/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/bitvector/jain_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:56:26,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:56:26,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:56:26,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:56:26,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:56:26,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:56:26,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:56:26,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:56:26,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:56:26,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:56:26,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:56:26,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:56:26,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:56:26,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:56:26,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:56:26,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:56:26,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:56:26,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:56:26,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:56:26,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:56:26,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:56:26,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:56:26,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:56:26,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:56:26,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:56:26,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:56:26,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:56:26,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:56:26,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:56:26,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:56:26,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:56:26,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:56:26,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:56:26,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:56:26,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:56:26,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:56:26,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:56:26,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:56:26,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:56:26,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:56:26,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:56:26,685 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 03:56:26,698 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:56:26,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:56:26,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:56:26,700 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:56:26,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:56:26,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:56:26,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:56:26,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:56:26,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:56:26,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:56:26,702 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:56:26,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:56:26,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:56:26,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:56:26,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:56:26,703 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:56:26,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:56:26,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:56:26,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:56:26,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:56:26,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:56:26,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:56:26,704 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:56:26,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:56:27,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:56:27,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:56:27,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:56:27,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:56:27,176 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:56:27,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/jain_1-1.c [2021-02-24 03:56:27,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b7a3690/ee7a0a3723a5483dac43ccde0573466f/FLAG6f8cfa9a0 [2021-02-24 03:56:27,871 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:56:27,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_1-1.c [2021-02-24 03:56:27,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b7a3690/ee7a0a3723a5483dac43ccde0573466f/FLAG6f8cfa9a0 [2021-02-24 03:56:28,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b7a3690/ee7a0a3723a5483dac43ccde0573466f [2021-02-24 03:56:28,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:56:28,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:56:28,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:56:28,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:56:28,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:56:28,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:56:28" (1/1) ... [2021-02-24 03:56:28,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3741dcf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28, skipping insertion in model container [2021-02-24 03:56:28,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:56:28" (1/1) ... [2021-02-24 03:56:28,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:56:28,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:56:28,456 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_1-1.c[370,383] [2021-02-24 03:56:28,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:56:28,479 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:56:28,494 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_1-1.c[370,383] [2021-02-24 03:56:28,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:56:28,514 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:56:28,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28 WrapperNode [2021-02-24 03:56:28,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:56:28,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:56:28,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:56:28,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:56:28,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28" (1/1) ... [2021-02-24 03:56:28,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28" (1/1) ... [2021-02-24 03:56:28,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28" (1/1) ... [2021-02-24 03:56:28,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28" (1/1) ... [2021-02-24 03:56:28,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28" (1/1) ... [2021-02-24 03:56:28,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28" (1/1) ... [2021-02-24 03:56:28,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28" (1/1) ... [2021-02-24 03:56:28,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:56:28,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:56:28,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:56:28,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:56:28,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28" (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 03:56:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:56:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:56:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:56:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-24 03:56:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:56:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:56:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:56:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:56:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:56:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-24 03:56:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-24 