./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 14:41:23,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 14:41:23,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 14:41:23,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 14:41:23,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 14:41:23,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 14:41:23,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 14:41:23,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 14:41:23,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 14:41:23,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 14:41:23,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 14:41:23,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 14:41:23,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 14:41:23,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 14:41:23,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 14:41:23,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 14:41:23,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 14:41:23,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 14:41:23,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 14:41:23,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 14:41:23,091 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 14:41:23,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 14:41:23,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 14:41:23,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 14:41:23,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 14:41:23,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 14:41:23,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 14:41:23,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 14:41:23,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 14:41:23,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 14:41:23,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 14:41:23,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 14:41:23,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 14:41:23,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 14:41:23,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 14:41:23,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 14:41:23,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 14:41:23,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 14:41:23,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 14:41:23,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 14:41:23,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 14:41:23,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 14:41:23,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-14 14:41:23,135 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 14:41:23,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 14:41:23,136 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 14:41:23,136 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 14:41:23,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 14:41:23,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 14:41:23,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 14:41:23,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 14:41:23,137 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 14:41:23,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 14:41:23,138 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 14:41:23,138 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 14:41:23,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 14:41:23,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 14:41:23,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 14:41:23,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 14:41:23,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 14:41:23,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 14:41:23,140 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-14 14:41:23,140 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 14:41:23,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 14:41:23,140 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 14:41:23,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 14:41:23,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 14:41:23,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 14:41:23,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 14:41:23,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 14:41:23,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 14:41:23,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 14:41:23,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 14:41:23,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 14:41:23,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 14:41:23,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 14:41:23,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2022-07-14 14:41:23,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 14:41:23,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 14:41:23,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 14:41:23,348 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 14:41:23,349 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 14:41:23,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2022-07-14 14:41:23,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55177af5c/239b56f7d32e49ba91d06bb34b03cb32/FLAGc5ded92ad [2022-07-14 14:41:23,892 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 14:41:23,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2022-07-14 14:41:23,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55177af5c/239b56f7d32e49ba91d06bb34b03cb32/FLAGc5ded92ad [2022-07-14 14:41:24,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55177af5c/239b56f7d32e49ba91d06bb34b03cb32 [2022-07-14 14:41:24,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 14:41:24,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 14:41:24,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 14:41:24,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 14:41:24,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 14:41:24,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:41:24" (1/1) ... [2022-07-14 14:41:24,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ce1852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:24, skipping insertion in model container [2022-07-14 14:41:24,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:41:24" (1/1) ... [2022-07-14 14:41:24,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 14:41:24,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 14:41:24,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2022-07-14 14:41:24,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2022-07-14 14:41:24,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:41:24,960 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 14:41:24,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[33021,33034] [2022-07-14 14:41:25,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i[84583,84596] [2022-07-14 14:41:25,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:41:25,132 INFO L208 MainTranslator]: Completed translation [2022-07-14 14:41:25,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25 WrapperNode [2022-07-14 14:41:25,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 14:41:25,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 14:41:25,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 14:41:25,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 14:41:25,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (1/1) ... [2022-07-14 14:41:25,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (1/1) ... [2022-07-14 14:41:25,266 INFO L137 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3027 [2022-07-14 14:41:25,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 14:41:25,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 14:41:25,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 14:41:25,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 14:41:25,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (1/1) ... [2022-07-14 14:41:25,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (1/1) ... [2022-07-14 