/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 07:23:39,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 07:23:39,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 07:23:39,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 07:23:39,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 07:23:39,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 07:23:39,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 07:23:39,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 07:23:39,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 07:23:39,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 07:23:39,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 07:23:39,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 07:23:39,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 07:23:39,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 07:23:39,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 07:23:39,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 07:23:39,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 07:23:39,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 07:23:39,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 07:23:39,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 07:23:39,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 07:23:39,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 07:23:39,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 07:23:39,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 07:23:39,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 07:23:39,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 07:23:39,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 07:23:39,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 07:23:39,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 07:23:39,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 07:23:39,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 07:23:39,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 07:23:39,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 07:23:39,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 07:23:39,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 07:23:39,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 07:23:39,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 07:23:39,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 07:23:39,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 07:23:39,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 07:23:39,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 07:23:39,902 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 07:23:39,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 07:23:39,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 07:23:39,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 07:23:39,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 07:23:39,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 07:23:39,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 07:23:39,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 07:23:39,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 07:23:39,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 07:23:39,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 07:23:39,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 07:23:39,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 07:23:39,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 07:23:39,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 07:23:39,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 07:23:39,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 07:23:39,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 07:23:39,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 07:23:39,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 07:23:39,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 07:23:39,906 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 07:23:40,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 07:23:40,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 07:23:40,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 07:23:40,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 07:23:40,367 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 07:23:40,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2020-12-23 07:23:40,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ed62902b5/86e10d212a3c4e94b3864ce9fc62e9e5/FLAG7b37e53c0 [2020-12-23 07:23:41,054 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 07:23:41,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2020-12-23 07:23:41,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ed62902b5/86e10d212a3c4e94b3864ce9fc62e9e5/FLAG7b37e53c0 [2020-12-23 07:23:41,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ed62902b5/86e10d212a3c4e94b3864ce9fc62e9e5 [2020-12-23 07:23:41,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 07:23:41,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 07:23:41,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 07:23:41,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 07:23:41,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 07:23:41,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2464ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41, skipping insertion in model container [2020-12-23 07:23:41,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 07:23:41,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 07:23:41,664 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] [2020-12-23 07:23:41,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:23:41,702 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 07:23:41,716 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] [2020-12-23 07:23:41,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:23:41,746 INFO L208 MainTranslator]: Completed translation [2020-12-23 07:23:41,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41 WrapperNode [2020-12-23 07:23:41,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 07:23:41,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 07:23:41,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 07:23:41,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 07:23:41,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 07:23:41,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 07:23:41,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 07:23:41,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 07:23:41,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (1/1) ... [2020-12-23 07:23:41,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 07:23:41,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 07:23:41,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 07:23:41,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 07:23:41,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 07:23:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 07:23:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 07:23:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 07:23:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 07:23:42,279 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 07:23:42,279 INFO L299 CfgBuilder]: Removed 29 assume(true) statements. [2020-12-23 07:23:42,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:23:42 BoogieIcfgContainer [2020-12-23 07:23:42,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 07:23:42,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 07:23:42,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 07:23:42,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 07:23:42,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 07:23:41" (1/3) ... [2020-12-23 07:23:42,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dba6305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:23:42, skipping insertion in model container [2020-12-23 07:23:42,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:23:41" (2/3) ... [2020-12-23 07:23:42,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dba6305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:23:42, skipping insertion in model container [2020-12-23 07:23:42,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:23:42" (3/3) ... [2020-12-23 07:23:42,291 INFO L111 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound10.c [2020-12-23 07:23:42,298 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 07:23:42,303 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-12-23 07:23:42,324 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-12-23 07:23:42,353 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 07:23:42,354 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 07:23:42,354 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 07:23:42,354 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 07:23:42,354 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 07:23:42,354 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 07:23:42,354 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 07:23:42,355 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 07:23:42,372 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-12-23 07:23:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-23 07:23:42,378 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:42,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:42,380 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:42,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:42,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1804972333, now seen corresponding path program 1 times [2020-12-23 07:23:42,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:42,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801630957] [2020-12-23 07:23:42,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:23:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:42,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801630957] [2020-12-23 07:23:42,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:23:42,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 07:23:42,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968997225] [2020-12-23 07:23:42,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 07:23:42,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:42,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 07:23:42,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 07:23:42,599 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2020-12-23 07:23:42,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:42,636 INFO L93 Difference]: Finished difference Result 103 states and 130 transitions. [2020-12-23 07:23:42,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 07:23:42,637 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-12-23 07:23:42,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:42,645 INFO L225 Difference]: With dead ends: 103 [2020-12-23 07:23:42,645 INFO L226 Difference]: Without dead ends: 49 [2020-12-23 07:23:42,649 INFO L677 BasicCegarLoop]: 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 [2020-12-23 07:23:42,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-23 07:23:42,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-23 07:23:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-23 07:23:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2020-12-23 07:23:42,688 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 7 [2020-12-23 07:23:42,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:42,688 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2020-12-23 07:23:42,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 07:23:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2020-12-23 07:23:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-23 07:23:42,689 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:42,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:42,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 07:23:42,690 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:42,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:42,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1806819375, now seen corresponding path program 1 times [2020-12-23 07:23:42,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:42,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553945588] [2020-12-23 07:23:42,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:23:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:42,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553945588] [2020-12-23 07:23:42,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:23:42,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 07:23:42,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243137305] [2020-12-23 07:23:42,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 07:23:42,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:42,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 07:23:42,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 07:23:42,826 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 4 states. [2020-12-23 07:23:43,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:43,003 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2020-12-23 07:23:43,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 07:23:43,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-23 07:23:43,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:43,005 INFO L225 Difference]: With dead ends: 50 [2020-12-23 07:23:43,005 INFO L226 Difference]: Without dead ends: 46 [2020-12-23 07:23:43,006 INFO L677 BasicCegarLoop]: 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 [2020-12-23 07:23:43,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-12-23 07:23:43,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2020-12-23 07:23:43,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-23 07:23:43,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2020-12-23 07:23:43,016 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 7 [2020-12-23 07:23:43,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:43,016 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2020-12-23 07:23:43,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 07:23:43,017 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2020-12-23 07:23:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 07:23:43,017 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:43,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:43,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 07:23:43,018 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:43,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:43,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1186787538, now seen corresponding path program 1 times [2020-12-23 07:23:43,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:43,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768370474] [2020-12-23 07:23:43,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:43,042 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:23:43,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1964893315] [2020-12-23 07:23:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:23:43,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-23 07:23:43,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:23:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:43,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768370474] [2020-12-23 07:23:43,306 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:23:43,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964893315] [2020-12-23 07:23:43,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:23:43,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 07:23:43,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3025140] [2020-12-23 07:23:43,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 07:23:43,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:43,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 07:23:43,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 07:23:43,314 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 6 states. [2020-12-23 07:23:43,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:43,591 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2020-12-23 07:23:43,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 07:23:43,592 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-12-23 07:23:43,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:43,594 INFO L225 Difference]: With dead ends: 87 [2020-12-23 07:23:43,594 INFO L226 Difference]: Without dead ends: 79 [2020-12-23 07:23:43,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-23 07:23:43,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-23 