./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_JEN_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 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 21:59:43,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 21:59:43,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 21:59:43,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 21:59:43,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 21:59:43,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 21:59:43,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 21:59:43,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 21:59:43,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 21:59:43,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 21:59:43,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 21:59:43,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 21:59:43,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 21:59:43,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 21:59:43,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 21:59:43,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 21:59:43,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 21:59:43,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 21:59:43,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 21:59:43,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 21:59:43,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 21:59:43,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 21:59:43,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 21:59:43,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 21:59:43,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 21:59:43,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 21:59:43,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 21:59:43,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 21:59:43,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 21:59:43,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 21:59:43,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 21:59:43,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 21:59:43,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 21:59:43,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 21:59:43,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 21:59:43,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 21:59:43,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 21:59:43,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 21:59:43,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 21:59:43,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 21:59:43,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 21:59:43,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 21:59:43,837 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 21:59:43,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 21:59:43,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 21:59:43,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 21:59:43,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 21:59:43,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 21:59:43,839 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 21:59:43,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 21:59:43,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 21:59:43,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 21:59:43,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 21:59:43,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 21:59:43,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 21:59:43,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 21:59:43,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 21:59:43,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 21:59:43,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 21:59:43,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 21:59:43,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 21:59:43,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 21:59:43,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 21:59:43,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 21:59:43,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 21:59:43,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 21:59:43,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 21:59:43,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 21:59:43,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 21:59:43,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 21:59:43,843 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 21:59:43,844 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 21:59:43,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 21:59:43,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 21:59:43,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb [2021-11-07 21:59:43,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 21:59:44,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 21:59:44,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 21:59:44,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 21:59:44,020 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 21:59:44,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2021-11-07 21:59:44,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9524ac6b7/d0ed34d9691c4951af4ebc1de2aef678/FLAG26232935a [2021-11-07 21:59:44,546 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 21:59:44,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2021-11-07 21:59:44,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9524ac6b7/d0ed34d9691c4951af4ebc1de2aef678/FLAG26232935a [2021-11-07 21:59:44,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9524ac6b7/d0ed34d9691c4951af4ebc1de2aef678 [2021-11-07 21:59:44,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 21:59:44,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 21:59:44,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 21:59:44,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 21:59:44,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 21:59:44,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:59:44" (1/1) ... [2021-11-07 21:59:44,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398cbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:44, skipping insertion in model container [2021-11-07 21:59:44,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:59:44" (1/1) ... [2021-11-07 21:59:44,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 21:59:44,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 21:59:45,190 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_JEN_test9-2.i[33021,33034] [2021-11-07 21:59:45,372 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_JEN_test9-2.i[84583,84596] [2021-11-07 21:59:45,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 21:59:45,401 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 21:59:45,430 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_JEN_test9-2.i[33021,33034] [2021-11-07 21:59:45,546 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_JEN_test9-2.i[84583,84596] [2021-11-07 21:59:45,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 21:59:45,580 INFO L208 MainTranslator]: Completed translation [2021-11-07 21:59:45,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45 WrapperNode [2021-11-07 21:59:45,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 21:59:45,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 21:59:45,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 21:59:45,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 21:59:45,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (1/1) ... [2021-11-07 21:59:45,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (1/1) ... [2021-11-07 21:59:45,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 21:59:45,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 21:59:45,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 21:59:45,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 21:59:45,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (1/1) ... [2021-11-07 21:59:45,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (1/1) ... [2021-11-07 21:59:45,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (1/1) ... [2021-11-07 21:59:45,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (1/1) ... [2021-11-07 21:59:45,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (1/1) ... [2021-11-07 21:59:45,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (1/1) ... [2021-11-07 21:59:45,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (1/1) ... [2021-11-07 21:59:45,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 21:59:45,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 21:59:45,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 21:59:45,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 21:59:45,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (1/1) ... [2021-11-07 21:59:45,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 21:59:45,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:59:45,969 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 21:59:45,987 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 21:59:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 21:59:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 21:59:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 21:59:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 21:59:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 21:59:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 21:59:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 21:59:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 21:59:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 21:59:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 21:59:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 21:59:48,081 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 21:59:48,081 INFO L299 CfgBuilder]: Removed 1075 assume(true) statements. [2021-11-07 21:59:48,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:59:48 BoogieIcfgContainer [2021-11-07 21:59:48,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 21:59:48,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 21:59:48,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 21:59:48,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 21:59:48,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:59:44" (1/3) ... [2021-11-07 21:59:48,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d427694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:59:48, skipping insertion in model container [2021-11-07 21:59:48,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:59:45" (2/3) ... [2021-11-07 