14:41:25,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (1/1) ... [2022-07-14 14:41:25,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (1/1) ... [2022-07-14 14:41:25,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (1/1) ... [2022-07-14 14:41:25,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (1/1) ... [2022-07-14 14:41:25,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (1/1) ... [2022-07-14 14:41:25,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 14:41:25,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 14:41:25,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 14:41:25,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 14:41:25,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (1/1) ... [2022-07-14 14:41:25,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 14:41:25,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:41:25,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 14:41:25,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 14:41:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 14:41:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-14 14:41:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-14 14:41:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 14:41:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 14:41:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 14:41:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 14:41:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 14:41:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 14:41:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 14:41:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 14:41:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 14:41:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 14:41:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 14:41:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 14:41:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 14:41:25,639 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 14:41:25,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 14:41:27,164 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 14:41:27,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 14:41:27,174 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-07-14 14:41:27,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:41:27 BoogieIcfgContainer [2022-07-14 14:41:27,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 14:41:27,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 14:41:27,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 14:41:27,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 14:41:27,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:41:24" (1/3) ... [2022-07-14 14:41:27,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404674a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:41:27, skipping insertion in model container [2022-07-14 14:41:27,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:41:25" (2/3) ... [2022-07-14 14:41:27,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404674a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:41:27, skipping insertion in model container [2022-07-14 14:41:27,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:41:27" (3/3) ... [2022-07-14 14:41:27,182 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-2.i [2022-07-14 14:41:27,191 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 14:41:27,191 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-07-14 14:41:27,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 14:41:27,242 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5ecec815, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@32bb7037 [2022-07-14 14:41:27,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-07-14 14:41:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 1208 states, 694 states have (on average 1.9135446685878963) internal successors, (1328), 1202 states have internal predecessors, (1328), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-07-14 14:41:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-14 14:41:27,252 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:41:27,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 14:41:27,253 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 14:41:27,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:41:27,256 INFO L85 PathProgramCache]: Analyzing trace with hash 552713999, now seen corresponding path program 1 times [2022-07-14 14:41:27,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:41:27,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219265767] [2022-07-14 14:41:27,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:27,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:41:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:41:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:41:27,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:41:27,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219265767] [2022-07-14 14:41:27,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219265767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:41:27,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:41:27,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 14:41:27,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884054049] [2022-07-14 14:41:27,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:41:27,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 14:41:27,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:41:27,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 14:41:27,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 14:41:27,378 INFO L87 Difference]: Start difference. First operand has 1208 states, 694 states have (on average 1.9135446685878963) internal successors, (1328), 1202 states have internal predecessors, (1328), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-07-14 14:41:27,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:41:27,493 INFO L93 Difference]: Finished difference Result 2414 states and 5166 transitions. [2022-07-14 14:41:27,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 14:41:27,495 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-07-14 14:41:27,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:41:27,514 INFO L225 Difference]: With dead ends: 2414 [2022-07-14 14:41:27,514 INFO L226 Difference]: Without dead ends: 1175 [2022-07-14 14:41:27,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 14:41:27,529 INFO L413 NwaCegarLoop]: 2265 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 14:41:27,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2265 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 14:41:27,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2022-07-14 14:41:27,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2022-07-14 14:41:27,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 662 states have (on average 1.8353474320241692) internal successors, (1215), 1169 states have internal predecessors, (1215), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-07-14 14:41:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 2221 transitions. [2022-07-14 14:41:27,799 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 2221 transitions. Word has length 7 [2022-07-14 14:41:27,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:41:27,800 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 2221 transitions. [2022-07-14 14:41:27,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-07-14 14:41:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2221 transitions. [2022-07-14 14:41:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-14 14:41:27,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:41:27,801 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 14:41:27,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 14:41:27,801 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 14:41:27,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:41:27,802 INFO L85 PathProgramCache]: Analyzing trace with hash 552715921, now seen corresponding path program 1 times [2022-07-14 