/usr/bin/java -ea -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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-28 09:26:51,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 09:26:51,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 09:26:51,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-28 09:26:52,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 09:26:52,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 09:26:52,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 09:26:52,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-28 09:26:52,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 09:26:52,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 09:26:52,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 09:26:52,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 09:26:52,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 09:26:52,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 09:26:52,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 09:26:52,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 09:26:52,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 09:26:52,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 09:26:52,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 09:26:52,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 09:26:52,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 09:26:52,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-28 09:26:52,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 09:26:52,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 09:26:52,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 09:26:52,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-28 09:26:52,019 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-28 09:26:52,019 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-28 09:26:52,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 09:26:52,019 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-28 09:26:52,019 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 09:26:52,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 09:26:52,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 09:26:52,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 09:26:52,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 09:26:52,201 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 09:26:52,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i [2022-04-28 09:26:52,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f8d837d/9879bc2c715f4926a9d7cc2cf56c8ff6/FLAGab37d6aa1 [2022-04-28 09:26:52,612 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 09:26:52,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i [2022-04-28 09:26:52,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f8d837d/9879bc2c715f4926a9d7cc2cf56c8ff6/FLAGab37d6aa1 [2022-04-28 09:26:52,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f8d837d/9879bc2c715f4926a9d7cc2cf56c8ff6 [2022-04-28 09:26:52,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 09:26:52,632 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-28 09:26:52,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 09:26:52,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 09:26:52,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 09:26:52,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:26:52" (1/1) ... [2022-04-28 09:26:52,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329e33f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52, skipping insertion in model container [2022-04-28 09:26:52,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:26:52" (1/1) ... [2022-04-28 09:26:52,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 09:26:52,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 09:26:52,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i[921,934] [2022-04-28 09:26:52,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 09:26:52,823 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 09:26:52,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i[921,934] [2022-04-28 09:26:52,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 09:26:52,849 INFO L208 MainTranslator]: Completed translation [2022-04-28 09:26:52,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52 WrapperNode [2022-04-28 09:26:52,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 09:26:52,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 09:26:52,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 09:26:52,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 09:26:52,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52" (1/1) ... [2022-04-28 09:26:52,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52" (1/1) ... [2022-04-28 09:26:52,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52" (1/1) ... [2022-04-28 09:26:52,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52" (1/1) ... [2022-04-28 09:26:52,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52" (1/1) ... [2022-04-28 09:26:52,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52" (1/1) ... [2022-04-28 09:26:52,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52" (1/1) ... [2022-04-28 09:26:52,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 09:26:52,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 09:26:52,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 09:26:52,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 09:26:52,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52" (1/1) ... [2022-04-28 09:26:52,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 09:26:52,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 09:26:52,904 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) [2022-04-28 09:26:52,919 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 [2022-04-28 09:26:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 09:26:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 09:26:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 09:26:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-28 09:26:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-28 09:26:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 09:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 09:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 09:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-04-28 09:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-04-28 09:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 09:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 09:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-28 09:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-28 09:26:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-28 09:26:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 09:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-28 09:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 09:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 09:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 09:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 09:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 09:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 09:26:53,014 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 09:26:53,016 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 09:26:53,137 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 09:26:53,141 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 09:26:53,141 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-28 09:26:53,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:26:53 BoogieIcfgContainer [2022-04-28 09:26:53,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 09:26:53,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-28 09:26:53,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-28 09:26:53,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-28 09:26:53,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:26:52" (1/3) ... [2022-04-28 