21:59:48,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d427694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:59:48, skipping insertion in model container [2021-11-07 21:59:48,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:59:48" (3/3) ... [2021-11-07 21:59:48,093 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-2.i [2021-11-07 21:59:48,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 21:59:48,097 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-07 21:59:48,147 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 21:59:48,153 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 21:59:48,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-07 21:59:48,187 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 21:59:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 21:59:48,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:59:48,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:59:48,192 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 21:59:48,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:59:48,196 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-07 21:59:48,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:59:48,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747592114] [2021-11-07 21:59:48,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:48,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:59:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:59:48,305 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 21:59:48,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:59:48,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747592114] [2021-11-07 21:59:48,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747592114] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:59:48,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:59:48,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 21:59:48,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028143369] [2021-11-07 21:59:48,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:59:48,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 21:59:48,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:59:48,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 21:59:48,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 21:59:48,344 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 21:59:48,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:59:48,416 INFO L93 Difference]: Finished difference Result 4370 states and 6622 transitions. [2021-11-07 21:59:48,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 21:59:48,419 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 21:59:48,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:59:48,436 INFO L225 Difference]: With dead ends: 4370 [2021-11-07 21:59:48,436 INFO L226 Difference]: Without dead ends: 2153 [2021-11-07 21:59:48,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 21:59:48,445 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, 6.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 21:59:48,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2744 Invalid, 0 Unknown, 0 Unchecked, 6.79ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 21:59:48,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-07 21:59:48,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-07 21:59:48,522 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 21:59:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-07 21:59:48,528 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-07 21:59:48,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:59:48,528 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-07 21:59:48,528 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 21:59:48,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-07 21:59:48,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 21:59:48,531 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:59:48,531 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 21:59:48,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 21:59:48,531 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 21:59:48,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:59:48,534 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-07 21:59:48,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:59:48,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050812432] [2021-11-07 21:59:48,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:48,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:59:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:59:48,595 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 21:59:48,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:59:48,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050812432] [2021-11-07 21:59:48,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050812432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:59:48,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:59:48,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:59:48,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125931506] [2021-11-07 21:59:48,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:59:48,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:59:48,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:59:48,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:59:48,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:59:48,598 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 21:59:48,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:59:48,883 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-07 21:59:48,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:59:48,883 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 21:59:48,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:59:48,895 INFO L225 Difference]: With dead ends: 6317 [2021-11-07 21:59:48,896 INFO L226 Difference]: Without dead ends: 4254 [2021-11-07 21:59:48,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.53ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:59:48,900 INFO L933 BasicCegarLoop]: 2664 mSDtfsCounter, 2628 mSDsluCounter, 5295 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 153.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 7959 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.62ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 192.97ms IncrementalHoareTripleChecker+Time [2021-11-07 21:59:48,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2628 Valid, 7959 Invalid, 142 Unknown, 0 Unchecked, 15.62ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 192.97ms Time] [2021-11-07 21:59:48,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-07 21:59:48,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-07 21:59:48,963 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 21:59:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-07 21:59:48,967 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-07 21:59:48,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:59:48,968 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-07 21:59:48,968 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 21:59:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-07 21:59:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 21:59:48,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:59:48,970 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 21:59:48,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 21:59:48,970 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 21:59:48,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:59:48,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-07 21:59:48,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:59:48,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186870275] [2021-11-07 21:59:48,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:48,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:59:48,986 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:59:48,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1448912578] [2021-11-07 21:59:48,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:48,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:59:48,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:59:48,988 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 21:59:48,989 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 21:59:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:59:49,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:59:49,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:59:49,299 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 21:59:49,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:59:49,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:59:49,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186870275] [2021-11-07 21:59:49,300 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:59:49,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448912578] [2021-11-07 21:59:49,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448912578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:59:49,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:59:49,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:59:49,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790993018] [2021-11-07 21:59:49,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:59:49,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:59:49,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:59:49,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:59:49,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:59:49,303 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 21:59:49,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:59:49,365 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-07 21:59:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:59:49,366 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 21:59:49,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:59:49,371 INFO L225 Difference]: With dead ends: 4327 [2021-11-07 21:59:49,372 INFO L226 Difference]: Without dead ends: 2176 [2021-11-07 21:59:49,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:59:49,375 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.29ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.79ms IncrementalHoareTripleChecker+Time [2021-11-07 21:59:49,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 4.29ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 36.79ms Time] [2021-11-07 21:59:49,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-07 21:59:49,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-07 21:59:49,401 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 21:59:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-07 21:59:49,405 