07:23:43,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 66. [2020-12-23 07:23:43,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-12-23 07:23:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2020-12-23 07:23:43,609 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 9 [2020-12-23 07:23:43,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:43,610 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2020-12-23 07:23:43,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 07:23:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2020-12-23 07:23:43,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-23 07:23:43,611 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:43,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:43,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-23 07:23:43,825 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:43,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:43,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1958320619, now seen corresponding path program 1 times [2020-12-23 07:23:43,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:43,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889618913] [2020-12-23 07:23:43,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:43,844 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:23:43,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [421438640] [2020-12-23 07:23:43,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:23:43,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-23 07:23:43,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:23:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:44,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889618913] [2020-12-23 07:23:44,024 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:23:44,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421438640] [2020-12-23 07:23:44,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:23:44,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 07:23:44,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130275607] [2020-12-23 07:23:44,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 07:23:44,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:44,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 07:23:44,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 07:23:44,027 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 6 states. [2020-12-23 07:23:44,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:44,206 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2020-12-23 07:23:44,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 07:23:44,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-12-23 07:23:44,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:44,212 INFO L225 Difference]: With dead ends: 78 [2020-12-23 07:23:44,212 INFO L226 Difference]: Without dead ends: 74 [2020-12-23 07:23:44,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-23 07:23:44,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-12-23 07:23:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 66. [2020-12-23 07:23:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-12-23 07:23:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2020-12-23 07:23:44,244 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 11 [2020-12-23 07:23:44,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:44,244 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2020-12-23 07:23:44,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 07:23:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-12-23 07:23:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 07:23:44,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:44,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:44,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:44,460 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:44,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:44,461 INFO L82 PathProgramCache]: Analyzing trace with hash -750282760, now seen corresponding path program 1 times [2020-12-23 07:23:44,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:44,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76145071] [2020-12-23 07:23:44,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:44,477 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:23:44,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [961635922] [2020-12-23 07:23:44,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:23:44,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-23 07:23:44,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:23:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:44,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76145071] [2020-12-23 07:23:44,645 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:23:44,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961635922] [2020-12-23 07:23:44,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:23:44,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 07:23:44,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440380099] [2020-12-23 07:23:44,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 07:23:44,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:44,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 07:23:44,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 07:23:44,647 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand 6 states. [2020-12-23 07:23:44,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:44,885 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2020-12-23 07:23:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 07:23:44,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-23 07:23:44,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:44,887 INFO L225 Difference]: With dead ends: 75 [2020-12-23 07:23:44,887 INFO L226 Difference]: Without dead ends: 57 [2020-12-23 07:23:44,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-23 07:23:44,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-23 07:23:44,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2020-12-23 07:23:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-23 07:23:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2020-12-23 07:23:44,895 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 13 [2020-12-23 07:23:44,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:44,896 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2020-12-23 07:23:44,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 07:23:44,896 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2020-12-23 07:23:44,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 07:23:44,897 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:44,897 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:45,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:45,106 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:45,108 INFO L82 PathProgramCache]: Analyzing trace with hash 41188983, now seen corresponding path program 1 times [2020-12-23 07:23:45,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:45,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688025062] [2020-12-23 07:23:45,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:45,122 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:23:45,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [593911397] [2020-12-23 07:23:45,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:23:45,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-23 07:23:45,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:23:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:45,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688025062] [2020-12-23 07:23:45,285 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:23:45,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593911397] [2020-12-23 07:23:45,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:23:45,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-12-23 07:23:45,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011572753] [2020-12-23 07:23:45,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 07:23:45,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:45,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 07:23:45,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 07:23:45,288 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 7 