/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:36:35,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:36:35,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:36:35,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:36:35,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:36:35,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:36:35,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:36:35,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:36:35,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:36:35,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:36:35,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:36:35,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:36:35,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:36:35,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:36:35,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:36:35,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:36:35,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:36:35,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:36:35,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:36:35,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:36:35,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:36:35,546 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:36:35,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:36:35,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:36:35,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:36:35,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:36:35,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:36:35,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:36:35,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:36:35,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:36:35,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:36:35,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:36:35,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:36:35,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:36:35,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:36:35,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:36:35,555 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:36:35,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:36:35,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:36:35,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:36:35,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:36:35,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:36:35,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:36:35,556 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:36:35,556 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:36:35,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:36:35,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:36:35,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:36:35,935 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:36:35,936 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:36:35,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label43.c [2021-02-24 04:36:36,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85755cb63/6a0bf37fbe3f4aa080a4736ced2a984a/FLAG5d3542671 [2021-02-24 04:36:36,830 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:36:36,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label43.c [2021-02-24 04:36:36,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85755cb63/6a0bf37fbe3f4aa080a4736ced2a984a/FLAG5d3542671 [2021-02-24 04:36:37,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85755cb63/6a0bf37fbe3f4aa080a4736ced2a984a [2021-02-24 04:36:37,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:36:37,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:36:37,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:36:37,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:36:37,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:36:37,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:36:37" (1/1) ... [2021-02-24 04:36:37,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0a95d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37, skipping insertion in model container [2021-02-24 04:36:37,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:36:37" (1/1) ... [2021-02-24 04:36:37,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:36:37,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:36:37,565 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label43.c[15084,15097] [2021-02-24 04:36:37,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:36:37,661 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:36:37,768 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label43.c[15084,15097] [2021-02-24 04:36:37,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:36:37,805 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:36:37,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37 WrapperNode [2021-02-24 04:36:37,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:36:37,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:36:37,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:36:37,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:36:37,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37" (1/1) ... [2021-02-24 04:36:37,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37" (1/1) ... [2021-02-24 04:36:37,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37" (1/1) ... [2021-02-24 04:36:37,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37" (1/1) ... [2021-02-24 04:36:37,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37" (1/1) ... [2021-02-24 04:36:37,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37" (1/1) ... [2021-02-24 04:36:37,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37" (1/1) ... [2021-02-24 04:36:37,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:36:37,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:36:37,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:36:37,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:36:37,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-02-24 04:36:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:36:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:36:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:36:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 04:36:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:36:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 04:36:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:36:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:36:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:36:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:36:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:36:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:36:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:36:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:36:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:36:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:36:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:36:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:36:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:36:40,015 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:36:40,016 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:36:40,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:36:40 BoogieIcfgContainer [2021-02-24 04:36:40,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:36:40,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:36:40,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:36:40,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:36:40,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:36:37" (1/3) ... [2021-02-24 04:36:40,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4475ef60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:36:40, skipping insertion in model container [2021-02-24 04:36:40,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:36:37" (2/3) ... [2021-02-24 04:36:40,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4475ef60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:36:40, skipping insertion in model container [2021-02-24 04:36:40,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:36:40" (3/3) ... [2021-02-24 04:36:40,028 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label43.c [2021-02-24 04:36:40,035 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:36:40,040 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:36:40,059 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:36:40,084 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:36:40,084 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:36:40,084 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:36:40,084 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:36:40,084 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:36:40,085 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:36:40,085 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:36:40,085 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:36:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-24 04:36:40,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-02-24 04:36:40,134 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:36:40,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:36:40,136 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:36:40,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:36:40,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1663900185, now seen corresponding path program 1 times [2021-02-24 04:36:40,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:36:40,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006392716] [2021-02-24 04:36:40,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:36:40,232 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:36:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:36:40,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:40,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:36:40,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:40,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:36:40,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:40,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:36:40,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:40,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:36:40,809 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-24 04:36:40,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:36:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:36:40,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:40,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:36:40,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:40,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:36:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:36:40,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006392716] [2021-02-24 04:36:40,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:36:40,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:36:40,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790113473] [2021-02-24 04:36:40,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:36:40,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:36:40,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:36:40,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:36:40,906 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 4 states. [2021-02-24 04:36:41,168 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-24 04:36:43,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:36:43,835 INFO L93 Difference]: Finished difference Result 1405 states and 1859 transitions. [2021-02-24 04:36:43,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 04:36:43,837 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2021-02-24 04:36:43,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:36:43,877 INFO L225 Difference]: With dead ends: 1405 [2021-02-24 04:36:43,877 INFO L226 Difference]: Without dead ends: 796 [2021-02-24 04:36:43,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:36:43,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2021-02-24 04:36:44,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 673. [2021-02-24 