./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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/uthash-2.0.2/uthash_SFH_test9-2.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 cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 23:11:20,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 23:11:20,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 23:11:20,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 23:11:20,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 23:11:20,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 23:11:20,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 23:11:20,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 23:11:20,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 23:11:20,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 23:11:20,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 23:11:20,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 23:11:20,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 23:11:20,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 23:11:20,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 23:11:20,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 23:11:20,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 23:11:20,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 23:11:20,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 23:11:20,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 23:11:20,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 23:11:20,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 23:11:20,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 23:11:20,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 23:11:20,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 23:11:20,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 23:11:20,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 23:11:20,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 23:11:20,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 23:11:20,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 23:11:20,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 23:11:20,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 23:11:20,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 23:11:20,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 23:11:20,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 23:11:20,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 23:11:20,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 23:11:20,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 23:11:20,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 23:11:20,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 23:11:20,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 23:11:20,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 23:11:20,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 23:11:20,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 23:11:20,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 23:11:20,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 23:11:20,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 23:11:20,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 23:11:20,805 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 23:11:20,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 23:11:20,805 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 23:11:20,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 23:11:20,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 23:11:20,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 23:11:20,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 23:11:20,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 23:11:20,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 23:11:20,806 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 23:11:20,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 23:11:20,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 23:11:20,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 23:11:20,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 23:11:20,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 23:11:20,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 23:11:20,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 23:11:20,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 23:11:20,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 23:11:20,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 23:11:20,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 23:11:20,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 23:11:20,809 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 23:11:20,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 23:11:20,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 23:11:20,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 23:11:20,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2021-11-07 23:11:21,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 23:11:21,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 23:11:21,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 23:11:21,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 23:11:21,021 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 23:11:21,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2021-11-07 23:11:21,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fe8b230a/57ae019fa40a4e77b1cedc81d76c4a1b/FLAGe5187c536 [2021-11-07 23:11:21,553 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 23:11:21,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2021-11-07 23:11:21,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fe8b230a/57ae019fa40a4e77b1cedc81d76c4a1b/FLAGe5187c536 [2021-11-07 23:11:21,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fe8b230a/57ae019fa40a4e77b1cedc81d76c4a1b [2021-11-07 23:11:21,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 23:11:21,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 23:11:21,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 23:11:21,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 23:11:21,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 23:11:21,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:11:21" (1/1) ... [2021-11-07 23:11:21,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f7d908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:21, skipping insertion in model container [2021-11-07 23:11:21,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:11:21" (1/1) ... [2021-11-07 23:11:21,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 23:11:21,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 23:11:21,951 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2021-11-07 23:11:22,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2021-11-07 23:11:22,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 23:11:22,091 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 23:11:22,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2021-11-07 23:11:22,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2021-11-07 23:11:22,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 23:11:22,253 INFO L208 MainTranslator]: Completed translation [2021-11-07 23:11:22,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22 WrapperNode [2021-11-07 23:11:22,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 23:11:22,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 23:11:22,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 23:11:22,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 23:11:22,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (1/1) ... [2021-11-07 23:11:22,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (1/1) ... [2021-11-07 23:11:22,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 23:11:22,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 23:11:22,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 23:11:22,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 23:11:22,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (1/1) ... [2021-11-07 23:11:22,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (1/1) ... [2021-11-07 23:11:22,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (1/1) ... [2021-11-07 23:11:22,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (1/1) ... [2021-11-07 23:11:22,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (1/1) ... [2021-11-07 23:11:22,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (1/1) ... [2021-11-07 23:11:22,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (1/1) ... [2021-11-07 23:11:22,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 23:11:22,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 23:11:22,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 23:11:22,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 23:11:22,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (1/1) ... [2021-11-07 23:11:22,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 23:11:22,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 23:11:22,598 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) [2021-11-07 23:11:22,621 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 [2021-11-07 23:11:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 