/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo2-ll_valuebound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-23 18:21:46,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-23 18:21:46,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-23 18:21:46,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-23 18:21:46,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-23 18:21:46,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-23 18:21:46,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-23 18:21:46,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-23 18:21:46,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-23 18:21:46,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-23 18:21:46,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-23 18:21:46,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-23 18:21:46,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-23 18:21:46,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-23 18:21:46,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-23 18:21:46,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-23 18:21:46,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-23 18:21:46,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-23 18:21:46,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-23 18:21:46,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-23 18:21:46,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-23 18:21:46,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-23 18:21:46,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-23 18:21:46,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-23 18:21:46,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-23 18:21:46,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-23 18:21:46,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-23 18:21:46,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-23 18:21:46,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-23 18:21:46,167 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-23 18:21:46,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-23 18:21:46,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-23 18:21:46,169 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-23 18:21:46,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-23 18:21:46,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-23 18:21:46,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-23 18:21:46,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-23 18:21:46,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-23 18:21:46,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-23 18:21:46,170 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-23 18:21:46,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-23 18:21:46,170 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-23 18:21:46,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-23 18:21:46,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-23 18:21:46,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-23 18:21:46,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-23 18:21:46,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-23 18:21:46,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 18:21:46,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-23 18:21:46,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-23 18:21:46,172 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-23 18:21:46,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-23 18:21:46,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-23 18:21:46,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-23 18:21:46,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-23 18:21:46,389 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-23 18:21:46,389 INFO L275 PluginConnector]: CDTParser initialized [2022-02-23 18:21:46,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo2-ll_valuebound5.c [2022-02-23 18:21:46,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f476d30b/6090d9e9f062468290858ee31d37ecfc/FLAG90504f30a [2022-02-23 18:21:46,712 INFO L306 CDTParser]: Found 1 translation units. [2022-02-23 18:21:46,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo2-ll_valuebound5.c [2022-02-23 18:21:46,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f476d30b/6090d9e9f062468290858ee31d37ecfc/FLAG90504f30a [2022-02-23 18:21:47,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f476d30b/6090d9e9f062468290858ee31d37ecfc [2022-02-23 18:21:47,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-23 18:21:47,162 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-23 18:21:47,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-23 18:21:47,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-23 18:21:47,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-23 18:21:47,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541a5d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47, skipping insertion in model container [2022-02-23 18:21:47,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-23 18:21:47,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-23 18:21:47,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo2-ll_valuebound5.c[525,538] [2022-02-23 18:21:47,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 18:21:47,381 INFO L203 MainTranslator]: Completed pre-run [2022-02-23 18:21:47,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo2-ll_valuebound5.c[525,538] [2022-02-23 18:21:47,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 18:21:47,409 INFO L208 MainTranslator]: Completed translation [2022-02-23 18:21:47,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47 WrapperNode [2022-02-23 18:21:47,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-23 18:21:47,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-23 18:21:47,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-23 18:21:47,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-23 18:21:47,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-23 18:21:47,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-23 18:21:47,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-23 18:21:47,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-23 18:21:47,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 18:21:47,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 18:21:47,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-23 18:21:47,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-23 18:21:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-23 18:21:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-23 18:21:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-23 18:21:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-23 18:21:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-23 18:21:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-23 18:21:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-23 18:21:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-23 18:21:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-23 18:21:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-23 18:21:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-23 18:21:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-23 18:21:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-23 18:21:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-23 18:21:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-23 18:21:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-23 18:21:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-23 18:21:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-23 18:21:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-23 18:21:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-23 18:21:47,541 INFO L234 CfgBuilder]: Building ICFG [2022-02-23 18:21:47,542 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-23 18:21:47,639 INFO L275 CfgBuilder]: Performing block encoding [2022-02-23 18:21:47,643 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-23 18:21:47,643 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-23 18:21:47,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:21:47 BoogieIcfgContainer [2022-02-23 18:21:47,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-23 18:21:47,644 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-23 18:21:47,645 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-23 18:21:47,645 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-23 18:21:47,647 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:21:47" (1/1) ... [2022-02-23 18:21:47,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 06:21:47 BasicIcfg [2022-02-23 18:21:47,657 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-23 18:21:47,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-23 18:21:47,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-23 18:21:47,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-23 18:21:47,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:21:47" (1/4) ... [2022-02-23 18:21:47,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab97c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:21:47, skipping insertion in model container [2022-02-23 18:21:47,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:21:47" (2/4) ... [2022-02-23 18:21:47,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab97c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:21:47, skipping insertion in model container [2022-02-23 18:21:47,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:21:47" (3/4) ... [2022-02-23 18:21:47,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab97c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:21:47, skipping insertion in model container [2022-02-23 18:21:47,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 06:21:47" (4/4) ... [2022-02-23 18:21:47,662 INFO L111 eAbstractionObserver]: Analyzing ICFG geo2-ll_valuebound5.cJordan [2022-02-23 18:21:47,665 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-23 18:21:47,665 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-23 18:21:47,709 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-23 18:21:47,715 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-23 18:21:47,716 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-23 18:21:47,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-23 18:21:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-23 18:21:47,738 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 18:21:47,738 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 18:21:47,738 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 