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-07 21:59:49,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:59:49,406 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-07 21:59:49,406 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 21:59:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-07 21:59:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 21:59:49,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:59:49,408 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 21:59:49,430 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 21:59:49,627 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 21:59:49,627 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 21:59:49,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:59:49,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-07 21:59:49,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:59:49,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314266011] [2021-11-07 21:59:49,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:49,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:59:49,640 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:59:49,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767946738] [2021-11-07 21:59:49,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:49,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:59:49,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:59:49,642 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 21:59:49,644 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 21:59:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:59:49,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:59:49,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:59:49,935 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 21:59:49,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:59:49,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:59:49,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314266011] [2021-11-07 21:59:49,936 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:59:49,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767946738] [2021-11-07 21:59:49,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767946738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:59:49,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:59:49,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:59:49,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426034751] [2021-11-07 21:59:49,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:59:49,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:59:49,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:59:49,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:59:49,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:59:49,937 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 21:59:50,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:59:50,025 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-07 21:59:50,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:59:50,026 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 21:59:50,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:59:50,033 INFO L225 Difference]: With dead ends: 4258 [2021-11-07 21:59:50,033 INFO L226 Difference]: Without dead ends: 2196 [2021-11-07 21:59:50,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:59:50,040 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.77ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.50ms IncrementalHoareTripleChecker+Time [2021-11-07 21:59:50,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 4.77ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 56.50ms Time] [2021-11-07 21:59:50,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-07 21:59:50,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-07 21:59:50,074 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 21:59:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-07 21:59:50,079 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-07 21:59:50,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:59:50,081 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-07 21:59:50,082 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 21:59:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-07 21:59:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 21:59:50,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:59:50,088 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 21:59:50,109 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 21:59:50,307 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 21:59:50,308 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 21:59:50,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:59:50,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-07 21:59:50,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:59:50,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241712534] [2021-11-07 21:59:50,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:50,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:59:50,321 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:59:50,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634758331] [2021-11-07 21:59:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:50,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:59:50,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:59:50,323 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 21:59:50,324 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 21:59:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:59:50,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:59:50,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:59:50,590 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 21:59:50,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:59:50,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:59:50,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241712534] [2021-11-07 21:59:50,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:59:50,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634758331] [2021-11-07 21:59:50,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634758331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:59:50,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:59:50,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:59:50,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817295208] [2021-11-07 21:59:50,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:59:50,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:59:50,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:59:50,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:59:50,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:59:50,599 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 21:59:50,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:59:50,675 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-07 21:59:50,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:59:50,676 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 21:59:50,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:59:50,683 INFO L225 Difference]: With dead ends: 4378 [2021-11-07 21:59:50,683 INFO L226 Difference]: Without dead ends: 2187 [2021-11-07 21:59:50,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 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 21:59:50,687 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 2688 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.19ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.78ms IncrementalHoareTripleChecker+Time [2021-11-07 21:59:50,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2688 Valid, 5356 Invalid, 66 Unknown, 0 Unchecked, 6.19ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 33.78ms Time] [2021-11-07 21:59:50,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-07 21:59:50,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-07 21:59:50,716 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 21:59:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-07 21:59:50,720 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-07 21:59:50,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:59:50,721 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-07 21:59:50,721 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 21:59:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-07 21:59:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 21:59:50,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:59:50,724 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 21:59:50,759 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 21:59:50,939 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 21:59:50,939 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 21:59:50,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:59:50,940 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-07 21:59:50,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:59:50,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696468616] [2021-11-07 21:59:50,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:50,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:59:50,961 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:59:50,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2087193573] [2021-11-07 21:59:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:50,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:59:50,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:59:50,969 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 21:59:51,003 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 21:59:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:59:51,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:59:51,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:59:51,234 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 21:59:51,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:59:51,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:59:51,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696468616] [2021-11-07 21:59:51,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:59:51,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087193573] [2021-11-07 21:59:51,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087193573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:59:51,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:59:51,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:59:51,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056838473] [2021-11-07 21:59:51,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:59:51,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:59:51,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:59:51,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:59:51,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:59:51,238 