14:41:27,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:41:27,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099357094] [2022-07-14 14:41:27,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:27,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:41:27,848 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 14:41:27,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327616482] [2022-07-14 14:41:27,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:27,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:41:27,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:41:27,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 14:41:27,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 14:41:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:41:27,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-14 14:41:28,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:41:28,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-14 14:41:28,054 INFO L390 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 [2022-07-14 14:41:28,087 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-14 14:41:28,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-14 14:41:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 14:41:28,121 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-07-14 14:41:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:41:28,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 14:41:28,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:41:28,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099357094] [2022-07-14 14:41:28,130 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 14:41:28,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327616482] [2022-07-14 14:41:28,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327616482] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:41:28,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:41:28,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 14:41:28,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237595751] [2022-07-14 14:41:28,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:41:28,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 14:41:28,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:41:28,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 14:41:28,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 14:41:28,133 INFO L87 Difference]: Start difference. First operand 1175 states and 2221 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-07-14 14:41:30,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:41:30,058 INFO L93 Difference]: Finished difference Result 2292 states and 4372 transitions. [2022-07-14 14:41:30,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 14:41:30,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 7 [2022-07-14 14:41:30,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:41:30,084 INFO L225 Difference]: With dead ends: 2292 [2022-07-14 14:41:30,084 INFO L226 Difference]: Without dead ends: 2290 [2022-07-14 14:41:30,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 14:41:30,086 INFO L413 NwaCegarLoop]: 2674 mSDtfsCounter, 1185 mSDsluCounter, 5960 mSDsCounter, 0 mSdLazyCounter, 1753 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 8634 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-14 14:41:30,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 8634 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1753 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-14 14:41:30,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2022-07-14 14:41:30,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1181. [2022-07-14 14:41:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8293413173652695) internal successors, (1222), 1175 states have internal predecessors, (1222), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-07-14 14:41:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2228 transitions. [2022-07-14 14:41:30,340 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2228 transitions. Word has length 7 [2022-07-14 14:41:30,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:41:30,341 INFO L495 AbstractCegarLoop]: Abstraction has 1181 states and 2228 transitions. [2022-07-14 14:41:30,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-07-14 14:41:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2228 transitions. [2022-07-14 14:41:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-07-14 14:41:30,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:41:30,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 14:41:30,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-14 14:41:30,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:41:30,559 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 14:41:30,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:41:30,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1931275711, now seen corresponding path program 1 times [2022-07-14 14:41:30,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:41:30,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994456459] [2022-07-14 14:41:30,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:30,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:41:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:41:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:41:30,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:41:30,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994456459] [2022-07-14 14:41:30,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994456459] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:41:30,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:41:30,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 14:41:30,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260228063] [2022-07-14 14:41:30,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:41:30,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 14:41:30,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:41:30,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 14:41:30,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 14:41:30,636 INFO L87 Difference]: Start difference. First operand 1181 states and 2228 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:41:31,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:41:31,254 INFO L93 Difference]: Finished difference Result 3322 states and 6406 transitions. [2022-07-14 14:41:31,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 14:41:31,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-07-14 14:41:31,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:41:31,265 INFO L225 Difference]: With dead ends: 3322 [2022-07-14 14:41:31,265 INFO L226 Difference]: Without dead ends: 2249 [2022-07-14 14:41:31,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 14:41:31,269 INFO L413 NwaCegarLoop]: 2695 mSDtfsCounter, 1089 mSDsluCounter, 4343 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 7038 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 14:41:31,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 7038 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 14:41:31,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2022-07-14 14:41:31,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 1181. [2022-07-14 14:41:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 668 states have (on average 1.8278443113772456) internal successors, (1221), 1175 states have internal predecessors, (1221), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-07-14 14:41:31,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2227 transitions. [2022-07-14 14:41:31,476 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2227 transitions. Word has length 44 [2022-07-14 14:41:31,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:41:31,476 INFO L495 AbstractCegarLoop]: Abstraction has 1181 states and 2227 transitions. [2022-07-14 14:41:31,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:41:31,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2227 transitions. [2022-07-14 14:41:31,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-14 14:41:31,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:41:31,478 