 18:59:27,931 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2022-07-22 18:59:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-22 18:59:27,936 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:59:27,938 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:59:27,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 18:59:27,939 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 18:59:27,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:59:27,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1930143839, now seen corresponding path program 1 times [2022-07-22 18:59:27,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:59:27,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273932812] [2022-07-22 18:59:27,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:59:27,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:59:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 18:59:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 18:59:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 18:59:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 18:59:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 18:59:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-22 18:59:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 18:59:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 18:59:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-22 18:59:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-22 18:59:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 18:59:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 18:59:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 18:59:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 18:59:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-22 18:59:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-22 18:59:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-22 18:59:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-22 18:59:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-07-22 18:59:28,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:59:28,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273932812] [2022-07-22 18:59:28,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273932812] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 18:59:28,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135044221] [2022-07-22 18:59:28,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:59:28,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 18:59:28,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 18:59:28,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 18:59:28,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 18:59:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:29,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 4528 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 18:59:29,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 18:59:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-07-22 18:59:29,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 18:59:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-07-22 18:59:30,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135044221] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 18:59:30,026 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 18:59:30,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-07-22 18:59:30,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280852227] [2022-07-22 18:59:30,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 18:59:30,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 18:59:30,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:59:30,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 18:59:30,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-22 18:59:30,029 INFO L87 Difference]: Start difference. First operand 109 states and 154 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-07-22 18:59:30,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:59:30,065 INFO L93 Difference]: Finished difference Result 219 states and 311 transitions. [2022-07-22 18:59:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 18:59:30,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 125 [2022-07-22 18:59:30,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:59:30,067 INFO L225 Difference]: With dead ends: 219 [2022-07-22 18:59:30,067 INFO L226 Difference]: Without dead ends: 113 [2022-07-22 18:59:30,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-22 18:59:30,069 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 3 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:59:30,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 297 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:59:30,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-07-22 18:59:30,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2022-07-22 18:59:30,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 75 states have internal predecessors, (94), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-07-22 18:59:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 158 transitions. [2022-07-22 18:59:30,078 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 158 transitions. Word has length 125 [2022-07-22 18:59:30,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:59:30,079 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 158 transitions. [2022-07-22 18:59:30,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-07-22 18:59:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 158 transitions. [2022-07-22 18:59:30,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-22 18:59:30,081 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:59:30,081 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:59:30,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-22 18:59:30,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 18:59:30,307 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 18:59:30,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:59:30,308 INFO L85 PathProgramCache]: Analyzing trace with hash -28203099, now seen corresponding path program 2 times [2022-07-22 18:59:30,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:59:30,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216793494] [2022-07-22 18:59:30,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:59:30,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:59:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 18:59:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 18:59:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 18:59:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-22 18:59:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 18:59:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 18:59:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-22 18:59:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 18:59:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 18:59:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 18:59:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 18:59:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 18:59:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 18:59:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 18:59:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-22 18:59:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-22 18:59:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-22 18:59:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-22 18:59:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2022-07-22 18:59:30,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:59:30,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216793494] [2022-07-22 18:59:30,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216793494] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 18:59:30,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613238] [2022-07-22 18:59:30,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 18:59:30,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 18:59:30,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 18:59:30,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 18:59:30,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 18:59:32,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 18:59:32,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 18:59:32,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 4196 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 18:59:32,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 18:59:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2022-07-22 18:59:33,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 18:59:33,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613238] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:59:33,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 