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 21:59:51,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:59:51,313 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-07 21:59:51,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:59:51,314 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 21:59:51,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:59:51,320 INFO L225 Difference]: With dead ends: 4255 [2021-11-07 21:59:51,321 INFO L226 Difference]: Without dead ends: 2173 [2021-11-07 21:59:51,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:59:51,325 INFO L933 BasicCegarLoop]: 2671 mSDtfsCounter, 2571 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 5446 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.05ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.53ms IncrementalHoareTripleChecker+Time [2021-11-07 21:59:51,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2571 Valid, 5446 Invalid, 66 Unknown, 0 Unchecked, 6.05ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 38.53ms Time] [2021-11-07 21:59:51,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-07 21:59:51,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-07 21:59:51,355 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 21:59:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-07 21:59:51,358 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-07 21:59:51,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:59:51,359 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-07 21:59:51,359 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 21:59:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-07 21:59:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 21:59:51,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:59:51,362 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 21:59:51,384 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 21:59:51,582 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 21:59:51,582 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 21:59:51,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:59:51,583 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-07 21:59:51,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:59:51,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587283359] [2021-11-07 21:59:51,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:51,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:59:51,592 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:59:51,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1924068446] [2021-11-07 21:59:51,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:51,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:59:51,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:59:51,594 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 21:59:51,595 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 21:59:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:59:51,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 21:59:51,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:59:51,922 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 21:59:51,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:59:51,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:59:51,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587283359] [2021-11-07 21:59:51,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:59:51,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924068446] [2021-11-07 21:59:51,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924068446] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:59:51,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:59:51,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:59:51,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905955648] [2021-11-07 21:59:51,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:59:51,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:59:51,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:59:51,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:59:51,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:59:51,924 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 21:59:52,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:59:52,035 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-07 21:59:52,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:59:52,037 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 21:59:52,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:59:52,049 INFO L225 Difference]: With dead ends: 6426 [2021-11-07 21:59:52,049 INFO L226 Difference]: Without dead ends: 4263 [2021-11-07 21:59:52,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.44ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:59:52,054 INFO L933 BasicCegarLoop]: 2727 mSDtfsCounter, 2569 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 5391 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.36ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.28ms IncrementalHoareTripleChecker+Time [2021-11-07 21:59:52,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2569 Valid, 5391 Invalid, 14 Unknown, 0 Unchecked, 8.36ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 45.28ms Time] [2021-11-07 21:59:52,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-07 21:59:52,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-07 21:59:52,124 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 21:59:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-07 21:59:52,135 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-07 21:59:52,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:59:52,135 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-07 21:59:52,136 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 21:59:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-07 21:59:52,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 21:59:52,137 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:59:52,137 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 21:59:52,161 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 21:59:52,357 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 21:59:52,357 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 21:59:52,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:59:52,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-07 21:59:52,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:59:52,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594987818] [2021-11-07 21:59:52,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:52,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:59:52,368 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:59:52,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1457951249] [2021-11-07 21:59:52,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:52,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:59:52,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:59:52,371 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 21:59:52,396 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 21:59:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:59:52,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 21:59:52,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:59:52,653 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 21:59:52,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:59:52,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:59:52,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594987818] [2021-11-07 21:59:52,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:59:52,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457951249] [2021-11-07 21:59:52,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457951249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:59:52,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:59:52,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:59:52,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242689503] [2021-11-07 21:59:52,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:59:52,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:59:52,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:59:52,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:59:52,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:59:52,656 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 21:59:52,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:59:52,841 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-07 21:59:52,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:59:52,842 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 21:59:52,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:59:52,848 INFO L225 Difference]: With dead ends: 5424 [2021-11-07 21:59:52,848 INFO L226 Difference]: Without dead ends: 2211 [2021-11-07 21:59:52,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.89ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:59:52,853 INFO L933 BasicCegarLoop]: 2692 mSDtfsCounter, 5260 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5260 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.70ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.31ms IncrementalHoareTripleChecker+Time [2021-11-07 21:59:52,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5260 Valid, 2741 Invalid, 49 Unknown, 0 Unchecked, 7.70ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 139.31ms Time] [2021-11-07 21:59:52,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-07 21:59:52,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-07 21:59:52,880 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 21:59:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-07 21:59:52,884 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-07 21:59:52,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:59:52,885 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-07 21:59:52,886 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 21:59:52,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-07 21:59:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 21:59:52,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:59:52,887 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 21:59:52,909 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 21:59:53,103 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 21:59:53,104 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 21:59:53,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:59:53,104 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-07 21:59:53,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:59:53,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910473120] [2021-11-07 