/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.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 03:45:31,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 03:45:31,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 03:45:31,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-16 03:45:31,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-16 03:45:31,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-16 03:45:31,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-16 03:45:31,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-16 03:45:31,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-16 03:45:31,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-16 03:45:31,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-16 03:45:31,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-16 03:45:31,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 03:45:31,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 03:45:31,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 03:45:31,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 03:45:31,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 03:45:31,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 03:45:31,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 03:45:31,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 03:45:31,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 03:45:31,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 03:45:31,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 03:45:31,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 03:45:31,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-16 03:45:31,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 03:45:31,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 03:45:31,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 03:45:31,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-04-16 03:45:31,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 03:45:31,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 03:45:31,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 03:45:31,116 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 03:45:31,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 03:45:31,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 03:45:31,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 03:45:31,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 03:45:31,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 03:45:31,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 03:45:31,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 03:45:31,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 03:45:31,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 03:45:31,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 03:45:31,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 03:45:31,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 03:45:31,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 03:45:31,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 03:45:31,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 03:45:31,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 03:45:31,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-16 03:45:31,121 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-04-16 03:45:31,121 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 03:45:31,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 03:45:31,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 03:45:31,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 03:45:31,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 03:45:31,473 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 03:45:31,473 INFO L432 ainManager$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 03:45:31,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea862e2e/c260155ed4094de3aa33fd0a4dad9e6b/FLAG36ba47bdb [2021-04-16 03:45:32,011 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 03:45:32,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2021-04-16 03:45:32,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea862e2e/c260155ed4094de3aa33fd0a4dad9e6b/FLAG36ba47bdb [2021-04-16 03:45:32,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea862e2e/c260155ed4094de3aa33fd0a4dad9e6b [2021-04-16 03:45:32,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 03:45:32,048 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-16 03:45:32,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 03:45:32,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 03:45:32,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 03:45:32,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 03:45:32" (1/1) ... [2021-04-16 03:45:32,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d07595b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32, skipping insertion in model container [2021-04-16 03:45:32,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 03:45:32" (1/1) ... [2021-04-16 03:45:32,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 03:45:32,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 03:45:32,195 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 03:45:32,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 03:45:32,206 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 03:45:32,221 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 03:45:32,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 03:45:32,233 INFO L208 MainTranslator]: Completed translation [2021-04-16 03:45:32,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32 WrapperNode [2021-04-16 03:45:32,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 03:45:32,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 03:45:32,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 03:45:32,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 03:45:32,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32" (1/1) ... [2021-04-16 03:45:32,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32" (1/1) ... [2021-04-16 03:45:32,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32" (1/1) ... [2021-04-16 03:45:32,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32" (1/1) ... [2021-04-16 03:45:32,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32" (1/1) ... [2021-04-16 03:45:32,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32" (1/1) ... [2021-04-16 03:45:32,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32" (1/1) ... [2021-04-16 03:45:32,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 03:45:32,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 03:45:32,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 03:45:32,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 03:45:32,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32" (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 03:45:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 03:45:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 03:45:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 03:45:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-04-16 03:45:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 03:45:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 03:45:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 03:45:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 03:45:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 03:45:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-04-16 03:45:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 03:45:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-04-16 03:45:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 03:45:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 03:45:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 03:45:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 03:45:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 03:45:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 03:45:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 03:45:32,643 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 03:45:32,643 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-16 03:45:32,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 03:45:32 BoogieIcfgContainer [2021-04-16 03:45:32,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 03:45:32,645 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-04-16 03:45:32,645 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-04-16 03:45:32,646 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-04-16 03:45:32,648 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 03:45:32" (1/1) ... [2021-04-16 03:45:32,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 16.04 03:45:32 BasicIcfg [2021-04-16 03:45:32,662 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-04-16 