09:26:53,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157d5a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:26:53, skipping insertion in model container [2022-04-28 09:26:53,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:26:52" (2/3) ... [2022-04-28 09:26:53,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157d5a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:26:53, skipping insertion in model container [2022-04-28 09:26:53,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:26:53" (3/3) ... [2022-04-28 09:26:53,147 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_1-2.i [2022-04-28 09:26:53,155 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-28 09:26:53,155 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-28 09:26:53,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-28 09:26:53,184 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@68c08cef, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@20eca8e0 [2022-04-28 09:26:53,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-28 09:26:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 09:26:53,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-04-28 09:26:53,193 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 09:26:53,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 09:26:53,194 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 09:26:53,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 09:26:53,199 INFO L85 PathProgramCache]: Analyzing trace with hash 473828607, now seen corresponding path program 1 times [2022-04-28 09:26:53,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 09:26:53,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2016465301] [2022-04-28 09:26:53,216 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 09:26:53,217 INFO L85 PathProgramCache]: Analyzing trace with hash 473828607, now seen corresponding path program 2 times [2022-04-28 09:26:53,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 09:26:53,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374415725] [2022-04-28 09:26:53,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 09:26:53,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 09:26:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 09:26:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 09:26:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 09:26:53,390 INFO L290 TraceCheckUtils]: 0: Hoare triple {30#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2); {25#true} is VALID [2022-04-28 09:26:53,391 INFO L290 TraceCheckUtils]: 1: Hoare triple {25#true} assume true; {25#true} is VALID [2022-04-28 09:26:53,391 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {25#true} {25#true} #62#return; {25#true} is VALID [2022-04-28 09:26:53,393 INFO L272 TraceCheckUtils]: 0: Hoare triple {25#true} call ULTIMATE.init(); {30#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 09:26:53,393 INFO L290 TraceCheckUtils]: 1: Hoare triple {30#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2); {25#true} is VALID [2022-04-28 09:26:53,393 INFO L290 TraceCheckUtils]: 2: Hoare triple {25#true} assume true; {25#true} is VALID [2022-04-28 09:26:53,393 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25#true} {25#true} #62#return; {25#true} is VALID [2022-04-28 09:26:53,394 INFO L272 TraceCheckUtils]: 4: Hoare triple {25#true} call #t~ret4 := main(); {25#true} is VALID [2022-04-28 09:26:53,394 INFO L290 TraceCheckUtils]: 5: Hoare triple {25#true} call ~#array~0.base, ~#array~0.offset := #Ultimate.allocOnStack(40000);~index~0 := 0;~tmp~0 := 0; {25#true} is VALID [2022-04-28 09:26:53,394 INFO L290 TraceCheckUtils]: 6: Hoare triple {25#true} assume false; {26#false} is VALID [2022-04-28 09:26:53,394 INFO L290 TraceCheckUtils]: 7: Hoare triple {26#false} #t~short3 := ~tmp~0 % 4294967296 < 10000; {26#false} is VALID [2022-04-28 09:26:53,395 INFO L290 TraceCheckUtils]: 8: Hoare triple {26#false} assume #t~short3;call #t~mem2 := read~int(~#array~0.base, ~#array~0.offset + 4 * (~tmp~0 % 4294967296), 4);#t~short3 := #t~mem2 % 4294967296 == ~tmp~0 % 4294967296; {26#false} is VALID [2022-04-28 09:26:53,395 INFO L272 TraceCheckUtils]: 9: Hoare triple {26#false} call __VERIFIER_assert((if #t~short3 then 1 else 0)); {26#false} is VALID [2022-04-28 09:26:53,395 INFO L290 TraceCheckUtils]: 10: Hoare triple {26#false} ~cond := #in~cond; {26#false} is VALID [2022-04-28 09:26:53,396 INFO L290 TraceCheckUtils]: 11: Hoare triple {26#false} assume 0 == ~cond; {26#false} is VALID [2022-04-28 09:26:53,396 INFO L290 TraceCheckUtils]: 12: Hoare triple {26#false} assume !false; {26#false} is VALID [2022-04-28 09:26:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 09:26:53,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 09:26:53,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374415725] [2022-04-28 09:26:53,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374415725] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 09:26:53,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 09:26:53,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 09:26:53,400 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 09:26:53,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2016465301] [2022-04-28 09:26:53,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2016465301] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 09:26:53,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 09:26:53,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 09:26:53,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250103789] [2022-04-28 09:26:53,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 09:26:53,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 3 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 13 [2022-04-28 09:26:53,406 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 09:26:53,408 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 09:26:53,426 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 09:26:53,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-28 09:26:53,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 09:26:53,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-28 09:26:53,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 09:26:53,445 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 09:26:53,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 09:26:53,517 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-04-28 09:26:53,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-28 09:26:53,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 3 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 13 [2022-04-28 09:26:53,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 09:26:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 09:26:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2022-04-28 09:26:53,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 09:26:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2022-04-28 09:26:53,531 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 42 transitions. [2022-04-28 09:26:53,581 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 09:26:53,586 INFO L225 Difference]: With dead ends: 36 [2022-04-28 09:26:53,586 INFO L226 Difference]: Without dead ends: 15 [2022-04-28 09:26:53,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 09:26:53,591 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 09:26:53,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 25 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 09:26:53,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-04-28 09:26:53,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-04-28 09:26:53,620 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 09:26:53,621 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 09:26:53,621 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 09:26:53,622 INFO L87 Difference]: Start