18:59:33,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-22 18:59:33,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617905048] [2022-07-22 18:59:33,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:59:33,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 18:59:33,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:59:33,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 18:59:33,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 18:59:33,052 INFO L87 Difference]: Start difference. First operand 113 states and 158 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-22 18:59:33,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:59:33,079 INFO L93 Difference]: Finished difference Result 211 states and 302 transitions. [2022-07-22 18:59:33,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 18:59:33,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 129 [2022-07-22 18:59:33,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:59:33,083 INFO L225 Difference]: With dead ends: 211 [2022-07-22 18:59:33,083 INFO L226 Difference]: Without dead ends: 169 [2022-07-22 18:59:33,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-22 18:59:33,085 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 77 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:59:33,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 528 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:59:33,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-07-22 18:59:33,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2022-07-22 18:59:33,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 113 states have (on average 1.2920353982300885) internal successors, (146), 113 states have internal predecessors, (146), 45 states have call successors, (45), 10 states have call predecessors, (45), 10 states have return successors, (49), 45 states have call predecessors, (49), 45 states have call successors, (49) [2022-07-22 18:59:33,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 240 transitions. [2022-07-22 18:59:33,100 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 240 transitions. Word has length 129 [2022-07-22 18:59:33,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:59:33,100 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 240 transitions. [2022-07-22 18:59:33,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-22 18:59:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 240 transitions. [2022-07-22 18:59:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-22 18:59:33,103 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:59:33,104 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:59:33,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-22 18:59:33,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-22 18:59:33,328 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 18:59:33,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:59:33,328 INFO L85 PathProgramCache]: Analyzing trace with hash -993819535, now seen corresponding path program 1 times [2022-07-22 18:59:33,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:59:33,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618971840] [2022-07-22 18:59:33,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:59:33,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:59:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 18:59:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 18:59:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 18:59:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 18:59:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 18:59:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 18:59:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 18:59:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 18:59:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-22 18:59:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-22 18:59:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-22 18:59:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-22 18:59:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-22 18:59:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 18:59:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 18:59:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 18:59:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-22 18:59:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-22 18:59:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-22 18:59:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-22 18:59:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-22 18:59:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-22 18:59:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-22 18:59:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-22 18:59:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-22 18:59:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:33,995 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2022-07-22 18:59:33,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:59:33,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618971840] [2022-07-22 18:59:33,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618971840] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 18:59:33,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033855655] [2022-07-22 18:59:33,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:59:33,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 18:59:33,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 18:59:33,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 18:59:34,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 18:59:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:35,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 4997 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 18:59:35,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 18:59:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2022-07-22 18:59:35,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 18:59:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2022-07-22 18:59:36,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033855655] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 18:59:36,083 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 18:59:36,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 10 [2022-07-22 18:59:36,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257952163] [2022-07-22 18:59:36,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 18:59:36,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 18:59:36,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:59:36,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 18:59:36,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-22 18:59:36,085 INFO L87 Difference]: Start difference. First operand 169 states and 240 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (62), 6 states have call predecessors, (62), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-22 18:59:38,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 18:59:40,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 18:59:40,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:59:40,610 INFO L93 Difference]: Finished difference Result 354 states and 502 transitions. [2022-07-22 18:59:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 18:59:40,610 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (62), 6 states have call predecessors, (62), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 206 [2022-07-22 18:59:40,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:59:40,612 INFO L225 Difference]: With dead ends: 354 [2022-07-22 18:59:40,612 INFO L226 Difference]: Without dead ends: 197 [2022-07-22 18:59:40,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 467 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-07-22 18:59:40,614 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 79 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 139 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:59:40,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 351 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 268 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2022-07-22 18:59:40,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-07-22 18:59:40,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 192. [2022-07-22 18:59:40,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 134 states have (on average 1.2611940298507462) internal successors, (169), 136 states have internal predecessors, (169), 45 states have call successors, (45), 10 states have call predecessors, (45), 12 states have return successors, (53), 45 states have call predecessors, (53), 