./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.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_FNV_test3-2.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 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 21:22:49,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 21:22:49,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 21:22:50,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 21:22:50,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 21:22:50,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 21:22:50,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 21:22:50,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 21:22:50,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 21:22:50,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 21:22:50,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 21:22:50,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 21:22:50,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 21:22:50,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 21:22:50,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 21:22:50,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 21:22:50,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 21:22:50,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 21:22:50,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 21:22:50,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 21:22:50,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 21:22:50,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 21:22:50,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 21:22:50,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 21:22:50,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 21:22:50,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 21:22:50,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 21:22:50,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 21:22:50,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 21:22:50,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 21:22:50,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 21:22:50,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 21:22:50,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 21:22:50,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 21:22:50,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 21:22:50,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 21:22:50,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 21:22:50,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 21:22:50,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 21:22:50,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 21:22:50,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 21:22:50,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 21:22:50,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 21:22:50,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 21:22:50,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 21:22:50,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 21:22:50,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 21:22:50,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 21:22:50,091 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 21:22:50,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 21:22:50,091 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 21:22:50,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 21:22:50,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 21:22:50,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 21:22:50,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 21:22:50,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 21:22:50,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 21:22:50,093 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 21:22:50,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 21:22:50,093 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 21:22:50,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 21:22:50,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 21:22:50,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 21:22:50,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 21:22:50,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 21:22:50,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 21:22:50,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 21:22:50,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 21:22:50,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 21:22:50,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 21:22:50,095 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 21:22:50,096 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 21:22:50,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 21:22:50,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 21:22:50,096 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 [2021-11-07 21:22:50,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 21:22:50,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 21:22:50,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 21:22:50,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 21:22:50,324 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 21:22:50,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-11-07 21:22:50,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b503442bd/bef0473955fc4e7db6759b809b20261b/FLAG3cedf8051 [2021-11-07 21:22:50,761 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 21:22:50,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-11-07 21:22:50,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b503442bd/bef0473955fc4e7db6759b809b20261b/FLAG3cedf8051 [2021-11-07 21:22:51,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b503442bd/bef0473955fc4e7db6759b809b20261b [2021-11-07 21:22:51,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 21:22:51,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 21:22:51,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 21:22:51,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 21:22:51,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 21:22:51,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa814a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51, skipping insertion in model container [2021-11-07 21:22:51,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 21:22:51,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 21:22:51,511 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_FNV_test3-2.i[33021,33034] [2021-11-07 21:22:51,590 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_FNV_test3-2.i[44590,44603] [2021-11-07 21:22:51,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 21:22:51,610 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 21:22:51,628 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_FNV_test3-2.i[33021,33034] [2021-11-07 21:22:51,673 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_FNV_test3-2.i[44590,44603] [2021-11-07 21:22:51,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 21:22:51,703 INFO L208 MainTranslator]: Completed translation [2021-11-07 21:22:51,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51 WrapperNode [2021-11-07 21:22:51,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 21:22:51,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 21:22:51,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 21:22:51,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 21:22:51,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 21:22:51,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 21:22:51,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 21:22:51,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 21:22:51,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 21:22:51,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 21:22:51,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 21:22:51,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 21:22:51,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (1/1) ... [2021-11-07 21:22:51,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 21:22:51,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:51,980 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 21:22:52,023 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 21:22:52,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 21:22:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 21:22:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 21:22:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 21:22:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 21:22:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 21:22:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 21:22:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 21:22:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 21:22:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 21:22:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 21:22:53,072 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 21:22:53,072 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-07 21:22:53,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:22:53 BoogieIcfgContainer [2021-11-07 21:22:53,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 21:22:53,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 21:22:53,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 21:22:53,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 21:22:53,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:22:51" (1/3) ... [2021-11-07 21:22:53,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f5e8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:22:53, skipping insertion in model container [2021-11-07 21:22:53,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:51" (2/3) ... [2021-11-07 21:22:53,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f5e8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:22:53, skipping insertion in model container [2021-11-07 21:22:53,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:22:53" (3/3) ... [2021-11-07 21:22:53,083 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-2.i [2021-11-07 21:22:53,087 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 21:22:53,087 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 21:22:53,129 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 21:22:53,135 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 21:22:53,135 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 21:22:53,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 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 21:22:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 21:22:53,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:53,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:53,161 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:53,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:53,164 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-07 21:22:53,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:53,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914589757] [2021-11-07 21:22:53,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:53,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:53,285 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 21:22:53,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:53,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914589757] [2021-11-07 21:22:53,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914589757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:53,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:53,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 21:22:53,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335776299] [2021-11-07 21:22:53,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:53,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 21:22:53,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:53,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 21:22:53,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 21:22:53,310 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 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 21:22:53,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:53,335 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-07 21:22:53,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 21:22:53,337 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 21:22:53,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:53,343 INFO L225 Difference]: With dead ends: 460 [2021-11-07 21:22:53,344 INFO L226 Difference]: Without dead ends: 198 [2021-11-07 21:22:53,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 21:22:53,349 INFO L933 BasicCegarLoop]: 303 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, 303 