/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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 07:14:27,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 07:14:27,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 07:14:27,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-16 07:14:27,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-16 07:14:27,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-16 07:14:27,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-16 07:14:27,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-16 07:14:27,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-16 07:14:27,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-16 07:14:27,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-16 07:14:27,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-16 07:14:27,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 07:14:27,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 07:14:27,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 07:14:27,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 07:14:27,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 07:14:27,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 07:14:27,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 07:14:27,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 07:14:27,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 07:14:27,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 07:14:27,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 07:14:27,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 07:14:27,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-16 07:14:27,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-16 07:14:27,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-16 07:14:27,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-16 07:14:27,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-16 07:14:27,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-16 07:14:27,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-16 07:14:27,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-16 07:14:27,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-16 07:14:27,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-16 07:14:27,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-16 07:14:27,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-16 07:14:27,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-16 07:14:27,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-16 07:14:27,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 07:14:27,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 07:14:27,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 07:14:27,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-04-16 07:14:27,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 07:14:27,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 07:14:27,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 07:14:27,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 07:14:27,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 07:14:27,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 07:14:27,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 07:14:27,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 07:14:27,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 07:14:27,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 07:14:27,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 07:14:27,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 07:14:27,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 07:14:27,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 07:14:27,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 07:14:27,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 07:14:27,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 07:14:27,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 07:14:27,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 07:14:27,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 07:14:27,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-04-16 07:14:27,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-16 07:14:27,299 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-04-16 07:14:27,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 07:14:27,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 07:14:27,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 07:14:27,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 07:14:27,598 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 07:14:27,598 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 07:14:27,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2021-04-16 07:14:27,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bfb6eaac/ef05e1d7077347dfbc017690ea7badfe/FLAGd3ce5fd99 [2021-04-16 07:14:28,005 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 07:14:28,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2021-04-16 07:14:28,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bfb6eaac/ef05e1d7077347dfbc017690ea7badfe/FLAGd3ce5fd99 [2021-04-16 07:14:28,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bfb6eaac/ef05e1d7077347dfbc017690ea7badfe [2021-04-16 07:14:28,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 07:14:28,028 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-16 07:14:28,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 07:14:28,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 07:14:28,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 07:14:28,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:14:28" (1/1) ... [2021-04-16 07:14:28,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdebb58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28, skipping insertion in model container [2021-04-16 07:14:28,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:14:28" (1/1) ... [2021-04-16 07:14:28,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 07:14:28,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 07:14:28,186 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c[1238,1251] [2021-04-16 07:14:28,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:14:28,196 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 07:14:28,211 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c[1238,1251] [2021-04-16 07:14:28,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:14:28,223 INFO L208 MainTranslator]: Completed translation [2021-04-16 07:14:28,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28 WrapperNode [2021-04-16 07:14:28,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 07:14:28,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 07:14:28,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 07:14:28,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 07:14:28,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28" (1/1) ... [2021-04-16 07:14:28,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28" (1/1) ... [2021-04-16 07:14:28,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28" (1/1) ... [2021-04-16 07:14:28,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28" (1/1) ... [2021-04-16 07:14:28,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28" (1/1) ... [2021-04-16 07:14:28,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28" (1/1) ... [2021-04-16 07:14:28,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28" (1/1) ... [2021-04-16 07:14:28,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 07:14:28,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 07:14:28,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 07:14:28,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 07:14:28,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28" (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 [2021-04-16 07:14:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 07:14:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 07:14:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 07:14:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-04-16 07:14:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 07:14:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 07:14:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 07:14:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 07:14:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 07:14:28,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-04-16 07:14:28,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 07:14:28,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-04-16 07:14:28,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 07:14:28,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 07:14:28,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 