03:45:32,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 03:45:32,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 03:45:32,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 03:45:32,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 03:45:32" (1/4) ... [2021-04-16 03:45:32,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62630fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 03:45:32, skipping insertion in model container [2021-04-16 03:45:32,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:45:32" (2/4) ... [2021-04-16 03:45:32,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62630fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 03:45:32, skipping insertion in model container [2021-04-16 03:45:32,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 03:45:32" (3/4) ... [2021-04-16 03:45:32,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62630fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 03:45:32, skipping insertion in model container [2021-04-16 03:45:32,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 16.04 03:45:32" (4/4) ... [2021-04-16 03:45:32,668 INFO L111 eAbstractionObserver]: Analyzing ICFG gsv2008.c.i.v+lhb-reducer.cJordan [2021-04-16 03:45:32,672 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-04-16 03:45:32,676 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 03:45:32,690 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 03:45:32,706 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 03:45:32,706 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-16 03:45:32,707 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-04-16 03:45:32,707 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 03:45:32,707 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 03:45:32,707 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 03:45:32,707 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 03:45:32,707 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 03:45:32,718 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 03:45:32,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-04-16 03:45:32,723 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:45:32,724 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:45:32,724 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:45:32,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:45:32,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1405451419, now seen corresponding path program 1 times [2021-04-16 03:45:32,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:45:32,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477834587] [2021-04-16 03:45:32,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:45:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:45:32,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:32,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:32,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:32,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:32,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:32,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 03:45:32,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:32,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:45:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:45:33,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,104 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 03:45:33,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477834587] [2021-04-16 03:45:33,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:45:33,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-16 03:45:33,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568486375] [2021-04-16 03:45:33,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-16 03:45:33,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:45:33,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-16 03:45:33,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:45:33,126 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 03:45:33,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:45:33,316 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2021-04-16 03:45:33,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-16 03:45:33,318 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 03:45:33,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:45:33,324 INFO L225 Difference]: With dead ends: 27 [2021-04-16 03:45:33,324 INFO L226 Difference]: Without dead ends: 16 [2021-04-16 03:45:33,325 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 199.3ms TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-16 03:45:33,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-04-16 03:45:33,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-04-16 03:45:33,348 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 03:45:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-04-16 03:45:33,361 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2021-04-16 03:45:33,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:45:33,361 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-04-16 03:45:33,362 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 03:45:33,362 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-04-16 03:45:33,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-04-16 03:45:33,363 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:45:33,363 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:45:33,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 03:45:33,364 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:45:33,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:45:33,364 INFO L82 PathProgramCache]: Analyzing trace with hash -2020096506, now seen corresponding path program 1 times [2021-04-16 03:45:33,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:45:33,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038874642] [2021-04-16 03:45:33,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:45:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:45:33,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 03:45:33,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 03:45:33,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:45:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:45:33,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 03:45:33,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038874642] [2021-04-16 03:45:33,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887464838] [2021-04-16 03:45:33,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-16 03:45:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:45:33,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjunts are in the unsatisfiable core [2021-04-16 03:45:33,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-16 03:45:33,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 03:45:33,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-16 03:45:33,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 03:45:33,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 03:45:33,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-16 03:45:33,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 03:45:33,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:33,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 03:45:33,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-16 03:45:33,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 03:45:33,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 03:45:33,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-16 03:45:33,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 03:45:33,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-16 03:45:33,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-16 03:45:33,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 03:45:33,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 03:45:33,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 03:45:33,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 03:45:33,700 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-16 03:45:33,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-16 03:45:33,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 03:45:33,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 03:45:33,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-16 03:45:33,714 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-16 03:45:33,721 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-16 03:45:33,731 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 03:45:33,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:45:33,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:45:33,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:45:33,749 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-04-16 