21:59:53,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:53,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:59:53,113 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:59:53,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624704922] [2021-11-07 21:59:53,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:59:53,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:59:53,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:59:53,115 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 21:59:53,120 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 21:59:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:59:53,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 21:59:53,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:59:53,283 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 21:59:53,290 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 21:59:53,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:53,321 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 21:59:53,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:53,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:53,366 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 21:59:54,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,125 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 21:59:54,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,133 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 21:59:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,195 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 21:59:54,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,204 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 21:59:54,232 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 21:59:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,243 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 21:59:54,255 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 21:59:54,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:54,268 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 21:59:54,269 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 21:59:55,937 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 21:59:55,938 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 21:59:55,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:57,345 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 21:59:57,346 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 21:59:57,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:57,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:57,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:57,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:57,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:57,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:59:57,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:02,921 WARN L227 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 22:00:02,922 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-07 22:00:02,923 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 22:00:03,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,462 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 22:00:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,682 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 22:00:03,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:03,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:03,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:03,885 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-07 22:00:03,886 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 22:00:04,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:04,452 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 22:00:05,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:05,307 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-07 22:00:05,307 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 22:00:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:05,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:05,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,326 WARN L227 SmtUtils]: Spent 5.98s 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 22:00:11,327 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-07 22:00:11,328 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 22:00:11,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 22:00:11,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:11,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:11,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:11,946 INFO L244 Elim1Store]: Index analysis took 236 ms [2021-11-07 22:00:11,957 INFO L354 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2021-11-07 22:00:11,958 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 22:00:12,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:12,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:12,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:12,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:12,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:12,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:12,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:12,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:12,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:12,368 INFO L244 Elim1Store]: Index analysis took 239 ms [2021-11-07 22:00:12,799 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-07 22:00:12,800 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 22:00:12,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:13,010 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-07 22:00:13,011 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 22:00:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:13,388 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-07 22:00:13,389 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 22:00:13,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:13,773 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-07 22:00:13,773 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 22:00:19,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:19,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:19,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:19,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:19,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:19,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:19,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:19,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:19,735 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-07 22:00:19,735 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 22:00:19,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:19,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:19,902 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-07 22:00:19,902 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 22:00:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,040 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:00:20,041 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 22:00:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,089 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:00:20,090 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 22:00:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:20,116 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 22:00:20,117 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 22:00:20,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:20,152 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 22:00:20,153 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 22:00:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:20,175 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 22:00:20,176 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 22:00:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:20,192 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 22:00:20,192 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 22:00:20,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:20,205 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 22:00:20,205 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 22:00:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,405 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 22:00:20,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:20,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,427 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 22:00:20,428 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 22:00:20,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,902 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-07 22:00:20,903 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 22:00:20,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:20,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:20,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:21,025 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-07 22:00:21,026 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 22:00:21,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:00:21,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:21,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:00:21,054 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-07 22:00:21,054 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 22:00:21,590 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-07 22:00:21,592 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 22:00:21,609 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-07 22:00:21,609 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 22:00:21,697 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 22:00:21,697 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 22:00:21,708 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:00:21,709 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 22:00:27,795 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-07 22:00:27,796 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 22:01:55,506 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 22:01:55,506 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 22:02:01,393 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-07 22:02:01,396 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 22:02:01,487 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 22:02:01,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 22:02:03,739 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 22:02:05,897 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 22:02:07,983 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 22:02:10,227 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