23:11:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 23:11:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 23:11:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 23:11:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 23:11:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 23:11:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 23:11:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 23:11:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 23:11:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 23:11:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 23:11:24,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 23:11:24,750 INFO L299 CfgBuilder]: Removed 1075 assume(true) statements. [2021-11-07 23:11:24,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:11:24 BoogieIcfgContainer [2021-11-07 23:11:24,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 23:11:24,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 23:11:24,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 23:11:24,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 23:11:24,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:11:21" (1/3) ... [2021-11-07 23:11:24,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@424760e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:11:24, skipping insertion in model container [2021-11-07 23:11:24,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:11:22" (2/3) ... [2021-11-07 23:11:24,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@424760e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:11:24, skipping insertion in model container [2021-11-07 23:11:24,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:11:24" (3/3) ... [2021-11-07 23:11:24,758 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-2.i [2021-11-07 23:11:24,761 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 23:11:24,761 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-07 23:11:24,794 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 23:11:24,798 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 23:11:24,799 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-07 23:11:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 23:11:24,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 23:11:24,831 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 23:11:24,832 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-07 23:11:24,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 23:11:24,835 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-07 23:11:24,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 23:11:24,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776869118] [2021-11-07 23:11:24,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:24,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 23:11:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 23:11:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 23:11:24,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 23:11:24,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776869118] [2021-11-07 23:11:24,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776869118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 23:11:24,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 23:11:24,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 23:11:24,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490958025] [2021-11-07 23:11:24,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 23:11:24,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 23:11:24,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 23:11:24,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 23:11:24,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 23:11:24,951 INFO L87 Difference]: Start difference. First operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:25,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 23:11:25,016 INFO L93 Difference]: Finished difference Result 4370 states and 6622 transitions. [2021-11-07 23:11:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 23:11:25,018 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 23:11:25,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 23:11:25,033 INFO L225 Difference]: With dead ends: 4370 [2021-11-07 23:11:25,034 INFO L226 Difference]: Without dead ends: 2153 [2021-11-07 23:11:25,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 23:11:25,068 INFO L933 BasicCegarLoop]: 2744 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 23:11:25,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2744 Invalid, 0 Unknown, 0 Unchecked, 6.32ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 23:11:25,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-07 23:11:25,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-07 23:11:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-07 23:11:25,142 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-07 23:11:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 23:11:25,143 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-07 23:11:25,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-07 23:11:25,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 23:11:25,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 23:11:25,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 23:11:25,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 23:11:25,145 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-07 23:11:25,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 23:11:25,145 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-07 23:11:25,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 23:11:25,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003332014] [2021-11-07 23:11:25,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:25,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 23:11:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 23:11:25,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 23:11:25,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 23:11:25,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003332014] [2021-11-07 23:11:25,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003332014] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 23:11:25,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 23:11:25,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 23:11:25,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824992801] [2021-11-07 23:11:25,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 23:11:25,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 23:11:25,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 23:11:25,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 23:11:25,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 23:11:25,194 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:25,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 23:11:25,513 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-07 23:11:25,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 23:11:25,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-07 23:11:25,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 23:11:25,524 INFO L225 Difference]: With dead ends: 6317 [2021-11-07 23:11:25,524 INFO L226 Difference]: Without dead ends: 4254 [2021-11-07 23:11:25,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.52ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 23:11:25,531 INFO L933 BasicCegarLoop]: 2664 mSDtfsCounter, 2628 mSDsluCounter, 5295 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 191.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 7959 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.32ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 231.42ms IncrementalHoareTripleChecker+Time [2021-11-07 23:11:25,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2628 Valid, 7959 Invalid, 142 Unknown, 0 Unchecked, 17.32ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 231.42ms Time] [2021-11-07 23:11:25,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-07 23:11:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-07 23:11:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:25,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-07 23:11:25,570 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-07 23:11:25,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 23:11:25,570 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-07 23:11:25,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-07 23:11:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 23:11:25,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 23:11:25,579 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-07 23:11:25,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 23:11:25,580 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-07 23:11:25,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 23:11:25,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-07 23:11:25,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 23:11:25,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394473981] [2021-11-07 23:11:25,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:25,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 23:11:25,610 