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.74ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:53,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 1.74ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 21:22:53,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-07 21:22:53,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-07 21:22:53,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 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 21:22:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-07 21:22:53,380 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-07 21:22:53,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:53,380 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-07 21:22:53,381 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 21:22:53,381 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-07 21:22:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 21:22:53,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:53,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:53,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 21:22:53,382 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:53,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:53,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-07 21:22:53,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:53,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241957268] [2021-11-07 21:22:53,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:53,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:53,471 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 21:22:53,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:53,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241957268] [2021-11-07 21:22:53,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241957268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:53,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:53,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:22:53,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512923058] [2021-11-07 21:22:53,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:53,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:22:53,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:53,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:22:53,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:22:53,473 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 21:22:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:53,756 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-07 21:22:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:22:53,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-11-07 21:22:53,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:53,758 INFO L225 Difference]: With dead ends: 445 [2021-11-07 21:22:53,758 INFO L226 Difference]: Without dead ends: 337 [2021-11-07 21:22:53,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.90ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:22:53,759 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 173 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 193.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.07ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 256.76ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:53,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 642 Invalid, 161 Unknown, 0 Unchecked, 4.07ms Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 256.76ms Time] [2021-11-07 21:22:53,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-07 21:22:53,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-07 21:22:53,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 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 21:22:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-07 21:22:53,778 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-07 21:22:53,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:53,778 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-07 21:22:53,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 21:22:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-07 21:22:53,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 21:22:53,784 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:53,784 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] [2021-11-07 21:22:53,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 21:22:53,784 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:53,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:53,785 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-07 21:22:53,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:53,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310404488] [2021-11-07 21:22:53,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:53,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:53,806 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:53,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076236671] [2021-11-07 21:22:53,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:53,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:53,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:53,829 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 21:22:53,835 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 21:22:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:53,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:22:53,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:54,095 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 21:22:54,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:54,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:54,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310404488] [2021-11-07 21:22:54,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:54,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076236671] [2021-11-07 21:22:54,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076236671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:54,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:54,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:22:54,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052060905] [2021-11-07 21:22:54,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:54,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:22:54,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:54,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:22:54,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:54,098 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 21:22:54,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:54,144 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-07 21:22:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:22:54,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-07 21:22:54,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:54,146 INFO L225 Difference]: With dead ends: 417 [2021-11-07 21:22:54,146 INFO L226 Difference]: Without dead ends: 221 [2021-11-07 21:22:54,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.41ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:54,147 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 9 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.82ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.66ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:54,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 463 Invalid, 72 Unknown, 0 Unchecked, 0.82ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 40.66ms Time] [2021-11-07 21:22:54,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-07 21:22:54,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-07 21:22:54,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 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 21:22:54,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-07 21:22:54,154 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-07 21:22:54,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:54,154 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-07 21:22:54,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 21:22:54,154 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-07 21:22:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 21:22:54,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:54,156 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] [2021-11-07 21:22:54,174 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 21:22:54,374 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 21:22:54,374 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:54,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:54,375 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-07 21:22:54,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:54,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853331059] [2021-11-07 21:22:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:54,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:54,419 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:54,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356658926] [2021-11-07 21:22:54,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:54,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:54,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:54,425 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 21:22:54,426 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 21:22:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:54,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:22:54,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:54,686 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 21:22:54,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:54,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:54,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853331059] [2021-11-07 21:22:54,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:54,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356658926] [2021-11-07 21:22:54,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356658926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:54,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:54,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:22:54,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425469946] [2021-11-07 21:22:54,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:54,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:22:54,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:54,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:22:54,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:22:54,689 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 21:22:54,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:54,736 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-07 21:22:54,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:22:54,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2021-11-07 21:22:54,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:54,738 INFO L225 Difference]: With dead ends: 428 [2021-11-07 21:22:54,738 INFO L226 Difference]: Without dead ends: 212 [2021-11-07 21:22:54,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.63ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:22:54,739 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 247 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.27ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.61ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:54,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 474 Invalid, 66 Unknown, 0 Unchecked, 1.27ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 37.61ms Time] [2021-11-07 21:22:54,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-07 21:22:54,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-07 21:22:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 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 21:22:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-07 21:22:54,760 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-07 21:22:54,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:54,761 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-07 21:22:54,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 21:22:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-07 21:22:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 21:22:54,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:54,762 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] [2021-11-07 21:22:54,788 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 21:22:54,981 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 21:22:54,981 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:54,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:54,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-07 