45 states have call successors, (53) [2022-07-22 18:59:40,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 267 transitions. [2022-07-22 18:59:40,630 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 267 transitions. Word has length 206 [2022-07-22 18:59:40,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:59:40,631 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 267 transitions. [2022-07-22 18:59:40,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (62), 6 states have call predecessors, (62), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-22 18:59:40,631 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 267 transitions. [2022-07-22 18:59:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-22 18:59:40,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:59:40,634 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 9, 9, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:59:40,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-22 18:59:40,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 18:59:40,860 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 18:59:40,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:59:40,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1193364367, now seen corresponding path program 2 times [2022-07-22 18:59:40,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:59:40,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914499185] [2022-07-22 18:59:40,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:59:40,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:59:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 18:59:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 18:59:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 18:59:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 18:59:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 18:59:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 18:59:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 18:59:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-22 18:59:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-22 18:59:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-22 18:59:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 18:59:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 18:59:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 18:59:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-22 18:59:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-22 18:59:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-22 18:59:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-22 18:59:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-22 18:59:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-22 18:59:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-22 18:59:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-22 18:59:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-22 18:59:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-22 18:59:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-22 18:59:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-22 18:59:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1078 trivial. 0 not checked. [2022-07-22 18:59:42,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:59:42,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914499185] [2022-07-22 18:59:42,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914499185] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 18:59:42,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832895831] [2022-07-22 18:59:42,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 18:59:42,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 18:59:42,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 18:59:42,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 18:59:42,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 18:59:44,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 18:59:44,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 18:59:44,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 4282 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 18:59:44,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 18:59:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2022-07-22 18:59:44,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 18:59:44,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832895831] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:59:44,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 18:59:44,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2022-07-22 18:59:44,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061378090] [2022-07-22 18:59:44,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:59:44,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 18:59:44,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:59:44,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 18:59:44,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-22 18:59:44,850 INFO L87 Difference]: Start difference. First operand 192 states and 267 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-22 18:59:44,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:59:44,865 INFO L93 Difference]: Finished difference Result 344 states and 482 transitions. [2022-07-22 18:59:44,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 18:59:44,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 224 [2022-07-22 18:59:44,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:59:44,867 INFO L225 Difference]: With dead ends: 344 [2022-07-22 18:59:44,868 INFO L226 Difference]: Without dead ends: 192 [2022-07-22 18:59:44,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-22 18:59:44,869 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:59:44,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 298 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:59:44,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-07-22 18:59:44,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2022-07-22 18:59:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 136 states have internal predecessors, (168), 45 states have call successors, (45), 10 states have call predecessors, (45), 12 states have return successors, (53), 45 states have call predecessors, (53), 45 states have call successors, (53) [2022-07-22 18:59:44,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 266 transitions. [2022-07-22 18:59:44,883 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 266 transitions. Word has length 224 [2022-07-22 18:59:44,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:59:44,883 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 266 transitions. [2022-07-22 18:59:44,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-22 18:59:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 266 transitions. [2022-07-22 18:59:44,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-22 18:59:44,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:59:44,886 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 9, 9, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:59:44,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 18:59:45,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 18:59:45,099 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 18:59:45,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:59:45,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1496592282, now seen corresponding path program 1 times [2022-07-22 18:59:45,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:59:45,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960796356] [2022-07-22 18:59:45,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:59:45,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:59:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 18:59:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 18:59:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 18:59:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 18:59:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 18:59:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 18:59:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 18:59:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 18:59:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 18:59:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-22 18:59:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-22 18:59:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-22 18:59:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-22 18:59:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 18:59:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-22 18:59:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 18:59:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 