07:14:28,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 07:14:28,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 07:14:28,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 07:14:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 07:14:28,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 07:14:28,514 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-16 07:14:28,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:14:28 BoogieIcfgContainer [2021-04-16 07:14:28,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 07:14:28,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 07:14:28,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 07:14:28,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 07:14:28,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 07:14:28" (1/3) ... [2021-04-16 07:14:28,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9e852f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:14:28, skipping insertion in model container [2021-04-16 07:14:28,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:14:28" (2/3) ... [2021-04-16 07:14:28,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9e852f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:14:28, skipping insertion in model container [2021-04-16 07:14:28,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:14:28" (3/3) ... [2021-04-16 07:14:28,520 INFO L111 eAbstractionObserver]: Analyzing ICFG gsv2008.c.i.v+lhb-reducer.c [2021-04-16 07:14:28,523 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-04-16 07:14:28,526 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 07:14:28,536 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 07:14:28,548 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 07:14:28,548 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-16 07:14:28,549 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-04-16 07:14:28,549 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 07:14:28,549 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 07:14:28,549 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 07:14:28,549 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 07:14:28,549 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 07:14:28,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-04-16 07:14:28,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-04-16 07:14:28,562 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:14:28,563 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:14:28,563 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:14:28,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:14:28,567 INFO L82 PathProgramCache]: Analyzing trace with hash -782080232, now seen corresponding path program 1 times [2021-04-16 07:14:28,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:14:28,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941790116] [2021-04-16 07:14:28,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:14:28,612 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 07:14:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:14:28,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:28,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:14:28,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:28,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 07:14:28,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:28,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 07:14:28,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:28,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:14:28,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:28,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:14:28,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:14:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:14:28,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:28,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:14:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:14:28,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941790116] [2021-04-16 07:14:28,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:14:28,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-16 07:14:28,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125506766] [2021-04-16 07:14:28,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-16 07:14:28,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:14:28,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-16 07:14:28,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-16 07:14:28,767 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:14:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:14:28,920 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2021-04-16 07:14:28,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-16 07:14:28,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-04-16 07:14:28,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:14:28,927 INFO L225 Difference]: With dead ends: 33 [2021-04-16 07:14:28,927 INFO L226 Difference]: Without dead ends: 16 [2021-04-16 07:14:28,929 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 120.3ms TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-16 07:14:28,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-04-16 07:14:28,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-04-16 07:14:28,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:14:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-04-16 07:14:28,961 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2021-04-16 07:14:28,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:14:28,962 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-04-16 07:14:28,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:14:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-04-16 07:14:28,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-04-16 07:14:28,962 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:14:28,963 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:14:28,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 07:14:28,963 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:14:28,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:14:28,964 INFO L82 PathProgramCache]: Analyzing trace with hash 38085627, now seen corresponding path program 1 times [2021-04-16 07:14:28,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:14:28,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1371872229] [2021-04-16 07:14:28,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:14:28,988 WARN L74 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2021-04-16 07:14:28,992 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 07:14:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:14:29,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:29,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:14:29,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:29,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 07:14:29,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:29,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 07:14:29,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:29,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 07:14:29,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:29,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:14:29,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:29,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:14:29,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:14:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:14:29,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:29,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:14:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:14:29,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1371872229] [2021-04-16 07:14:29,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:14:29,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-16 07:14:29,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403297957] [2021-04-16 07:14:29,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-16 07:14:29,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:14:29,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-16 07:14:29,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-04-16 07:14:29,116 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:14:29,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:14:29,204 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2021-04-16 07:14:29,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-16 07:14:29,205 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-04-16 07:14:29,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:14:29,206 INFO L225 Difference]: With dead ends: 21 [2021-04-16 07:14:29,206 