21:22:54,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:54,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428065237] [2021-11-07 21:22:54,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:54,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:54,995 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:54,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217165180] [2021-11-07 21:22:54,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:54,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:54,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:54,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:22:55,003 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 21:22:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:55,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 21:22:55,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:55,379 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 21:22:55,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:55,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:55,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428065237] [2021-11-07 21:22:55,380 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:55,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217165180] [2021-11-07 21:22:55,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217165180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:55,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:55,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:22:55,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789245028] [2021-11-07 21:22:55,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:55,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:22:55,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:55,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:22:55,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:55,382 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 21:22:55,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:55,463 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-07 21:22:55,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:22:55,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-07 21:22:55,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:55,465 INFO L225 Difference]: With dead ends: 542 [2021-11-07 21:22:55,465 INFO L226 Difference]: Without dead ends: 340 [2021-11-07 21:22:55,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.80ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:55,466 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 132 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.06ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.77ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:55,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 32 Unknown, 0 Unchecked, 1.06ms Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 60.77ms Time] [2021-11-07 21:22:55,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-07 21:22:55,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-07 21:22:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 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 21:22:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-07 21:22:55,474 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-07 21:22:55,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:55,474 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-07 21:22:55,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 21:22:55,475 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-07 21:22:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 21:22:55,476 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:55,476 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] [2021-11-07 21:22:55,520 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 21:22:55,693 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 21:22:55,694 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:55,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:55,694 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-07 21:22:55,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:55,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125817964] [2021-11-07 21:22:55,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:55,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:55,705 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:55,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765148236] [2021-11-07 21:22:55,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:55,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:55,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:55,707 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 21:22:55,745 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 21:22:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:55,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:22:55,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:55,938 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 21:22:55,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 21:22:55,957 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 21:22:55,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:55,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:55,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125817964] [2021-11-07 21:22:55,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:55,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765148236] [2021-11-07 21:22:55,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765148236] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:55,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:55,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:22:55,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338608089] [2021-11-07 21:22:55,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:55,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:22:55,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:55,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:22:55,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:22:55,960 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 21:22:56,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:56,873 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-07 21:22:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:22:56,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 71 [2021-11-07 21:22:56,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:56,875 INFO L225 Difference]: With dead ends: 421 [2021-11-07 21:22:56,876 INFO L226 Difference]: Without dead ends: 396 [2021-11-07 21:22:56,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:22:56,876 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 135 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 866.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.64ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 898.89ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:56,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 644 Invalid, 138 Unknown, 0 Unchecked, 1.64ms Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 898.89ms Time] [2021-11-07 21:22:56,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-07 21:22:56,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-07 21:22:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 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 21:22:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-07 21:22:56,883 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-07 21:22:56,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:56,884 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-07 21:22:56,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 21:22:56,884 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-07 21:22:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 21:22:56,886 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:56,886 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 21:22:56,905 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 21:22:57,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:57,099 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:57,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:57,100 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-07 21:22:57,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:57,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277552253] [2021-11-07 21:22:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:57,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:57,110 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:57,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311590445] [2021-11-07 21:22:57,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:57,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:57,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:57,115 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 21:22:57,148 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 21:22:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:57,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:22:57,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:57,431 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 21:22:57,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:57,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:57,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277552253] [2021-11-07 21:22:57,432 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:57,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311590445] [2021-11-07 21:22:57,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311590445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:57,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:57,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:22:57,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399405369] [2021-11-07 21:22:57,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:57,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:22:57,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:57,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:22:57,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:57,434 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 21:22:57,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:57,480 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-07 21:22:57,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:22:57,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 21:22:57,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:57,482 INFO L225 Difference]: With dead ends: 525 [2021-11-07 21:22:57,483 INFO L226 Difference]: Without dead ends: 356 [2021-11-07 21:22:57,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.41ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:57,484 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 9 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.95ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.48ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:57,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 449 Invalid, 72 Unknown, 0 Unchecked, 0.95ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 39.48ms Time] [2021-11-07 21:22:57,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-07 21:22:57,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-07 21:22:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 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 21:22:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-07 21:22:57,493 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-07 21:22:57,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:57,494 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-07 21:22:57,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 21:22:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-07 21:22:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 21:22:57,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:57,495 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 21:22:57,514 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 21:22:57,705 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 21:22:57,705 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:57,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:57,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-07 21:22:57,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:57,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784697414] [2021-11-07 21:22:57,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:57,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:57,719 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:57,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2066155119] [2021-11-07 