18:59:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-22 18:59:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-22 18:59:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-22 18:59:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-22 18:59:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-22 18:59:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-22 18:59:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-22 18:59:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-22 18:59:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-22 18:59:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-22 18:59:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-07-22 18:59:46,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:59:46,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960796356] [2022-07-22 18:59:46,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960796356] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 18:59:46,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237374362] [2022-07-22 18:59:46,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:59:46,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 18:59:46,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 18:59:46,557 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 18:59:46,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 18:59:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:59:48,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 5430 conjuncts, 28 conjunts are in the unsatisfiable core [2022-07-22 18:59:48,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 18:59:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 374 proven. 21 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2022-07-22 18:59:49,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 18:59:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 17 proven. 19 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2022-07-22 18:59:49,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237374362] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 18:59:49,767 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 18:59:49,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 9] total 26 [2022-07-22 18:59:49,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475402852] [2022-07-22 18:59:49,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 18:59:49,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-22 18:59:49,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:59:49,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-22 18:59:49,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=529, Unknown=0, NotChecked=0, Total=650 [2022-07-22 18:59:49,769 INFO L87 Difference]: Start difference. First operand 192 states and 266 transitions. Second operand has 26 states, 26 states have (on average 4.538461538461538) internal successors, (118), 21 states have internal predecessors, (118), 15 states have call successors, (62), 12 states have call predecessors, (62), 12 states have return successors, (61), 15 states have call predecessors, (61), 15 states have call successors, (61) [2022-07-22 18:59:51,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 18:59:53,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 18:59:55,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 18:59:57,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 19:00:04,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 19:00:04,164 INFO L93 Difference]: Finished difference Result 1037 states and 1615 transitions. [2022-07-22 19:00:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-07-22 19:00:04,165 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.538461538461538) internal successors, (118), 21 states have internal predecessors, (118), 15 states have call successors, (62), 12 states have call predecessors, (62), 12 states have return successors, (61), 15 states have call predecessors, (61), 15 states have call successors, (61) Word has length 244 [2022-07-22 19:00:04,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 19:00:04,174 INFO L225 Difference]: With dead ends: 1037 [2022-07-22 19:00:04,175 INFO L226 Difference]: Without dead ends: 878 [2022-07-22 19:00:04,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 675 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3881 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1769, Invalid=9787, Unknown=0, NotChecked=0, Total=11556 [2022-07-22 19:00:04,184 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 1102 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 2642 mSolverCounterSat, 1395 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 4041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1395 IncrementalHoareTripleChecker+Valid, 2642 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-07-22 19:00:04,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 1094 Invalid, 4041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1395 Valid, 2642 Invalid, 4 Unknown, 0 Unchecked, 11.4s Time] [2022-07-22 19:00:04,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2022-07-22 19:00:04,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 547. [2022-07-22 19:00:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 376 states have (on average 1.25) internal successors, (470), 381 states have internal predecessors, (470), 108 states have call successors, (108), 50 states have call predecessors, (108), 62 states have return successors, (178), 115 states have call predecessors, (178), 108 states have call successors, (178) [2022-07-22 19:00:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 756 transitions. [2022-07-22 19:00:04,258 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 756 transitions. Word has length 244 [2022-07-22 19:00:04,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 19:00:04,259 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 756 transitions. [2022-07-22 19:00:04,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.538461538461538) internal successors, (118), 21 states have internal predecessors, (118), 15 states have call successors, (62), 12 states have call predecessors, (62), 12 states have return successors, (61), 15 states have call predecessors, (61), 15 states have call successors, (61) [2022-07-22 19:00:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 756 transitions. [2022-07-22 19:00:04,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-22 19:00:04,264 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 19:00:04,264 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 9, 9, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 19:00:04,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 19:00:04,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 19:00:04,491 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 19:00:04,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 19:00:04,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1922354694, now seen corresponding path program 1 times [2022-07-22 19:00:04,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 19:00:04,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590529565] [2022-07-22 19:00:04,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:00:04,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 19:00:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 19:00:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:25,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 19:00:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:25,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 19:00:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:25,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 19:00:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 19:00:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:25,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 19:00:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:25,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 19:00:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 19:00:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 19:00:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 19:00:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 19:00:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 19:00:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 19:00:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 19:00:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 19:00:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-22 19:00:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-22 19:00:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-22 19:00:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-22 19:00:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-22 19:00:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-22 19:00:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 19:00:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 19:00:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-22 19:00:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-22 19:00:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-22 19:00:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-22 19:00:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-22 19:00:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-22 19:00:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-22 19:00:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-22 19:00:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-22 19:00:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-22 19:00:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:26,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1195 trivial. 