03:56:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:56:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:56:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:56:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:56:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:56:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:56:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:56:28,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:56:28,986 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 03:56:28,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:56:28 BoogieIcfgContainer [2021-02-24 03:56:28,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:56:28,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:56:28,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:56:28,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:56:28,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:56:28" (1/3) ... [2021-02-24 03:56:28,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24efbf1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:56:28, skipping insertion in model container [2021-02-24 03:56:28,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:28" (2/3) ... [2021-02-24 03:56:29,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24efbf1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:56:29, skipping insertion in model container [2021-02-24 03:56:29,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:56:28" (3/3) ... [2021-02-24 03:56:29,002 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_1-1.c [2021-02-24 03:56:29,011 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:56:29,017 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:56:29,041 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:56:29,071 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:56:29,072 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:56:29,072 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:56:29,072 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:56:29,072 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:56:29,072 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:56:29,073 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:56:29,073 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:56:29,089 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2021-02-24 03:56:29,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-02-24 03:56:29,099 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:56:29,104 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] [2021-02-24 03:56:29,104 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:56:29,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:56:29,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1256106646, now seen corresponding path program 1 times [2021-02-24 03:56:29,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:56:29,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292898804] [2021-02-24 03:56:29,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:56:29,273 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:56:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:29,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:29,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:29,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:29,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:56:29,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:29,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:56:29,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:29,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:56:29,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:29,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:56:29,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:29,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:29,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:56:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:29,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:29,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:29,743 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 03:56:29,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292898804] [2021-02-24 03:56:29,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:56:29,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 03:56:29,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532544726] [2021-02-24 03:56:29,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 03:56:29,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:56:29,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 03:56:29,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-24 03:56:29,774 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 7 states. [2021-02-24 03:56:30,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:56:30,192 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2021-02-24 03:56:30,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-24 03:56:30,194 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2021-02-24 03:56:30,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:56:30,203 INFO L225 Difference]: With dead ends: 50 [2021-02-24 03:56:30,203 INFO L226 Difference]: Without dead ends: 34 [2021-02-24 03:56:30,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-02-24 03:56:30,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-02-24 03:56:30,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2021-02-24 03:56:30,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-02-24 03:56:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-02-24 03:56:30,257 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 21 [2021-02-24 03:56:30,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:56:30,258 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-02-24 03:56:30,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 03:56:30,258 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-02-24 03:56:30,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-02-24 03:56:30,259 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:56:30,259 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:56:30,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:56:30,260 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:56:30,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:56:30,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1313540779, now seen corresponding path program 1 times [2021-02-24 03:56:30,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:56:30,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37066270] [2021-02-24 03:56:30,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:56:30,334 WARN L141 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-02-24 03:56:30,348 WARN L147 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size 17 [2021-02-24 03:56:30,355 WARN L141 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-02-24 03:56:30,358 WARN L147 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size 17 [2021-02-24 03:56:30,372 WARN L141 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-02-24 03:56:30,388 INFO L723 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2021-02-24 03:56:30,395 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 03:56:30,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:56:30,430 WARN L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-02-24 03:56:30,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:56:30,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:56:30,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:56:30,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:56:30,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:56:30,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-02-24 03:56:30,557 WARN L141 QuantifierPusher]: treesize reduction -7, result has 102.8 percent of original size [2021-02-24 03:56:30,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:56:30,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:56:30,579 WARN L147 QuantifierPusher]: treesize reduction -7, result has 102.8 percent of original size 255 [2021-02-24 03:56:30,581 WARN L141 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size [2021-02-24 