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 14:41:31,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 14:41:31,478 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 14:41:31,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:41:31,478 INFO L85 PathProgramCache]: Analyzing trace with hash 305892652, now seen corresponding path program 1 times [2022-07-14 14:41:31,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:41:31,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82058505] [2022-07-14 14:41:31,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:31,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:41:31,559 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 14:41:31,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [286446447] [2022-07-14 14:41:31,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:31,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:41:31,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:41:31,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 14:41:31,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 14:41:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:41:31,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 14:41:31,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:41:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:41:31,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 14:41:31,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:41:31,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82058505] [2022-07-14 14:41:31,999 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 14:41:31,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286446447] [2022-07-14 14:41:31,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286446447] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:41:31,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:41:32,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 14:41:32,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894159518] [2022-07-14 14:41:32,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:41:32,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 14:41:32,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:41:32,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 14:41:32,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 14:41:32,002 INFO L87 Difference]: Start difference. First operand 1181 states and 2227 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:41:32,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:41:32,072 INFO L93 Difference]: Finished difference Result 2375 states and 4477 transitions. [2022-07-14 14:41:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 14:41:32,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-07-14 14:41:32,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:41:32,077 INFO L225 Difference]: With dead ends: 2375 [2022-07-14 14:41:32,077 INFO L226 Difference]: Without dead ends: 1202 [2022-07-14 14:41:32,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 14:41:32,081 INFO L413 NwaCegarLoop]: 2201 mSDtfsCounter, 9 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4387 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 14:41:32,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4387 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 14:41:32,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-07-14 14:41:32,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1201. [2022-07-14 14:41:32,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 688 states have (on average 1.8037790697674418) internal successors, (1241), 1195 states have internal predecessors, (1241), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-07-14 14:41:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 2247 transitions. [2022-07-14 14:41:32,188 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 2247 transitions. Word has length 57 [2022-07-14 14:41:32,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:41:32,189 INFO L495 AbstractCegarLoop]: Abstraction has 1201 states and 2247 transitions. [2022-07-14 14:41:32,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:41:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 2247 transitions. [2022-07-14 14:41:32,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-14 14:41:32,190 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:41:32,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 14:41:32,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-14 14:41:32,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-14 14:41:32,412 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 14:41:32,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:41:32,412 INFO L85 PathProgramCache]: Analyzing trace with hash 815365742, now seen corresponding path program 1 times [2022-07-14 14:41:32,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:41:32,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663744628] [2022-07-14 14:41:32,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:32,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:41:32,478 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 14:41:32,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1719280201] [2022-07-14 14:41:32,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:32,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:41:32,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:41:32,492 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 14:41:32,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-14 14:41:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:41:32,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 14:41:32,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:41:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:41:32,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 14:41:32,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:41:32,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663744628] [2022-07-14 14:41:32,992 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 14:41:32,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719280201] [2022-07-14 14:41:32,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719280201] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:41:32,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:41:32,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 14:41:32,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371878178] [2022-07-14 14:41:32,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:41:32,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 14:41:32,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:41:32,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 14:41:32,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 14:41:32,994 INFO L87 Difference]: Start difference. First operand 1201 states and 2247 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:41:33,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:41:33,087 INFO L93 Difference]: Finished difference Result 2384 states and 4476 transitions. [2022-07-14 14:41:33,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 14:41:33,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-07-14 14:41:33,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:41:33,093 INFO L225 Difference]: With dead ends: 2384 [2022-07-14 14:41:33,093 INFO L226 Difference]: Without dead ends: 1191 [2022-07-14 14:41:33,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 14:41:33,099 INFO L413 NwaCegarLoop]: 2203 mSDtfsCounter, 1196 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 4914 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 14:41:33,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 4914 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 14:41:33,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2022-07-14 14:41:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1187. [2022-07-14 14:41:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 674 states have (on average 1.8100890207715135) internal successors, (1220), 1181 states have internal predecessors, (1220), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-07-14 