0 not checked. [2022-07-22 19:00:26,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 19:00:26,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590529565] [2022-07-22 19:00:26,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590529565] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 19:00:26,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115104760] [2022-07-22 19:00:26,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:00:26,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 19:00:26,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 19:00:26,399 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 19:00:26,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 19:00:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:00:29,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 5576 conjuncts, 133 conjunts are in the unsatisfiable core [2022-07-22 19:00:29,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 19:00:30,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 8 [2022-07-22 19:00:31,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:31,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:31,677 INFO L356 Elim1Store]: treesize reduction 156, result has 41.1 percent of original size [2022-07-22 19:00:31,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 442 treesize of output 597 [2022-07-22 19:00:31,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-22 19:00:31,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-22 19:00:31,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-22 19:00:31,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-22 19:00:32,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 19:00:34,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:00:34,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:00:34,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 29 [2022-07-22 19:00:34,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:34,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:00:34,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:00:34,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 94 [2022-07-22 19:00:34,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:34,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:34,874 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:34,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:00:34,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:34,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 803 treesize of output 648 [2022-07-22 19:00:35,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:35,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:35,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:35,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:00:35,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 458 treesize of output 59 [2022-07-22 19:00:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:42,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:42,616 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 19:00:42,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 1353 treesize of output 1315 [2022-07-22 19:00:42,748 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 402 treesize of output 400 [2022-07-22 19:00:42,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 400 treesize of output 398 [2022-07-22 19:00:43,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:43,275 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:43,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:43,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:43,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:43,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:43,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:43,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:46,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,348 INFO L356 Elim1Store]: treesize reduction 74, result has 32.1 percent of original size [2022-07-22 19:00:46,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1389 treesize of output 1325 [2022-07-22 19:00:46,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,551 INFO L356 Elim1Store]: treesize reduction 74, result has 32.1 percent of original size [2022-07-22 19:00:46,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1279 treesize of output 1259 [2022-07-22 19:00:46,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,742 INFO L356 Elim1Store]: treesize reduction 84, result has 29.4 percent of original size [2022-07-22 19:00:46,743 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1257 treesize of output 1259 [2022-07-22 19:00:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:00:47,098 INFO L356 Elim1Store]: treesize reduction 72, result has 45.9 percent of original size [2022-07-22 19:00:47,098 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 66 treesize of output 120 [2022-07-22 19:00:47,226 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 402 treesize of output 400 [2022-07-22 19:00:47,335 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 400 treesize of output 398 [2022-07-22 19:00:47,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:47,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:47,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:48,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:48,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:48,038 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:00:48,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:01:01,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 19:01:04,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 40 treesize of output 29 [2022-07-22 19:01:04,329 INFO L356 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-07-22 19:01:04,330 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 47 treesize of output 54 [2022-07-22 19:01:04,545 INFO L356 Elim1Store]: treesize reduction 76, result has 49.0 percent of original size [2022-07-22 19:01:04,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 232 treesize of output 556 [2022-07-22 19:01:05,031 INFO L356 Elim1Store]: treesize reduction 360, result has 23.1 percent of original size [2022-07-22 19:01:05,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 10 case distinctions, treesize of input 288 treesize of output 520 [2022-07-22 19:01:05,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:01:05,956 INFO L356 Elim1Store]: treesize reduction 409, result has 1.2 percent of original size [2022-07-22 19:01:05,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 10 case distinctions, treesize of input 288 treesize of output 418 [2022-07-22 19:01:06,475 INFO L356 Elim1Store]: treesize reduction 372, result has 20.5 percent of original size [2022-07-22 19:01:06,476 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 10 case distinctions, treesize of input 288 treesize of output 508 [2022-07-22 19:01:10,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:10,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:10,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:10,547 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 134 treesize of output 71 [2022-07-22 19:01:10,774 INFO L356 Elim1Store]: treesize reduction 100, result has 1.0 percent of original size [2022-07-22 19:01:10,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 119 treesize of output 101 [2022-07-22 19:01:10,835 INFO L356 Elim1Store]: treesize reduction 100, result has 1.0 percent of original size [2022-07-22 19:01:10,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 119 treesize of output 101 [2022-07-22 19:01:10,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:11,001 INFO L356 Elim1Store]: treesize reduction 295, result has 24.2 percent of original size [2022-07-22 19:01:11,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 150 