states. [2020-12-23 07:23:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:45,515 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2020-12-23 07:23:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 07:23:45,516 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-12-23 07:23:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:45,517 INFO L225 Difference]: With dead ends: 98 [2020-12-23 07:23:45,517 INFO L226 Difference]: Without dead ends: 92 [2020-12-23 07:23:45,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 07:23:45,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-12-23 07:23:45,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 77. [2020-12-23 07:23:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-23 07:23:45,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2020-12-23 07:23:45,528 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 20 [2020-12-23 07:23:45,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:45,528 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2020-12-23 07:23:45,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 07:23:45,528 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2020-12-23 07:23:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 07:23:45,529 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:45,529 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:45,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:45,743 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:45,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:45,744 INFO L82 PathProgramCache]: Analyzing trace with hash 928063098, now seen corresponding path program 1 times [2020-12-23 07:23:45,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:45,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495240121] [2020-12-23 07:23:45,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:45,759 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:23:45,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087019841] [2020-12-23 07:23:45,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:23:45,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-23 07:23:45,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:23:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:45,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495240121] [2020-12-23 07:23:45,927 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:23:45,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087019841] [2020-12-23 07:23:45,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:23:45,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-12-23 07:23:45,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717802511] [2020-12-23 07:23:45,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 07:23:45,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:45,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 07:23:45,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 07:23:45,929 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand 7 states. [2020-12-23 07:23:46,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:46,109 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2020-12-23 07:23:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 07:23:46,109 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-12-23 07:23:46,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:46,110 INFO L225 Difference]: With dead ends: 91 [2020-12-23 07:23:46,110 INFO L226 Difference]: Without dead ends: 81 [2020-12-23 07:23:46,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 07:23:46,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-12-23 07:23:46,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 75. [2020-12-23 07:23:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-23 07:23:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2020-12-23 07:23:46,120 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 22 [2020-12-23 07:23:46,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:46,121 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2020-12-23 07:23:46,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 07:23:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2020-12-23 07:23:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 07:23:46,122 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:46,122 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:46,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-23 07:23:46,337 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:46,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:46,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1813911283, now seen corresponding path program 1 times [2020-12-23 07:23:46,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:46,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539440811] [2020-12-23 07:23:46,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:46,352 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:23:46,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341569247] [2020-12-23 07:23:46,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:23:46,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 26 conjunts are in the unsatisfiable core [2020-12-23 07:23:46,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:23:46,590 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 07:23:46,614 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:46,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539440811] [2020-12-23 07:23:46,614 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:23:46,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341569247] [2020-12-23 07:23:46,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:23:46,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-12-23 07:23:46,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872181443] [2020-12-23 07:23:46,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 07:23:46,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:46,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 07:23:46,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 07:23:46,617 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 8 states. [2020-12-23 07:23:47,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:47,050 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2020-12-23 07:23:47,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 07:23:47,051 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-12-23 07:23:47,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:47,052 INFO L225 Difference]: With dead ends: 81 [2020-12-23 07:23:47,052 INFO L226 Difference]: Without dead ends: 79 [2020-12-23 07:23:47,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-23 07:23:47,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-23 07:23:47,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2020-12-23 07:23:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-23 07:23:47,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2020-12-23 07:23:47,062 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 31 [2020-12-23 07:23:47,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:47,062 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2020-12-23 07:23:47,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 07:23:47,063 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2020-12-23 07:23:47,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 07:23:47,063 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:47,064 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:47,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:47,280 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:47,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:47,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1811048370, now seen corresponding path program 2 times [2020-12-23 07:23:47,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:47,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943103036] [2020-12-23 07:23:47,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:47,295 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:23:47,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321683977] [2020-12-23 07:23:47,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:47,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 07:23:47,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 