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 23:11:25,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789137350] [2021-11-07 23:11:25,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:25,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:25,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 23:11:25,612 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) [2021-11-07 23:11:25,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 23:11:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 23:11:25,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 23:11:25,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 23:11:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 23:11:25,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 23:11:25,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 23:11:25,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394473981] [2021-11-07 23:11:25,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 23:11:25,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789137350] [2021-11-07 23:11:25,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789137350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 23:11:25,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 23:11:25,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 23:11:25,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022946911] [2021-11-07 23:11:25,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 23:11:25,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 23:11:25,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 23:11:25,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 23:11:25,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 23:11:25,949 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:26,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 23:11:26,015 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-07 23:11:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 23:11:26,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 23:11:26,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 23:11:26,021 INFO L225 Difference]: With dead ends: 4327 [2021-11-07 23:11:26,021 INFO L226 Difference]: Without dead ends: 2176 [2021-11-07 23:11:26,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 23:11:26,024 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.48ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.95ms IncrementalHoareTripleChecker+Time [2021-11-07 23:11:26,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 4.48ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 39.95ms Time] [2021-11-07 23:11:26,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-07 23:11:26,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-07 23:11:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-07 23:11:26,052 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-07 23:11:26,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 23:11:26,052 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-07 23:11:26,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:26,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-07 23:11:26,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 23:11:26,054 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 23:11:26,054 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-07 23:11:26,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 23:11:26,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:26,272 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-07 23:11:26,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 23:11:26,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-07 23:11:26,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 23:11:26,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756969481] [2021-11-07 23:11:26,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:26,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 23:11:26,288 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 23:11:26,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611465350] [2021-11-07 23:11:26,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:26,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:26,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 23:11:26,290 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) [2021-11-07 23:11:26,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 23:11:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 23:11:26,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 23:11:26,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 23:11:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 23:11:26,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 23:11:26,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 23:11:26,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756969481] [2021-11-07 23:11:26,539 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 23:11:26,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611465350] [2021-11-07 23:11:26,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611465350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 23:11:26,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 23:11:26,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 23:11:26,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722596638] [2021-11-07 23:11:26,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 23:11:26,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 23:11:26,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 23:11:26,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 23:11:26,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 23:11:26,541 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:26,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 23:11:26,606 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-07 23:11:26,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 23:11:26,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 23:11:26,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 23:11:26,612 INFO L225 Difference]: With dead ends: 4258 [2021-11-07 23:11:26,612 INFO L226 Difference]: Without dead ends: 2196 [2021-11-07 23:11:26,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.25ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 23:11:26,616 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.31ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.14ms IncrementalHoareTripleChecker+Time [2021-11-07 23:11:26,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 4.31ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 39.14ms Time] [2021-11-07 23:11:26,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-07 23:11:26,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-07 23:11:26,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:26,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-07 23:11:26,647 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-07 23:11:26,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 23:11:26,648 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-07 23:11:26,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-07 23:11:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 23:11:26,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 23:11:26,649 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-07 23:11:26,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 23:11:26,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-07 23:11:26,863 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-07 23:11:26,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 23:11:26,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-07 23:11:26,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 23:11:26,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845913547] [2021-11-07 23:11:26,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:26,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 23:11:26,875 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 23:11:26,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2017459644] [2021-11-07 23:11:26,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:26,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:26,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 23:11:26,877 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) [2021-11-07 23:11:26,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 23:11:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 23:11:27,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 23:11:27,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 23:11:27,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 23:11:27,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 23:11:27,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 23:11:27,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845913547] [2021-11-07 23:11:27,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 23:11:27,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017459644] [2021-11-07 23:11:27,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017459644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 23:11:27,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 23:11:27,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 