treesize of output 223 [2022-07-22 19:01:11,160 INFO L356 Elim1Store]: treesize reduction 100, result has 1.0 percent of original size [2022-07-22 19:01:11,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 119 treesize of output 101 [2022-07-22 19:01:11,287 INFO L356 Elim1Store]: treesize reduction 269, result has 10.3 percent of original size [2022-07-22 19:01:11,288 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 465 treesize of output 437 [2022-07-22 19:01:13,496 INFO L356 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-07-22 19:01:13,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 70 treesize of output 3 [2022-07-22 19:01:14,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:14,789 INFO L356 Elim1Store]: treesize reduction 125, result has 38.1 percent of original size [2022-07-22 19:01:14,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 176 treesize of output 166 [2022-07-22 19:01:15,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:15,053 INFO L356 Elim1Store]: treesize reduction 77, result has 25.2 percent of original size [2022-07-22 19:01:15,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 150 treesize of output 90 [2022-07-22 19:01:15,266 INFO L356 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-07-22 19:01:15,267 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 70 treesize of output 3 [2022-07-22 19:01:15,399 INFO L356 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-07-22 19:01:15,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 70 treesize of output 3 [2022-07-22 19:01:15,463 INFO L356 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-07-22 19:01:15,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 64 treesize of output 61 [2022-07-22 19:01:15,906 INFO L356 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-07-22 19:01:15,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 57 [2022-07-22 19:01:16,177 INFO L356 Elim1Store]: treesize reduction 70, result has 6.7 percent of original size [2022-07-22 19:01:16,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 160 treesize of output 156 [2022-07-22 19:01:16,277 INFO L356 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-07-22 19:01:16,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 64 treesize of output 3 [2022-07-22 19:01:16,792 INFO L356 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-07-22 19:01:16,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 57 treesize of output 64 [2022-07-22 19:01:17,048 INFO L356 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-07-22 19:01:17,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 79 treesize of output 66 [2022-07-22 19:01:17,614 INFO L356 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-07-22 19:01:17,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 80 treesize of output 74 [2022-07-22 19:01:17,902 INFO L356 Elim1Store]: treesize reduction 76, result has 49.0 percent of original size [2022-07-22 19:01:17,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 232 treesize of output 556 [2022-07-22 19:01:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:01:18,503 INFO L356 Elim1Store]: treesize reduction 397, result has 4.1 percent of original size [2022-07-22 19:01:18,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 10 case distinctions, treesize of input 427 treesize of output 563 [2022-07-22 19:01:19,045 INFO L356 Elim1Store]: treesize reduction 451, result has 3.6 percent of original size [2022-07-22 19:01:19,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 10 case distinctions, treesize of input 427 treesize of output 563 [2022-07-22 19:01:20,051 INFO L356 Elim1Store]: treesize reduction 451, result has 3.6 percent of original size [2022-07-22 19:01:20,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 10 case distinctions, treesize of input 427 treesize of output 563 [2022-07-22 19:01:25,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:27,164 INFO L356 Elim1Store]: treesize reduction 927, result has 23.5 percent of original size [2022-07-22 19:01:27,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 880 treesize of output 2553 [2022-07-22 19:01:31,795 INFO L356 Elim1Store]: treesize reduction 1524, result has 1.8 percent of original size [2022-07-22 19:01:31,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 17 case distinctions, treesize of input 6157 treesize of output 8349 [2022-07-22 19:01:32,788 INFO L356 Elim1Store]: treesize reduction 198, result has 16.5 percent of original size [2022-07-22 19:01:32,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 185 treesize of output 223 [2022-07-22 19:01:32,866 INFO L356 Elim1Store]: treesize reduction 283, result has 9.9 percent of original size [2022-07-22 19:01:32,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 514 treesize of output 500 [2022-07-22 19:01:33,027 INFO L356 Elim1Store]: treesize reduction 198, result has 16.5 percent of original size [2022-07-22 19:01:33,027 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 185 treesize of output 223 [2022-07-22 19:01:33,069 INFO L356 Elim1Store]: treesize reduction 130, result has 0.8 percent of original size [2022-07-22 19:01:33,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 185 treesize of output 165 [2022-07-22 19:01:33,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:33,549 INFO L356 Elim1Store]: treesize reduction 113, result has 0.9 percent of original size [2022-07-22 19:01:33,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 182 treesize of output 55 [2022-07-22 19:01:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:01:33,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:01:33,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:01:33,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:34,156 INFO L356 Elim1Store]: treesize reduction 843, result has 12.6 percent of original size [2022-07-22 19:01:34,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 1817 treesize of output 2159 [2022-07-22 19:01:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:01:35,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:35,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 309 treesize of output 274 [2022-07-22 19:01:35,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:01:35,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 309 treesize of output 274 [2022-07-22 19:01:36,233 INFO L356 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2022-07-22 19:01:36,233 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 174 treesize of output 7 [2022-07-22 19:01:36,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 19:01:37,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:01:37,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:01:37,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 19:01:37,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 19:01:37,134 INFO L356 Elim1Store]: treesize reduction 192, result has 13.9 percent of original size [2022-07-22 19:01:37,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 5 case distinctions, treesize of input 283 treesize of output 247 [2022-07-22 19:01:37,341 INFO L356 Elim1Store]: treesize reduction 130, result has 0.8 percent of original size [2022-07-22 19:01:37,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 185 treesize of output 165 [2022-07-22 19:01:37,449 INFO L356 Elim1Store]: treesize reduction 198, result has 16.5 percent of original size [2022-07-22 19:01:37,450 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 185 treesize of output 223 [2022-07-22 19:01:37,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 57 treesize of output 36 [2022-07-22 19:01:37,931 INFO L356 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-07-22 19:01:37,931 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 75 treesize of output 69 [2022-07-22 19:01:38,231 INFO L356 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-07-22 19:01:38,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 42 [2022-07-22 19:01:38,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 40 treesize of output 29 [2022-07-22 19:01:38,514 INFO L356 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2022-07-22 19:01:38,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 80 treesize of output 84 [2022-07-22 19:01:38,660 INFO L356 Elim1Store]: treesize reduction 33, result has 13.2 percent of original size [2022-07-22 19:01:38,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 95 treesize of output 72 [2022-07-22 19:01:38,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 55 treesize of output 29 [2022-07-22 19:01:38,938 INFO L356 Elim1Store]: treesize reduction 57, result has 49.1 percent of original size [2022-07-22 19:01:38,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 163 treesize of output 356