18:21:47,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 18:21:47,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1141493127, now seen corresponding path program 1 times [2022-02-23 18:21:47,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 18:21:47,747 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416332839] [2022-02-23 18:21:47,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 18:21:47,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 18:21:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 18:21:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 18:21:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 18:21:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-23 18:21:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 18:21:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-23 18:21:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 18:21:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-23 18:21:47,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 18:21:47,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416332839] [2022-02-23 18:21:47,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416332839] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 18:21:47,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 18:21:47,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-23 18:21:47,900 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367886588] [2022-02-23 18:21:47,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 18:21:47,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-23 18:21:47,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 18:21:47,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-23 18:21:47,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-23 18:21:47,920 INFO L87 Difference]: Start difference. First operand has 29 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-23 18:21:47,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 18:21:47,951 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-02-23 18:21:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-23 18:21:47,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-02-23 18:21:47,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 18:21:47,961 INFO L225 Difference]: With dead ends: 29 [2022-02-23 18:21:47,962 INFO L226 Difference]: Without dead ends: 24 [2022-02-23 18:21:47,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-23 18:21:47,966 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-23 18:21:47,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 30 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-23 18:21:47,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-02-23 18:21:47,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-02-23 18:21:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-23 18:21:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2022-02-23 18:21:47,987 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 23 [2022-02-23 18:21:47,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 18:21:47,987 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2022-02-23 18:21:47,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-23 18:21:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-02-23 18:21:47,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-23 18:21:47,988 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 18:21:47,988 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 18:21:47,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-23 18:21:47,989 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 18:21:47,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 18:21:47,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1441395781, now seen corresponding path program 1 times [2022-02-23 18:21:47,989 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 18:21:47,989 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765209357] [2022-02-23 18:21:47,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 18:21:47,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 18:21:48,009 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-23 18:21:48,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120208047] [2022-02-23 18:21:48,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 18:21:48,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 18:21:48,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 18:21:48,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 18:21:48,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-23 18:21:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 18:21:48,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-23 18:21:48,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 18:21:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-23 18:21:48,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 18:21:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-23 18:21:48,345 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 18:21:48,345 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765209357] [2022-02-23 18:21:48,345 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-23 18:21:48,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120208047] [2022-02-23 18:21:48,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120208047] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-23 18:21:48,346 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-23 18:21:48,346 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-02-23 18:21:48,347 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787879197] [2022-02-23 18:21:48,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 18:21:48,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 18:21:48,347 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 18:21:48,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 18:21:48,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-23 18:21:48,348 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-23 18:21:48,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 18:21:48,380 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-02-23 18:21:48,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 18:21:48,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-02-23 18:21:48,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 18:21:48,384 INFO L225 Difference]: With dead ends: 22 [2022-02-23 18:21:48,384 INFO L226 Difference]: Without dead ends: 0 [2022-02-23 18:21:48,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-02-23 18:21:48,388 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-23 18:21:48,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 72 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-23 18:21:48,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-23 18:21:48,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-23 18:21:48,389 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) [2022-02-23 18:21:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-23 18:21:48,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-02-23 18:21:48,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 18:21:48,389 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-23 18:21:48,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-23 18:21:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-23 18:21:48,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-23 18:21:48,391 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-23 18:21:48,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-23 18:21:48,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 18:21:48,605 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-23 18:21:48,605 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-23 18:21:48,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:21:48 BasicIcfg [2022-02-23 18:21:48,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-23 18:21:48,608 INFO L158 Benchmark]: Toolchain (without parser) took 1445.56ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 147.4MB in the beginning and 208.0MB in the end (delta: -60.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-23 18:21:48,608 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 163.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-23 18:21:48,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.93ms. Allocated memory is still 195.0MB. Free memory was 147.2MB in the beginning and 172.5MB in the end (delta: -25.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-23 18:21:48,609 INFO L158 Benchmark]: Boogie Preprocessor took 28.36ms. Allocated memory is still 195.0MB. Free memory was 172.5MB in the beginning and 171.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-23 18:21:48,609 INFO L158 Benchmark]: RCFGBuilder took 204.22ms. Allocated memory is still 195.0MB. Free memory was 171.2MB in the beginning and 161.3MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-23 18:21:48,610 INFO L158 Benchmark]: IcfgTransformer took 12.54ms. Allocated memory is still 195.0MB. Free memory was 161.3MB in the beginning and 159.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-23 18:21:48,610 INFO L158 Benchmark]: TraceAbstraction took 949.80ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 159.6MB in the beginning and 208.0MB in the end (delta: -48.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-23 18:21:48,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 163.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 245.93ms. Allocated memory is still 195.0MB. Free memory was 147.2MB in the beginning and 172.5MB in the end (delta: -25.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.36ms. Allocated memory is still 195.0MB. Free memory was 172.5MB in the beginning and 171.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 204.22ms. Allocated memory is still 195.0MB. Free memory was 171.2MB in the beginning and 161.3MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * IcfgTransformer took 12.54ms. Allocated memory is still 195.0MB. Free memory was 161.3MB in the beginning and 159.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 949.80ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 159.6MB in the beginning and 208.0MB in the end (delta: -48.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 17]: 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 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 47 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 2 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 9/12 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! [2022-02-23 18:21:48,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...