23:11:27,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517871360] [2021-11-07 23:11:27,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 23:11:27,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 23:11:27,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 23:11:27,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 23:11:27,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 23:11:27,172 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:27,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 23:11:27,240 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-07 23:11:27,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 23:11:27,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 23:11:27,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 23:11:27,246 INFO L225 Difference]: With dead ends: 4378 [2021-11-07 23:11:27,246 INFO L226 Difference]: Without dead ends: 2187 [2021-11-07 23:11:27,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.96ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 23:11:27,250 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 2688 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.67ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.04ms IncrementalHoareTripleChecker+Time [2021-11-07 23:11:27,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2688 Valid, 5356 Invalid, 66 Unknown, 0 Unchecked, 5.67ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 36.04ms Time] [2021-11-07 23:11:27,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-07 23:11:27,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-07 23:11:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-07 23:11:27,276 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-07 23:11:27,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 23:11:27,276 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-07 23:11:27,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-07 23:11:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 23:11:27,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 23:11:27,277 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-07 23:11:27,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 23:11:27,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:27,495 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-07 23:11:27,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 23:11:27,496 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-07 23:11:27,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 23:11:27,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703569632] [2021-11-07 23:11:27,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:27,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 23:11:27,507 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 23:11:27,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934687631] [2021-11-07 23:11:27,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:27,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:27,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 23:11:27,508 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) [2021-11-07 23:11:27,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 23:11:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 23:11:27,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 23:11:27,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 23:11:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 23:11:27,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 23:11:27,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 23:11:27,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703569632] [2021-11-07 23:11:27,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 23:11:27,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934687631] [2021-11-07 23:11:27,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934687631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 23:11:27,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 23:11:27,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 23:11:27,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695360512] [2021-11-07 23:11:27,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 23:11:27,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 23:11:27,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 23:11:27,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 23:11:27,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 23:11:27,785 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:27,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 23:11:27,848 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-07 23:11:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 23:11:27,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 23:11:27,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 23:11:27,854 INFO L225 Difference]: With dead ends: 4255 [2021-11-07 23:11:27,854 INFO L226 Difference]: Without dead ends: 2173 [2021-11-07 23:11:27,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.01ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 23:11:27,857 INFO L933 BasicCegarLoop]: 2671 mSDtfsCounter, 2571 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 5446 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.36ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.03ms IncrementalHoareTripleChecker+Time [2021-11-07 23:11:27,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2571 Valid, 5446 Invalid, 66 Unknown, 0 Unchecked, 5.36ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 34.03ms Time] [2021-11-07 23:11:27,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-07 23:11:27,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-07 23:11:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-07 23:11:27,882 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-07 23:11:27,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 23:11:27,883 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-07 23:11:27,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-07 23:11:27,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 23:11:27,884 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 23:11:27,884 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-07 23:11:27,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 23:11:28,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:28,099 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-07 23:11:28,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 23:11:28,100 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-07 23:11:28,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 23:11:28,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990777037] [2021-11-07 23:11:28,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:28,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 23:11:28,110 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 23:11:28,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1725680115] [2021-11-07 23:11:28,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:28,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:28,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 23:11:28,111 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) [2021-11-07 23:11:28,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 23:11:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 23:11:28,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 23:11:28,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 23:11:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 23:11:28,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 23:11:28,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 23:11:28,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990777037] [2021-11-07 23:11:28,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 23:11:28,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725680115] [2021-11-07 23:11:28,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725680115] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 23:11:28,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 23:11:28,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 23:11:28,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884280911] [2021-11-07 23:11:28,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 23:11:28,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 23:11:28,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 23:11:28,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 23:11:28,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 23:11:28,457 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:28,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 23:11:28,549 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-07 23:11:28,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 23:11:28,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 23:11:28,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 23:11:28,559 INFO L225 Difference]: With dead ends: 6426 [2021-11-07 23:11:28,560 INFO L226 Difference]: Without dead ends: 4263 [2021-11-07 23:11:28,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.65ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 23:11:28,565 INFO L933 