03:56:30,582 WARN L147 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size 1 [2021-02-24 03:56:30,583 WARN L141 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size [2021-02-24 03:56:30,584 WARN L147 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size 1 [2021-02-24 03:56:30,587 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:56:30,589 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:56:30,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:56:30,599 WARN L141 QuantifierPusher]: treesize reduction 19, result has 5.0 percent of original size [2021-02-24 03:56:30,600 WARN L147 QuantifierPusher]: treesize reduction 19, result has 5.0 percent of original size 1 [2021-02-24 03:56:30,601 WARN L141 QuantifierPusher]: treesize reduction 19, result has 5.0 percent of original size [2021-02-24 03:56:30,601 WARN L147 QuantifierPusher]: treesize reduction 19, result has 5.0 percent of original size 1 [2021-02-24 03:56:30,604 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:56:30,606 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:56:30,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:56:30,616 WARN L141 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-02-24 03:56:30,617 WARN L147 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size 15 [2021-02-24 03:56:30,619 WARN L141 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-02-24 03:56:30,621 WARN L147 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size 15 [2021-02-24 03:56:30,628 WARN L141 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-02-24 03:56:30,630 INFO L723 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2021-02-24 03:56:30,632 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:56:30,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:56:30,653 WARN L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-02-24 03:56:30,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-24 03:56:30,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:56:30,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:56:30,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 03:56:30,751 WARN L141 QuantifierPusher]: treesize reduction -7, result has 102.8 percent of original size [2021-02-24 03:56:30,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:56:30,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:56:30,786 WARN L147 QuantifierPusher]: treesize reduction -7, result has 102.8 percent of original size 253 [2021-02-24 03:56:30,790 WARN L141 QuantifierPusher]: treesize reduction 21, result has 4.5 percent of original size [2021-02-24 03:56:30,791 WARN L147 QuantifierPusher]: treesize reduction 21, result has 4.5 percent of original size 1 [2021-02-24 03:56:30,794 WARN L141 QuantifierPusher]: treesize reduction 21, result has 4.5 percent of original size [2021-02-24 03:56:30,794 WARN L147 QuantifierPusher]: treesize reduction 21, result has 4.5 percent of original size 1 [2021-02-24 03:56:30,798 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:56:30,801 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:56:30,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:56:30,826 WARN L141 QuantifierPusher]: treesize reduction 7, result has 68.2 percent of original size [2021-02-24 03:56:30,828 WARN L147 QuantifierPusher]: treesize reduction 7, result has 68.2 percent of original size 15 [2021-02-24 03:56:30,829 WARN L141 QuantifierPusher]: treesize reduction 7, result has 68.2 percent of original size [2021-02-24 03:56:30,832 WARN L147 QuantifierPusher]: treesize reduction 7, result has 68.2 percent of original size 15 [2021-02-24 03:56:30,843 WARN L141 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-02-24 03:56:30,851 INFO L723 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2021-02-24 03:56:30,862 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:56:30,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:56:30,898 WARN L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-02-24 03:56:30,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-24 03:56:30,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:56:30,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:56:30,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:30,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:30,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:56:30,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:31,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:31,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:56:31,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-02-24 03:56:31,027 WARN L141 QuantifierPusher]: treesize reduction -7, result has 102.8 percent of original size [2021-02-24 03:56:31,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:31,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:31,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:56:31,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:56:31,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:31,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:56:31,061 WARN L147 QuantifierPusher]: treesize reduction -7, result has 102.8 percent of original size 253 [2021-02-24 03:56:31,063 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 03:56:31,103 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2021-02-24 03:56:31,103 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 03:56:31,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:56:31,125 WARN L227 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2021-02-24 03:56:31,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 03:56:31 BoogieIcfgContainer [2021-02-24 03:56:31,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 03:56:31,127 INFO L168 Benchmark]: Toolchain (without parser) took 2873.97 ms. Allocated memory is still 158.3 MB. Free memory was 134.1 MB in the beginning and 57.3 MB in the end (delta: 76.8 MB). Peak memory consumption was 77.2 MB. Max. memory is 8.0 GB. [2021-02-24 03:56:31,127 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 158.3 MB. Free memory is still 133.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 03:56:31,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.98 ms. Allocated memory is still 158.3 MB. Free memory was 133.0 MB in the beginning and 124.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-24 03:56:31,128 INFO L168 Benchmark]: Boogie Preprocessor took 36.60 ms. Allocated memory is still 158.3 MB. Free memory was 124.0 MB in the beginning and 122.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-24 03:56:31,129 INFO L168 Benchmark]: RCFGBuilder took 438.13 ms. Allocated memory is still 158.3 MB. Free memory was 122.6 MB in the beginning and 108.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-02-24 03:56:31,129 INFO L168 Benchmark]: TraceAbstraction took 2132.85 ms. Allocated memory is still 158.3 MB. Free memory was 108.4 MB in the beginning and 57.3 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. [2021-02-24 03:56:31,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 158.3 MB. Free memory is still 133.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 249.98 ms. Allocated memory is still 158.3 MB. Free memory was 133.0 MB in the beginning and 124.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.60 ms. Allocated memory is still 158.3 MB. Free memory was 124.0 MB in the beginning and 122.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 438.13 ms. Allocated memory is still 158.3 MB. Free memory was 122.6 MB in the beginning and 108.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2132.85 ms. Allocated memory is still 158.3 MB. Free memory was 108.4 MB in the beginning and 57.3 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L14] unsigned int y; [L16] y = 1U [L18] COND TRUE 1 [L20] y = y +2U*__VERIFIER_nondet_uint() [L23] CALL __VERIFIER_assert (y!=0U) [L7] COND FALSE !(!(cond)) [L23] RET __VERIFIER_assert (y!=0U) [L18] COND TRUE 1 [L20] y = y +2U*__VERIFIER_nondet_uint() [L23] CALL __VERIFIER_assert (y!=0U) [L7] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 24 SDslu, 54 SDs, 0 SdLazy, 56 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...