INFO L226 Difference]: Without dead ends: 18 [2021-04-16 07:14:29,209 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 72.8ms TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-16 07:14:29,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-04-16 07:14:29,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-04-16 07:14:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:14:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2021-04-16 07:14:29,224 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2021-04-16 07:14:29,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:14:29,224 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2021-04-16 07:14:29,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:14:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2021-04-16 07:14:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-04-16 07:14:29,225 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:14:29,225 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:14:29,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-16 07:14:29,225 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:14:29,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:14:29,226 INFO L82 PathProgramCache]: Analyzing trace with hash -2056506338, now seen corresponding path program 2 times [2021-04-16 07:14:29,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:14:29,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979042509] [2021-04-16 07:14:29,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:14:29,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:29,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 07:14:29,282 INFO L175 rdanLoopAcceleration]: Guard: Formula: (< v_main_~main__x~0_13 0) InVars {main_~main__x~0=v_main_~main__x~0_13} OutVars{main_~main__x~0=v_main_~main__x~0_13} AuxVars[] AssignedVars[] [2021-04-16 07:14:29,319 WARN L240 tifierPushTermWalker]: treesize reduction 26, result has 91.0 percent of original size [2021-04-16 07:14:29,332 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:29,343 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:31,392 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 11 [2021-04-16 07:14:31,392 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:33,558 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 5 [2021-04-16 07:14:33,559 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:35,578 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:14:35,579 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:35,583 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 07:14:35,587 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:37,984 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 10 [2021-04-16 07:14:37,985 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:38,173 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:14:38,174 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:40,387 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:14:40,387 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:40,388 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 07:14:40,390 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-16 07:14:40,411 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:40,413 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:40,415 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:50,728 WARN L205 SmtUtils]: Spent 10.31 s on a formula simplification that was a NOOP. DAG size: 11 [2021-04-16 07:14:50,728 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:53,010 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 5 [2021-04-16 07:14:53,010 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:55,045 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:14:55,046 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:55,047 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 07:14:55,048 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 07:14:55,048 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:55,064 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:59,147 WARN L205 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 10 [2021-04-16 07:14:59,148 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:14:59,760 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:14:59,760 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:00,247 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:15:00,248 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:00,250 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 07:15:00,251 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-16 07:15:00,523 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-04-16 07:15:00,524 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:01,635 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 14 [2021-04-16 07:15:01,636 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:01,644 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:05,701 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 10 [2021-04-16 07:15:05,703 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:09,781 WARN L205 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:15:09,782 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:13,823 WARN L205 SmtUtils]: Spent 4.04 s on a formula simplification that was a NOOP. DAG size: 9 [2021-04-16 07:15:13,823 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:13,824 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-16 07:15:13,830 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:16,528 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 11 [2021-04-16 07:15:16,529 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:20,558 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:15:20,559 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:22,904 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 11 [2021-04-16 07:15:22,905 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:22,907 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 07:15:23,286 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-04-16 07:15:23,287 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:23,715 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-04-16 07:15:23,716 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:24,143 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-04-16 07:15:24,143 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:24,247 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-04-16 07:15:24,248 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:24,770 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-04-16 07:15:24,771 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:24,774 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:24,780 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:24,790 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:24,808 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:24,820 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:24,824 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 07:15:24,831 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:26,870 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 10 [2021-04-16 07:15:26,871 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:28,924 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 5 [2021-04-16 07:15:28,925 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:30,989 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:15:30,990 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:30,992 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-16 07:15:31,009 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-16 07:15:33,036 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:15:33,037 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:33,044 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:33,052 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:35,099 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 10 [2021-04-16 07:15:35,099 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:37,174 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 5 [2021-04-16 07:15:37,174 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:39,218 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:15:39,219 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:39,222 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-16 07:15:39,222 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-16 07:15:39,224 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:39,228 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:39,249 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:39,268 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:39,276 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:39,277 