BasicCegarLoop]: 2727 mSDtfsCounter, 2569 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 5391 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.07ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.15ms IncrementalHoareTripleChecker+Time [2021-11-07 23:11:28,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2569 Valid, 5391 Invalid, 14 Unknown, 0 Unchecked, 8.07ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 40.15ms Time] [2021-11-07 23:11:28,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-07 23:11:28,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-07 23:11:28,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-07 23:11:28,623 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-07 23:11:28,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 23:11:28,623 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-07 23:11:28,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-07 23:11:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 23:11:28,624 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 23:11:28,625 INFO L514 BasicCegarLoop]: trace histogram [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, 1] [2021-11-07 23:11:28,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 23:11:28,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:28,831 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-07 23:11:28,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 23:11:28,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-07 23:11:28,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 23:11:28,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668975945] [2021-11-07 23:11:28,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:28,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 23:11:28,856 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 23:11:28,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [884892391] [2021-11-07 23:11:28,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:28,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:28,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 23:11:28,871 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) [2021-11-07 23:11:28,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 23:11:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 23:11:28,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 23:11:28,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 23:11:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 23:11:29,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 23:11:29,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 23:11:29,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668975945] [2021-11-07 23:11:29,158 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 23:11:29,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884892391] [2021-11-07 23:11:29,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884892391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 23:11:29,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 23:11:29,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 23:11:29,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453874208] [2021-11-07 23:11:29,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 23:11:29,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 23:11:29,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 23:11:29,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 23:11:29,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 23:11:29,160 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:29,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 23:11:29,339 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-07 23:11:29,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 23:11:29,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 23:11:29,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 23:11:29,345 INFO L225 Difference]: With dead ends: 5424 [2021-11-07 23:11:29,345 INFO L226 Difference]: Without dead ends: 2211 [2021-11-07 23:11:29,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.87ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 23:11:29,349 INFO L933 BasicCegarLoop]: 2692 mSDtfsCounter, 5260 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5260 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.78ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 133.31ms IncrementalHoareTripleChecker+Time [2021-11-07 23:11:29,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5260 Valid, 2741 Invalid, 49 Unknown, 0 Unchecked, 5.78ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 133.31ms Time] [2021-11-07 23:11:29,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-07 23:11:29,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-07 23:11:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-07 23:11:29,374 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-07 23:11:29,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 23:11:29,375 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-07 23:11:29,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 23:11:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-07 23:11:29,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 23:11:29,377 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 23:11:29,377 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 23:11:29,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 23:11:29,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:29,595 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-07 23:11:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 23:11:29,596 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-07 23:11:29,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 23:11:29,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266249557] [2021-11-07 23:11:29,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:29,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 23:11:29,605 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 23:11:29,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827262887] [2021-11-07 23:11:29,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 23:11:29,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 23:11:29,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 23:11:29,606 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 23:11:29,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 23:11:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 23:11:29,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 23:11:29,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 23:11:29,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 23:11:29,760 INFO L388 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 6 treesize of output 5 [2021-11-07 23:11:29,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:29,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 23:11:29,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:29,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:29,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:29,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 23:11:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 23:11:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 23:11:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-07 23:11:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-07 23:11:30,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 23:11:30,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-07 23:11:30,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 23:11:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:30,602 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 23:11:30,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 23:11:32,179 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 23:11:32,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-07 23:11:32,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:33,513 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 23:11:33,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-07 23:11:33,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:33,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:33,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:33,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:33,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:38,388 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-07 23:11:38,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2271 [2021-11-07 23:11:38,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:38,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 66 treesize of output 30 [2021-11-07 23:11:39,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 66 treesize of output 30 [2021-11-07 23:11:39,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:39,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:39,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:39,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,321 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-11-07 23:11:39,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 949 treesize of output 443 [2021-11-07 23:11:39,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:39,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 