21:22:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:57,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:57,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:57,735 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 21:22:57,736 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 21:22:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:57,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:22:57,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:58,029 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 21:22:58,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:58,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:58,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784697414] [2021-11-07 21:22:58,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:58,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066155119] [2021-11-07 21:22:58,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066155119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:58,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:58,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:22:58,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890319814] [2021-11-07 21:22:58,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:58,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:22:58,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:58,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:22:58,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:22:58,034 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 21:22:58,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:58,092 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-07 21:22:58,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:22:58,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 21:22:58,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:58,095 INFO L225 Difference]: With dead ends: 540 [2021-11-07 21:22:58,095 INFO L226 Difference]: Without dead ends: 331 [2021-11-07 21:22:58,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.90ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:22:58,096 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 130 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.00ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.22ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:58,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 564 Invalid, 66 Unknown, 0 Unchecked, 1.00ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 47.22ms Time] [2021-11-07 21:22:58,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-07 21:22:58,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-07 21:22:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 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 21:22:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-07 21:22:58,102 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-07 21:22:58,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:58,103 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-07 21:22:58,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 21:22:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-07 21:22:58,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 21:22:58,105 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:58,105 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 21:22:58,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-07 21:22:58,323 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 21:22:58,323 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:58,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:58,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-07 21:22:58,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:58,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99262755] [2021-11-07 21:22:58,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:58,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:58,348 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:58,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215057284] [2021-11-07 21:22:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:58,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:58,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:58,368 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 21:22:58,369 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 21:22:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:58,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 21:22:58,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:58,739 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 21:22:58,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:58,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:58,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99262755] [2021-11-07 21:22:58,740 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:58,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215057284] [2021-11-07 21:22:58,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215057284] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:58,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:58,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:22:58,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726841855] [2021-11-07 21:22:58,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:58,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:22:58,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:58,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:22:58,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:22:58,741 INFO L87 Difference]: Start difference. First operand 326 states and 393 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 21:22:58,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:58,932 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-07 21:22:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 21:22:58,933 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 21:22:58,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:58,934 INFO L225 Difference]: With dead ends: 740 [2021-11-07 21:22:58,934 INFO L226 Difference]: Without dead ends: 462 [2021-11-07 21:22:58,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:22:58,935 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 497 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 153.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.74ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171.50ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:58,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 498 Invalid, 82 Unknown, 0 Unchecked, 1.74ms Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 171.50ms Time] [2021-11-07 21:22:58,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-07 21:22:58,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-07 21:22:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 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 21:22:58,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-07 21:22:58,943 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-07 21:22:58,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:58,944 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-07 21:22:58,944 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 21:22:58,944 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-07 21:22:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 21:22:58,945 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:58,945 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 21:22:58,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 21:22:59,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:59,168 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:59,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:59,168 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-07 21:22:59,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:59,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871067429] [2021-11-07 21:22:59,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:59,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:59,179 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:59,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361755204] [2021-11-07 21:22:59,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:59,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:59,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:59,181 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:22:59,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 21:22:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:59,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 21:22:59,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:59,344 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 21:22:59,348 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 21:22:59,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:59,372 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 21:22:59,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:59,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:59,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:59,419 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 21:23:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,046 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 21:23:00,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,054 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 21:23:00,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-07 21:23:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,160 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 52 treesize of output 45 [2021-11-07 21:23:00,170 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 21:23:00,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:00,184 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 21:23:00,184 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 21:23:00,194 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 21:23:01,715 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 21:23:01,716 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 2831 treesize of output 2280 [2021-11-07 21:23:01,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:01,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:01,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:01,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:05,660 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-07 21:23:05,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-07 21:23:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:06,477 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 21:23:06,478 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 2027 treesize of output 1769 [2021-11-07 21:23:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:07,260 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 21:23:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:07,404 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 21:23:07,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:07,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:07,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:23:07,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-07 21:23:07,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:23:08,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:23:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:04,444 WARN L227 SmtUtils]: Spent 5.94m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 21:29:04,446 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-07 21:29:04,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-07 21:29:07,267 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 21:29:09,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,257 INFO L244 Elim1Store]: Index analysis took 356 ms [2021-11-07 21:29:09,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:09,508 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:29:09,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-07 21:29:11,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:15,983 INFO L244 Elim1Store]: Index analysis took 4765 ms [2021-11-07 21:29:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:16,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:17,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:18,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:18,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:19,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:19,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:19,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:20,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:20,380 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:29:20,381 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 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-07 