difference. First operand 15 states. Second operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 09:26:53,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 09:26:53,625 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2022-04-28 09:26:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-04-28 09:26:53,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 09:26:53,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 09:26:53,626 INFO L74 IsIncluded]: Start isIncluded. First operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 15 states. [2022-04-28 09:26:53,626 INFO L87 Difference]: Start difference. First operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 15 states. [2022-04-28 09:26:53,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 09:26:53,628 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2022-04-28 09:26:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-04-28 09:26:53,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 09:26:53,629 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 09:26:53,629 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 09:26:53,629 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 09:26:53,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 09:26:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-04-28 09:26:53,635 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-04-28 09:26:53,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 09:26:53,636 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-04-28 09:26:53,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 09:26:53,638 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 16 transitions. [2022-04-28 09:26:53,655 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 09:26:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-04-28 09:26:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-28 09:26:53,656 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 09:26:53,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 09:26:53,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-28 09:26:53,657 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 09:26:53,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 09:26:53,657 INFO L85 PathProgramCache]: Analyzing trace with hash -142420114, now seen corresponding path program 1 times [2022-04-28 09:26:53,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 09:26:53,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1161439677] [2022-04-28 09:26:53,658 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 09:26:53,658 INFO L85 PathProgramCache]: Analyzing trace with hash -142420114, now seen corresponding path program 2 times [2022-04-28 09:26:53,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 09:26:53,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307339187] [2022-04-28 09:26:53,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 09:26:53,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 09:26:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 09:26:53,693 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 09:26:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 09:26:53,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 09:26:53,738 INFO L130 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found a feasible trace [2022-04-28 09:26:53,738 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-04-28 09:26:53,740 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-28 09:26:53,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-28 09:26:53,743 INFO L356 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-28 09:26:53,745 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-28 09:26:53,754 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-28 09:26:53,754 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-28 09:26:53,754 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-28 09:26:53,754 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-28 09:26:53,754 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-28 09:26:53,754 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-28 09:26:53,754 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-28 09:26:53,754 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-28 09:26:53,754 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2022-04-28 09:26:53,754 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2022-04-28 09:26:53,755 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2022-04-28 09:26:53,763 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2022-04-28 09:26:53,763 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-28 09:26:53,764 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-28 09:26:53,764 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-28 09:26:53,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:26:53 BoogieIcfgContainer [2022-04-28 09:26:53,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-28 09:26:53,767 INFO L158 Benchmark]: Toolchain (without parser) took 1134.05ms. Allocated memory was 208.7MB in the beginning and 257.9MB in the end (delta: 49.3MB). Free memory was 158.8MB in the beginning and 236.5MB in the end (delta: -77.6MB). Peak memory consumption was 30.2MB. Max. memory is 8.0GB. [2022-04-28 09:26:53,769 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 208.7MB. Free memory was 175.0MB in the beginning and 174.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-28 09:26:53,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.79ms. Allocated memory is still 208.7MB. Free memory was 158.5MB in the beginning and 184.8MB in the end (delta: -26.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-28 09:26:53,771 INFO L158 Benchmark]: Boogie Preprocessor took 32.28ms. Allocated memory is still 208.7MB. Free memory was 184.8MB in the beginning and 183.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-28 09:26:53,772 INFO L158 Benchmark]: RCFGBuilder took 258.49ms. Allocated memory is still 208.7MB. Free memory was 183.1MB in the beginning and 172.2MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-28 09:26:53,772 INFO L158 Benchmark]: TraceAbstraction took 622.49ms. Allocated memory was 208.7MB in the beginning and 257.9MB in the end (delta: 49.3MB). Free memory was 171.9MB in the beginning and 236.5MB in the end (delta: -64.6MB). Peak memory consumption was 44.2MB. Max. memory is 8.0GB. [2022-04-28 09:26:53,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 208.7MB. Free memory was 175.0MB in the beginning and 174.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 215.79ms. Allocated memory is still 208.7MB. Free memory was 158.5MB in the beginning and 184.8MB in the end (delta: -26.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.28ms. Allocated memory is still 208.7MB. Free memory was 184.8MB in the beginning and 183.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 258.49ms. Allocated memory is still 208.7MB. Free memory was 183.1MB in the beginning and 172.2MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 622.49ms. Allocated memory was 208.7MB in the beginning and 257.9MB in the end (delta: 49.3MB). Free memory was 171.9MB in the beginning and 236.5MB in the end (delta: -64.6MB). Peak memory consumption was 44.2MB. 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 - CounterExampleResult [Line: 26]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L35] unsigned int array[10000]; [L36] unsigned int index = 0; [L37] unsigned int tmp = 0; [L39] COND TRUE 1 [L40] index = __VERIFIER_nondet_uint() [L41] COND TRUE index >= 10000 [L48] EXPR tmp < 10000 && array[tmp] == tmp [L48] EXPR array[tmp] [L48] EXPR tmp < 10000 && array[tmp] == tmp [L48] CALL __VERIFIER_assert(tmp < 10000 && array[tmp] == tmp) [L25] COND TRUE !(cond) [L26] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 22 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-04-28 09:26:53,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...