14:41:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2226 transitions. [2022-07-14 14:41:33,214 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2226 transitions. Word has length 57 [2022-07-14 14:41:33,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:41:33,214 INFO L495 AbstractCegarLoop]: Abstraction has 1187 states and 2226 transitions. [2022-07-14 14:41:33,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:41:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2226 transitions. [2022-07-14 14:41:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-14 14:41:33,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:41:33,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 14:41:33,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-14 14:41:33,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:41:33,435 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 14:41:33,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:41:33,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1455665376, now seen corresponding path program 1 times [2022-07-14 14:41:33,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:41:33,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844448865] [2022-07-14 14:41:33,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:33,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:41:33,538 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 14:41:33,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447993196] [2022-07-14 14:41:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:33,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:41:33,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:41:33,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 14:41:33,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-14 14:41:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:41:34,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 14:41:34,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:41:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:41:34,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 14:41:34,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:41:34,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844448865] [2022-07-14 14:41:34,130 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 14:41:34,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447993196] [2022-07-14 14:41:34,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447993196] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:41:34,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:41:34,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 14:41:34,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344182025] [2022-07-14 14:41:34,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:41:34,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 14:41:34,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:41:34,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 14:41:34,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 14:41:34,131 INFO L87 Difference]: Start difference. First operand 1187 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:41:34,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:41:34,217 INFO L93 Difference]: Finished difference Result 3460 states and 6557 transitions. [2022-07-14 14:41:34,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 14:41:34,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-07-14 14:41:34,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:41:34,227 INFO L225 Difference]: With dead ends: 3460 [2022-07-14 14:41:34,227 INFO L226 Difference]: Without dead ends: 2281 [2022-07-14 14:41:34,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 14:41:34,231 INFO L413 NwaCegarLoop]: 2762 mSDtfsCounter, 1078 mSDsluCounter, 2192 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 4954 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 14:41:34,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 4954 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 14:41:34,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2022-07-14 14:41:34,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2022-07-14 14:41:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 1264 states have (on average 1.8441455696202531) internal successors, (2331), 2271 states have internal predecessors, (2331), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-07-14 14:41:34,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 4337 transitions. [2022-07-14 14:41:34,478 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 4337 transitions. Word has length 57 [2022-07-14 14:41:34,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:41:34,480 INFO L495 AbstractCegarLoop]: Abstraction has 2277 states and 4337 transitions. [2022-07-14 14:41:34,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:41:34,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 4337 transitions. [2022-07-14 14:41:34,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-14 14:41:34,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:41:34,481 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 14:41:34,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-14 14:41:34,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:41:34,695 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 14:41:34,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:41:34,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1888458446, now seen corresponding path program 1 times [2022-07-14 14:41:34,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:41:34,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171460200] [2022-07-14 14:41:34,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:34,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:41:34,723 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 14:41:34,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306058420] [2022-07-14 14:41:34,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:41:34,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:41:34,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:41:34,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 14:41:34,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-14 14:41:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:41:35,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 160 conjunts are in the unsatisfiable core [2022-07-14 14:41:35,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:41:35,174 INFO L390 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 [2022-07-14 14:41:35,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-14 14:41:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 14:41:35,202 INFO L390 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 [2022-07-14 14:41:35,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 14:41:35,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 14 treesize of output 16 [2022-07-14 14:41:35,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 14:41:35,269 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 14 treesize of output 16 [2022-07-14 14:41:35,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 14:41:35,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 14 treesize of output 16 [2022-07-14 14:41:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 14:41:35,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 14 treesize of output 16 [2022-07-14 14:41:35,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 14:41:35,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 14 treesize of output 16 [2022-07-14 14:41:35,629 INFO L390 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 [2022-07-14 14:41:35,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 14:41:35,643 INFO L356 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-07-14 14:41:35,643 INFO L390 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 [2022-07-14 14:41:35,678 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-07-14 14:41:35,683 INFO L390 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 8 treesize of output 4 [2022-07-14 14:41:55,309 INFO L244 Elim1Store]: Index analysis took 671 ms