21:29:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:21,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:22,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:22,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:22,780 INFO L244 Elim1Store]: Index analysis took 2011 ms [2021-11-07 21:29:22,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:23,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:23,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:23,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:24,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:24,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:24,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:24,829 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:29:24,830 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 1287 treesize of output 571 [2021-11-07 21:29:25,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:25,168 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:29:25,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-07 21:29:49,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:49,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:49,263 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-11-07 21:29:49,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:49,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:49,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:29:49,387 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-07 21:29:49,388 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 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-07 21:30:16,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:16,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:16,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:16,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:16,603 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-07 21:30:16,604 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 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-07 21:30:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:25,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:25,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:25,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:25,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:25,827 INFO L244 Elim1Store]: Index analysis took 598 ms [2021-11-07 21:30:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:25,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:26,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:26,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:26,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:26,481 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:30:26,481 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 1048 treesize of output 472 [2021-11-07 21:30:26,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:27,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:27,924 INFO L244 Elim1Store]: Index analysis took 1213 ms [2021-11-07 21:30:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:28,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:28,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:28,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:28,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:28,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:28,708 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:30:28,708 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 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-07 21:30:28,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:29,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:29,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:29,783 INFO L244 Elim1Store]: Index analysis took 879 ms [2021-11-07 21:30:29,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:29,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:30,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:30,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:30,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:30,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:30,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:30,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:30,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:30,682 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:30:30,683 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 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-07 21:30:30,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,480 INFO L244 Elim1Store]: Index analysis took 641 ms [2021-11-07 21:30:31,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:31,828 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:30:31,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-07 21:30:34,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,065 INFO L244 Elim1Store]: Index analysis took 398 ms [2021-11-07 21:30:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,425 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:30:35,425 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 981 treesize of output 418 [2021-11-07 21:30:35,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:35,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,114 INFO L244 Elim1Store]: Index analysis took 527 ms [2021-11-07 21:30:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:36,531 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:30:36,531 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 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-07 21:30:37,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,540 INFO L244 Elim1Store]: Index analysis took 388 ms [2021-11-07 21:30:37,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:37,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,017 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:30:38,018 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 1005 treesize of output 430 [2021-11-07 21:30:38,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,622 INFO L244 Elim1Store]: Index analysis took 478 ms [2021-11-07 21:30:38,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,787 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:30:38,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-07 21:30:38,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:38,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:38,975 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 21:30:38,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-07 21:30:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:39,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:39,229 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 21:30:39,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-07 21:30:39,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:39,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:39,481 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 21:30:39,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-07 21:30:39,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:39,663 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 21:30:39,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-07 21:30:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:39,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:39,764 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-07 21:30:39,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-07 21:30:39,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:39,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:39,836 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 21:30:39,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-07 21:30:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:39,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:40,010 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-07 21:30:40,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-07 21:30:40,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:40,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:40,072 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 21:30:40,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-07 21:30:40,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:40,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:40,131 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 21:30:40,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-07 21:30:41,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,290 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-07 21:30:41,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-07 21:30:41,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:41,865 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-07 21:30:41,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-07 21:30:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:42,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:42,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:42,068 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-07 21:30:42,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-07 21:30:42,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:42,107 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-07 21:30:42,108 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 128 treesize of output 79 [2021-11-07 21:30:42,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:42,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:42,627 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-07 21:30:42,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-07 21:30:42,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:42,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:42,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:42,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:42,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:42,765 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-07 21:30:42,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-07 21:30:42,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:30:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:30:42,792 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-07 21:30:42,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-07 21:30:43,455 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-07 21:30:43,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-07 21:30:43,483 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 21:30:43,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-07 21:30:43,507 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:30:43,507 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-07 21:30:43,602 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 21:30:43,602 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 249 treesize of output 269 [2021-11-07 21:31:03,295 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-07 21:31:03,295 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 323 treesize of output 361 [2021-11-07 21:31:35,326 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 21:31:35,326 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 338 treesize of output 231 [2021-11-07 21:31:40,210 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-07 21:31:40,211 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 328 treesize of output 180 [2021-11-07 21:31:40,271 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 21:31:40,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 21:31:42,431 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (or (< (let ((.cse0 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse0)) (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse0))) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse1 (let ((.cse2 (store |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))))) (store .cse2 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse2 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_9))))) (store .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))) is different from false [2021-11-07 21:31:44,557 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$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$.base| .cse2) .cse3 v_DerPreprocessor_11)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~users~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_10)) 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_9))))) (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_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))))) is different from false [2021-11-07 21:31:46,646 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false [2021-11-07 21:31:48,899 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_10 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false Killed by 15