03:45:33,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:33,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 03:45:33,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-16 03:45:33,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2021-04-16 03:45:33,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269488312] [2021-04-16 03:45:33,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-16 03:45:33,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:45:33,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-16 03:45:33,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-16 03:45:33,763 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:45:33,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:45:33,851 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-04-16 03:45:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-16 03:45:33,851 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 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 03:45:33,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:45:33,852 INFO L225 Difference]: With dead ends: 19 [2021-04-16 03:45:33,852 INFO L226 Difference]: Without dead ends: 18 [2021-04-16 03:45:33,853 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 93.9ms TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-04-16 03:45:33,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-04-16 03:45:33,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-04-16 03:45:33,856 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 03:45:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2021-04-16 03:45:33,857 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2021-04-16 03:45:33,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:45:33,858 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2021-04-16 03:45:33,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:45:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2021-04-16 03:45:33,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-04-16 03:45:33,860 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:45:33,860 INFO L519 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:45:34,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-04-16 03:45:34,081 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:45:34,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:45:34,082 INFO L82 PathProgramCache]: Analyzing trace with hash 11461735, now seen corresponding path program 2 times [2021-04-16 03:45:34,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:45:34,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073363709] [2021-04-16 03:45:34,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:45:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:45:34,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:34,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:34,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:34,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 03:45:34,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:34,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 03:45:34,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:34,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:34,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:45:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:45:34,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:45:34,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:45:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-16 03:45:34,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073363709] [2021-04-16 03:45:34,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:45:34,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:45:34,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916001970] [2021-04-16 03:45:34,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:45:34,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:45:34,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:45:34,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:45:34,199 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 03:45:34,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:45:34,229 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-04-16 03:45:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:45:34,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 17 [2021-04-16 03:45:34,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:45:34,230 INFO L225 Difference]: With dead ends: 16 [2021-04-16 03:45:34,230 INFO L226 Difference]: Without dead ends: 0 [2021-04-16 03:45:34,231 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:45:34,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-04-16 03:45:34,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-04-16 03:45:34,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-16 03:45:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-04-16 03:45:34,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-04-16 03:45:34,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:45:34,232 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-04-16 03:45:34,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 03:45:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-04-16 03:45:34,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-04-16 03:45:34,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-16 03:45:34,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 03:45:34 BasicIcfg [2021-04-16 03:45:34,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-16 03:45:34,240 INFO L168 Benchmark]: Toolchain (without parser) took 2191.97 ms. Allocated memory is still 179.3 MB. Free memory was 145.5 MB in the beginning and 83.5 MB in the end (delta: 62.1 MB). Peak memory consumption was 63.0 MB. Max. memory is 8.0 GB. [2021-04-16 03:45:34,240 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 179.3 MB. Free memory is still 162.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 03:45:34,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.94 ms. Allocated memory is still 179.3 MB. Free memory was 145.3 MB in the beginning and 135.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-04-16 03:45:34,241 INFO L168 Benchmark]: Boogie Preprocessor took 65.65 ms. Allocated memory is still 179.3 MB. Free memory was 135.4 MB in the beginning and 163.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB. [2021-04-16 03:45:34,243 INFO L168 Benchmark]: RCFGBuilder took 343.09 ms. Allocated memory is still 179.3 MB. Free memory was 163.0 MB in the beginning and 148.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-04-16 03:45:34,245 INFO L168 Benchmark]: IcfgTransformer took 16.74 ms. Allocated memory is still 179.3 MB. Free memory was 148.9 MB in the beginning and 147.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-04-16 03:45:34,246 INFO L168 Benchmark]: TraceAbstraction took 1575.79 ms. Allocated memory is still 179.3 MB. Free memory was 146.8 MB in the beginning and 83.5 MB in the end (delta: 63.3 MB). Peak memory consumption was 64.9 MB. Max. memory is 8.0 GB. [2021-04-16 03:45:34,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 179.3 MB. Free memory is still 162.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 182.94 ms. Allocated memory is still 179.3 MB. Free memory was 145.3 MB in the beginning and 135.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 65.65 ms. Allocated memory is still 179.3 MB. Free memory was 135.4 MB in the beginning and 163.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 343.09 ms. Allocated memory is still 179.3 MB. Free memory was 163.0 MB in the beginning and 148.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * IcfgTransformer took 16.74 ms. Allocated memory is still 179.3 MB. Free memory was 148.9 MB in the beginning and 147.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1575.79 ms. Allocated memory is still 179.3 MB. Free memory was 146.8 MB in the beginning and 83.5 MB in the end (delta: 63.3 MB). Peak memory consumption was 64.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 57]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1529.2ms, OverallIterations: 3, TraceHistogramMax: 3, EmptinessCheckTime: 10.3ms, AutomataDifference: 339.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 37 SDtfs, 24 SDslu, 88 SDs, 0 SdLazy, 112 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 104.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 338.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 29.1ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.7ms SsaConstructionTime, 111.5ms SatisfiabilityAnalysisTime, 638.6ms InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 3 NumberOfNonLiveVariables, 135 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 6/10 InterpolantCoveringCapability, 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...