07:23:47,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-23 07:23:47,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:23:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:47,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943103036] [2020-12-23 07:23:47,486 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:23:47,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321683977] [2020-12-23 07:23:47,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:23:47,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-12-23 07:23:47,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298613617] [2020-12-23 07:23:47,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 07:23:47,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:47,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 07:23:47,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 07:23:47,492 INFO L87 Difference]: Start difference. First operand 75 states and 77 transitions. Second operand 8 states. [2020-12-23 07:23:47,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:47,757 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2020-12-23 07:23:47,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 07:23:47,758 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-12-23 07:23:47,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:47,761 INFO L225 Difference]: With dead ends: 121 [2020-12-23 07:23:47,762 INFO L226 Difference]: Without dead ends: 115 [2020-12-23 07:23:47,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-23 07:23:47,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-23 07:23:47,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 96. [2020-12-23 07:23:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-23 07:23:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions. [2020-12-23 07:23:47,785 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 31 [2020-12-23 07:23:47,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:47,786 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 104 transitions. [2020-12-23 07:23:47,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 07:23:47,786 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2020-12-23 07:23:47,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 07:23:47,790 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:47,791 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:48,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:48,005 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:48,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:48,006 INFO L82 PathProgramCache]: Analyzing trace with hash -587821098, now seen corresponding path program 1 times [2020-12-23 07:23:48,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:48,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692441996] [2020-12-23 07:23:48,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:48,019 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:23:48,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [912873642] [2020-12-23 07:23:48,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:23:48,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-23 07:23:48,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:23:48,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 07:23:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:48,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692441996] [2020-12-23 07:23:48,212 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:23:48,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912873642] [2020-12-23 07:23:48,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:23:48,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-12-23 07:23:48,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503724572] [2020-12-23 07:23:48,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 07:23:48,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:48,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 07:23:48,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 07:23:48,214 INFO L87 Difference]: Start difference. First operand 96 states and 104 transitions. Second operand 8 states. [2020-12-23 07:23:48,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:48,622 INFO L93 Difference]: Finished difference Result 100 states and 106 transitions. [2020-12-23 07:23:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 07:23:48,623 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-12-23 07:23:48,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:48,624 INFO L225 Difference]: With dead ends: 100 [2020-12-23 07:23:48,624 INFO L226 Difference]: Without dead ends: 98 [2020-12-23 07:23:48,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-23 07:23:48,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-12-23 07:23:48,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2020-12-23 07:23:48,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-23 07:23:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 103 transitions. [2020-12-23 07:23:48,644 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 103 transitions. Word has length 33 [2020-12-23 07:23:48,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:48,644 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 103 transitions. [2020-12-23 07:23:48,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 07:23:48,645 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2020-12-23 07:23:48,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 07:23:48,648 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:48,648 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:48,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 07:23:48,863 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:48,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:48,864 INFO L82 PathProgramCache]: Analyzing trace with hash 955884789, now seen corresponding path program 2 times [2020-12-23 07:23:48,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:48,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736184407] [2020-12-23 07:23:48,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:48,875 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:23:48,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1131793459] [2020-12-23 07:23:48,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:48,935 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 07:23:48,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 07:23:48,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 40 conjunts are in the unsatisfiable core [2020-12-23 07:23:48,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:23:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:23:49,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736184407] [2020-12-23 07:23:49,094 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:23:49,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131793459] [2020-12-23 07:23:49,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:23:49,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-12-23 07:23:49,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512875817] [2020-12-23 07:23:49,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 07:23:49,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:23:49,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 07:23:49,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-23 07:23:49,097 INFO L87 Difference]: Start difference. First operand 96 states and 103 transitions. Second operand 10 states. [2020-12-23 07:23:49,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:23:49,359 INFO L93 Difference]: Finished difference Result 111 states and 112 transitions. [2020-12-23 07:23:49,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 07:23:49,361 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 33 [2020-12-23 07:23:49,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:23:49,364 INFO L225 Difference]: With dead ends: 111 [2020-12-23 07:23:49,364 INFO L226 Difference]: Without dead ends: 89 [2020-12-23 07:23:49,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-12-23 07:23:49,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-23 07:23:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2020-12-23 07:23:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-12-23 07:23:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 