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-16 07:15:39,277 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-16 07:15:39,287 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:41,334 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 11 [2021-04-16 07:15:41,334 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:41,337 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:41,347 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:41,386 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:41,412 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:41,414 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 07:15:41,422 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:41,435 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:42,494 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 7 [2021-04-16 07:15:42,495 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:42,504 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:42,516 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:42,519 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:46,579 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 10 [2021-04-16 07:15:46,580 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:49,904 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 11 [2021-04-16 07:15:49,905 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:54,018 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 3 [2021-04-16 07:15:54,019 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:54,020 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 07:15:54,026 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:54,030 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:54,034 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:54,038 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:54,043 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:54,048 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:54,053 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:15:54,073 WARN L245 tifierPushTermWalker]: treesize reduction 26, result has 91.0 percent of original size 263 [2021-04-16 07:16:04,767 WARN L205 SmtUtils]: Spent 10.69 s on a formula simplification that was a NOOP. DAG size: 91 [2021-04-16 07:16:04,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:16:04,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:16:04,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:16:04,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-16 07:16:04,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:16:04,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:16:04,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 07:16:04,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:16:04,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:16:04,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 07:16:04,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:16:04,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:16:04,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 07:16:04,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 443 [2021-04-16 07:16:05,145 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 514 [2021-04-16 07:16:05,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:16:05,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:16:05,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:16:05,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-16 07:16:05,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:16:05,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:16:05,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 07:16:05,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:16:05,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:16:05,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-16 07:16:05,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:16:05,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:16:05,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-16 07:16:05,450 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 521 [2021-04-16 07:16:05,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19611 [2021-04-16 07:16:05,459 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-04-16 07:16:05,485 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2021-04-16 07:16:05,485 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-04-16 07:16:05,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-16 07:16:05,502 WARN L227 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2021-04-16 07:16:05,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 07:16:05 BoogieIcfgContainer [2021-04-16 07:16:05,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-16 07:16:05,503 INFO L168 Benchmark]: Toolchain (without parser) took 97474.74 ms. Allocated memory was 186.6 MB in the beginning and 250.6 MB in the end (delta: 64.0 MB). Free memory was 152.2 MB in the beginning and 169.2 MB in the end (delta: -17.0 MB). Peak memory consumption was 46.4 MB. Max. memory is 8.0 GB. [2021-04-16 07:16:05,504 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 186.6 MB. Free memory is still 168.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 07:16:05,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.00 ms. Allocated memory is still 186.6 MB. Free memory was 152.0 MB in the beginning and 141.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-04-16 07:16:05,507 INFO L168 Benchmark]: Boogie Preprocessor took 72.25 ms. Allocated memory is still 186.6 MB. Free memory was 141.9 MB in the beginning and 169.5 MB in the end (delta: -27.5 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. [2021-04-16 07:16:05,507 INFO L168 Benchmark]: RCFGBuilder took 218.50 ms. Allocated memory is still 186.6 MB. Free memory was 169.5 MB in the beginning and 155.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-04-16 07:16:05,507 INFO L168 Benchmark]: TraceAbstraction took 96985.64 ms. Allocated memory was 186.6 MB in the beginning and 250.6 MB in the end (delta: 64.0 MB). Free memory was 155.2 MB in the beginning and 169.2 MB in the end (delta: -13.9 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2021-04-16 07:16:05,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 186.6 MB. Free memory is still 168.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 192.00 ms. Allocated memory is still 186.6 MB. Free memory was 152.0 MB in the beginning and 141.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 72.25 ms. Allocated memory is still 186.6 MB. Free memory was 141.9 MB in the beginning and 169.5 MB in the end (delta: -27.5 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 218.50 ms. Allocated memory is still 186.6 MB. Free memory was 169.5 MB in the beginning and 155.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 96985.64 ms. Allocated memory was 186.6 MB in the beginning and 250.6 MB in the end (delta: 64.0 MB). Free memory was 155.2 MB in the beginning and 169.2 MB in the end (delta: -13.9 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 57]: 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: [L1] int __return_main; [L12] int __tmp_55_0; [L13] int __return_65; [L16] int main__x; [L17] int main__y; [L18] main__x = -50 [L19] main__y = __VERIFIER_nondet_int() [L20] COND FALSE !(!(-1000 < main__y)) [L26] COND FALSE !(!(main__y < 1000000)) [L32] COND TRUE main__x < 0 [L34] main__x = main__x + main__y [L35] int main____CPAchecker_TMP_0 = main__y; [L36] main__y = main__y + 1 [L37] __tmp_55_0 = main____CPAchecker_TMP_0 [L39] main____CPAchecker_TMP_0 = __tmp_55_0 [L40] COND TRUE main__x < 0 [L42] main__x = main__x + main__y [L43] int main____CPAchecker_TMP_0 = main__y; [L44] main__y = main__y + 1 [L45] __tmp_55_0 = main____CPAchecker_TMP_0 [L39] main____CPAchecker_TMP_0 = __tmp_55_0 [L40] COND TRUE main__x < 0 [L42] main__x = main__x + main__y [L43] int main____CPAchecker_TMP_0 = main__y; [L44] main__y = main__y + 1 [L45] __tmp_55_0 = main____CPAchecker_TMP_0 [L39] main____CPAchecker_TMP_0 = __tmp_55_0 [L40] COND FALSE !(main__x < 0) [L51] int __tmp_1; [L52] __tmp_1 = main__y > 0 [L53] int __VERIFIER_assert__cond; [L54] __VERIFIER_assert__cond = __tmp_1 [L55] COND TRUE __VERIFIER_assert__cond == 0 [L57] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 96941.4ms, OverallIterations: 3, TraceHistogramMax: 3, EmptinessCheckTime: 8.1ms, AutomataDifference: 263.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 28 SDtfs, 20 SDslu, 70 SDs, 0 SdLazy, 85 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 193.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 36.6ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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...