04:36:44,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2021-02-24 04:36:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 821 transitions. [2021-02-24 04:36:44,100 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 821 transitions. Word has length 119 [2021-02-24 04:36:44,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:36:44,101 INFO L480 AbstractCegarLoop]: Abstraction has 673 states and 821 transitions. [2021-02-24 04:36:44,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:36:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 821 transitions. [2021-02-24 04:36:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-02-24 04:36:44,109 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:36:44,110 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:36:44,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:36:44,110 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:36:44,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:36:44,111 INFO L82 PathProgramCache]: Analyzing trace with hash 170508856, now seen corresponding path program 1 times [2021-02-24 04:36:44,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:36:44,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020368592] [2021-02-24 04:36:44,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:36:44,162 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,188 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,196 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,202 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,238 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:36:44,250 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:36:44,256 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:36:44,261 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:36:44,266 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:36:44,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:36:44,277 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:36:44,282 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,287 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,290 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,295 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,325 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:36:44,328 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:36:44,332 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:36:44,334 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:36:44,335 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:36:44,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:36:44,342 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:36:44,346 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,352 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,355 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,362 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,393 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:36:44,395 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:36:44,399 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:36:44,400 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:36:44,403 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:36:44,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:36:44,409 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:36:44,411 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,416 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,418 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,423 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,457 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:36:44,459 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:36:44,462 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:36:44,464 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:36:44,466 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:36:44,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:36:44,473 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:36:44,475 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,480 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,483 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,487 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,516 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:36:44,518 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:36:44,521 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:36:44,523 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:36:44,525 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:36:44,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:36:44,530 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:36:44,532 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,537 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,540 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size [2021-02-24 04:36:44,544 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.1 percent of original size 54 [2021-02-24 04:36:44,573 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-24 04:36:44,575 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-24 04:36:44,578 WARN L141 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-02-24 04:36:44,579 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:36:44,581 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:36:44,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:36:44,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:36:44,586 WARN L147 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size 77 [2021-02-24 04:36:44,587 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:36:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:36:44,687 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:36:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:36:44,796 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:36:44,883 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 04:36:44,883 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 04:36:44,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 04:36:44,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:36:44 BoogieIcfgContainer [2021-02-24 04:36:44,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:36:44,927 INFO L168 Benchmark]: Toolchain (without parser) took 7831.48 ms. Allocated memory was 151.0 MB in the beginning and 229.6 MB in the end (delta: 78.6 MB). Free memory was 125.8 MB in the beginning and 191.0 MB in the end (delta: -65.2 MB). Peak memory consumption was 131.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:36:44,931 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:36:44,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.23 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 98.8 MB in the end (delta: 25.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:36:44,939 INFO L168 Benchmark]: Boogie Preprocessor took 114.30 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 94.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:36:44,939 INFO L168 Benchmark]: RCFGBuilder took 2096.38 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 93.7 MB in the beginning and 123.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 40.5 MB. Max. memory is 8.0 GB. [2021-02-24 04:36:44,940 INFO L168 Benchmark]: TraceAbstraction took 4904.30 ms. Allocated memory was 190.8 MB in the beginning and 229.6 MB in the end (delta: 38.8 MB). Free memory was 122.9 MB in the beginning and 191.0 MB in the end (delta: -68.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:36:44,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 695.23 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 98.8 MB in the end (delta: 25.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 114.30 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 94.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2096.38 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 93.7 MB in the beginning and 123.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 40.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4904.30 ms. Allocated memory was 190.8 MB in the beginning and 229.6 MB in the end (delta: 38.8 MB). Free memory was 122.9 MB in the beginning and 191.0 MB in the end (delta: -68.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 437]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int e= 5; [L19] int d= 4; [L20] int f= 6; [L21] int c= 3; [L24] int u = 21; [L25] int v = 22; [L26] int w = 23; [L27] int x = 24; [L28] int y = 25; [L29] int z = 26; [L32] int a25 = 0; [L33] int a11 = 0; [L34] int a28 = 7; [L35] int a19 = 1; [L36] int a21 = 1; [L37] int a17 = 8; [L613] int output = -1; [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL, EXPR calculate_output(input) [L40] COND TRUE (((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8)) [L41] a28 = 9 [L42] a11 = 1 [L43] a25 = 1 [L44] return -1; [L624] RET, EXPR calculate_output(input) [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L185] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L189] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L195] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L197] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L199] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L201] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L204] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L208] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L212] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L222] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L225] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L228] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L233] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L235] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L242] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L244] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L247] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L258] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L263] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L269] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L271] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L286] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L290] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L293] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L296] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L301] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L303] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L307] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L319] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L324] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L338] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L341] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L347] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L359] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L364] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L371] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L378] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L385] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L388] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L390] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L399] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L404] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L408] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L412] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L414] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L417] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L419] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L424] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L427] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L430] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L433] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L436] COND TRUE ((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8)) [L437] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 539 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.8s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 337 SDtfs, 895 SDslu, 156 SDs, 0 SdLazy, 1005 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=673occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...