86 transitions. [2020-12-23 07:23:49,375 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 86 transitions. Word has length 33 [2020-12-23 07:23:49,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:23:49,376 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 86 transitions. [2020-12-23 07:23:49,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 07:23:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2020-12-23 07:23:49,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-23 07:23:49,378 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:23:49,378 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:23:49,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:49,593 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:23:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:23:49,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1745507624, now seen corresponding path program 2 times [2020-12-23 07:23:49,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:23:49,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783274951] [2020-12-23 07:23:49,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:23:49,606 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:23:49,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108094124] [2020-12-23 07:23:49,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:23:49,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 07:23:49,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 07:23:49,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 40 conjunts are in the unsatisfiable core [2020-12-23 07:23:49,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:23:51,935 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (div (+ (* c_ULTIMATE.start_main_~z~0 (- 1)) c_ULTIMATE.start_main_~x~0 12) 2))) (and (= (+ (* c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~x~0) (* 2 (* .cse0 .cse0)) 6) (+ (* 3 (* .cse0 c_ULTIMATE.start_main_~x~0)) (* 4 c_ULTIMATE.start_main_~x~0) (* 16 .cse0))) (<= 1 c_ULTIMATE.start_main_~a~0) (<= c_ULTIMATE.start_main_~n~0 2) (= 0 (mod (+ c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) 2)) (= (+ (* 2 .cse0) 6) c_ULTIMATE.start_main_~x~0))) is different from false [2020-12-23 07:24:16,748 WARN L197 SmtUtils]: Spent 19.76 s on a formula simplification that was a NOOP. DAG size: 34 [2020-12-23 07:24:16,852 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 07:24:16,862 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 07:24:16,872 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 07:24:16,880 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 07:24:16,898 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 07:24:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 22 not checked. [2020-12-23 07:24:18,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783274951] [2020-12-23 07:24:18,962 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:24:18,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108094124] [2020-12-23 07:24:18,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:24:18,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-12-23 07:24:18,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470332306] [2020-12-23 07:24:18,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 07:24:18,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:24:18,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 07:24:18,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=52, Unknown=3, NotChecked=14, Total=90 [2020-12-23 07:24:18,964 INFO L87 Difference]: Start difference. First operand 84 states and 86 transitions. Second operand 10 states. [2020-12-23 07:24:42,565 WARN L197 SmtUtils]: Spent 19.14 s on a formula simplification that was a NOOP. DAG size: 37 [2020-12-23 07:25:19,454 WARN L197 SmtUtils]: Spent 16.71 s on a formula simplification that was a NOOP. DAG size: 36 [2020-12-23 07:25:38,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:25:38,098 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2020-12-23 07:25:38,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 07:25:38,099 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2020-12-23 07:25:38,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:25:38,100 INFO L225 Difference]: With dead ends: 88 [2020-12-23 07:25:38,101 INFO L226 Difference]: Without dead ends: 86 [2020-12-23 07:25:38,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 74.1s TimeCoverageRelationStatistics Valid=39, Invalid=114, Unknown=7, NotChecked=22, Total=182 [2020-12-23 07:25:38,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-12-23 07:25:38,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2020-12-23 07:25:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-12-23 07:25:38,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-12-23 07:25:38,110 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 42 [2020-12-23 07:25:38,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:25:38,111 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-12-23 07:25:38,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 07:25:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-12-23 07:25:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-23 07:25:38,112 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:25:38,112 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2020-12-23 07:25:38,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:25:38,328 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:25:38,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:25:38,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1748370537, now seen corresponding path program 3 times [2020-12-23 07:25:38,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:25:38,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537205245] [2020-12-23 07:25:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:25:38,341 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:25:38,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497894093] [2020-12-23 07:25:38,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:25:38,452 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-23 07:25:38,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 07:25:38,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-23 07:25:38,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:25:38,539 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 07:25:39,691 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 31 [2020-12-23 07:25:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-23 07:25:39,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537205245] [2020-12-23 07:25:39,810 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:25:39,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497894093] [2020-12-23 07:25:39,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:25:39,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 07:25:39,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917795043] [2020-12-23 07:25:39,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 07:25:39,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:25:39,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 07:25:39,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 07:25:39,812 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 8 states. [2020-12-23 07:25:46,354 WARN L197 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-12-23 07:25:48,372 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (* 12 c_ULTIMATE.start_main_~y~0))) (let ((.cse1 (= .cse4 (+ (* 36 c_ULTIMATE.start_main_~n~0) (* 36 (* c_ULTIMATE.start_main_~n~0 c_ULTIMATE.start_main_~n~0)) 12))) (.cse0 (= 1 c_ULTIMATE.start___VERIFIER_assert_~cond)) (.cse3 (= 0 c_ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= (+ .cse4 (* 6 c_ULTIMATE.start_main_~z~0)) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0) 12)))) (and .cse0 (or (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (= c_ULTIMATE.start_assume_abort_if_not_~cond 1)) .cse1 .cse2 (or (and .cse0 .cse1) (and (exists ((ULTIMATE.start_main_~z~0 Int)) (and (not (= ULTIMATE.start_main_~z~0 (+ (* 6 c_ULTIMATE.start_main_~n~0) 6))) (= (+ (* 12 c_ULTIMATE.start_main_~y~0) (* 6 ULTIMATE.start_main_~z~0)) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0) 12)))) .cse3)) (or (and .cse0 .cse2) (and .cse3 (not .cse2)))))) is different from false