64 treesize of output 28 [2021-11-07 23:11:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:40,639 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-07 23:11:40,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 206 treesize of output 133 [2021-11-07 23:11:40,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:40,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:40,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,016 WARN L227 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 446 DAG size of output: 127 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 23:11:46,017 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-07 23:11:46,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 30 case distinctions, treesize of input 93399 treesize of output 50289 [2021-11-07 23:11:46,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 23:11:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:46,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:46,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,524 INFO L244 Elim1Store]: Index analysis took 199 ms [2021-11-07 23:11:46,532 INFO L354 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2021-11-07 23:11:46,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 1623 treesize of output 743 [2021-11-07 23:11:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:46,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:46,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:46,859 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-11-07 23:11:47,233 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-07 23:11:47,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 1909 treesize of output 1127 [2021-11-07 23:11:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:47,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:47,401 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-07 23:11:47,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 13 case distinctions, treesize of input 66163 treesize of output 52073 [2021-11-07 23:11:47,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:47,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:47,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:47,727 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-07 23:11:47,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 46447 treesize of output 45943 [2021-11-07 23:11:47,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:47,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:47,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:48,043 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-07 23:11:48,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 45937 treesize of output 45433 [2021-11-07 23:11:53,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,288 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-07 23:11:53,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 3804 treesize of output 3596 [2021-11-07 23:11:53,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:53,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:53,425 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-07 23:11:53,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 1553 treesize of output 759 [2021-11-07 23:11:53,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,548 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:11:53,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 133 treesize of output 69 [2021-11-07 23:11:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,600 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:11:53,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 141 treesize of output 73 [2021-11-07 23:11:53,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:53,625 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 23:11:53,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1312 treesize of output 570 [2021-11-07 23:11:53,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:53,645 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 23:11:53,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1184 treesize of output 514 [2021-11-07 23:11:53,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:53,664 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 23:11:53,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1048 treesize of output 542 [2021-11-07 23:11:53,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:53,680 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 23:11:53,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 916 treesize of output 852 [2021-11-07 23:11:53,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:53,693 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 23:11:53,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 780 treesize of output 720 [2021-11-07 23:11:53,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 75 [2021-11-07 23:11:53,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:53,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:53,925 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 23:11:53,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 109 treesize of output 108 [2021-11-07 23:11:54,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,399 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-07 23:11:54,399 INFO L388 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 309 treesize of output 218 [2021-11-07 23:11:54,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:54,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,505 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-07 23:11:54,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 260 treesize of output 256 [2021-11-07 23:11:54,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:11:54,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:11:54,529 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-07 23:11:54,529 INFO L388 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 209 treesize of output 199 [2021-11-07 23:11:54,979 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-07 23:11:54,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 220 treesize of output 388 [2021-11-07 23:11:54,999 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-07 23:11:55,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 364 treesize of output 282 [2021-11-07 23:11:55,065 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 23:11:55,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 270 treesize of output 290 [2021-11-07 23:11:55,075 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:11:55,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 266 treesize of output 254 [2021-11-07 23:12:00,106 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-07 23:12:00,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 272 treesize of output 308 [2021-11-07 23:13:34,639 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 23:13:34,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 347 treesize of output 232 [2021-11-07 23:13:41,093 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-07 23:13:41,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 337 treesize of output 177 [2021-11-07 23:13:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 23:13:41,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 23:13:43,400 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_6 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (or (< (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse2 (select |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse3 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_7))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 999) (< (let ((.cse4 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse4)) (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse4))) v_ULTIMATE.start_main_~_ha_head~0.base_5))) is different from false [2021-11-07 23:13:45,516 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_6 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_10)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~users~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_9)) c_ULTIMATE.start_main_~users~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_7))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 999))))) is different from false [2021-11-07 23:13:47,576 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_6 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_10)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~user~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_9)) c_ULTIMATE.start_main_~user~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_7))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 999))))) is different from false [2021-11-07 23:13:49,797 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_6 Int) (v_DerPreprocessor_10 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_10)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~user~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_9)) c_ULTIMATE.start_main_~user~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_7))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 999))))) is different from false Killed by 15