/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/loops-crafted-1/sumt5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 13:09:48,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 13:09:48,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 13:09:48,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-15 13:09:48,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 13:09:48,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 13:09:48,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 13:09:48,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-15 13:09:48,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 13:09:48,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 13:09:48,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 13:09:48,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 13:09:48,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 13:09:48,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 13:09:48,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 13:09:48,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 13:09:48,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 13:09:48,897 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 13:09:48,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 13:09:48,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 13:09:48,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 13:09:48,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-15 13:09:48,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 13:09:48,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 13:09:48,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 13:09:48,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-15 13:09:48,898 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-15 13:09:48,898 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-15 13:09:48,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 13:09:48,899 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-15 13:09:48,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 13:09:49,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 13:09:49,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 13:09:49,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 13:09:49,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 13:09:49,138 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 13:09:49,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt5.c [2022-04-15 13:09:49,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb4a8445/c26b3660bfce477eb95321de9449881b/FLAG6e1b4afd4 [2022-04-15 13:09:49,501 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 13:09:49,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt5.c [2022-04-15 13:09:49,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb4a8445/c26b3660bfce477eb95321de9449881b/FLAG6e1b4afd4 [2022-04-15 13:09:49,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb4a8445/c26b3660bfce477eb95321de9449881b [2022-04-15 13:09:49,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 13:09:49,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-15 13:09:49,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 13:09:49,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 13:09:49,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 13:09:49,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 01:09:49" (1/1) ... [2022-04-15 13:09:49,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbca535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:49, skipping insertion in model container [2022-04-15 13:09:49,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 01:09:49" (1/1) ... [2022-04-15 13:09:49,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 13:09:49,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 13:09:50,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt5.c[403,416] [2022-04-15 13:09:50,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 13:09:50,102 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 13:09:50,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt5.c[403,416] [2022-04-15 13:09:50,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 13:09:50,127 INFO L208 MainTranslator]: Completed translation [2022-04-15 13:09:50,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:50 WrapperNode [2022-04-15 13:09:50,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 13:09:50,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 13:09:50,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 13:09:50,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 13:09:50,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:50" (1/1) ... [2022-04-15 13:09:50,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:50" (1/1) ... [2022-04-15 13:09:50,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:50" (1/1) ... [2022-04-15 13:09:50,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:50" (1/1) ... [2022-04-15 13:09:50,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:50" (1/1) ... [2022-04-15 13:09:50,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:50" (1/1) ... [2022-04-15 13:09:50,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:50" (1/1) ... [2022-04-15 13:09:50,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 13:09:50,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 13:09:50,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 13:09:50,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 13:09:50,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:50" (1/1) ... [2022-04-15 13:09:50,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 13:09:50,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 13:09:50,208 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) [2022-04-15 13:09:50,211 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 [2022-04-15 13:09:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 13:09:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 13:09:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 13:09:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-15 13:09:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 13:09:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 13:09:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 13:09:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 13:09:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 13:09:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 13:09:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-15 13:09:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 13:09:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-15 13:09:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 13:09:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 13:09:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 13:09:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 13:09:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 13:09:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 13:09:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 13:09:50,299 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 13:09:50,301 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 13:09:54,779 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 13:09:54,789 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 13:09:54,789 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-15 13:09:54,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 01:09:54 BoogieIcfgContainer [2022-04-15 13:09:54,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 13:09:54,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 13:09:54,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 13:09:54,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 13:09:54,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 01:09:49" (1/3) ... [2022-04-15 13:09:54,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665a6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 01:09:54, skipping insertion in model container [2022-04-15 13:09:54,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:09:50" (2/3) ... [2022-04-15 13:09:54,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665a6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 01:09:54, skipping insertion in model container [2022-04-15 13:09:54,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 01:09:54" (3/3) ... [2022-04-15 13:09:54,804 INFO L111 eAbstractionObserver]: Analyzing ICFG sumt5.c [2022-04-15 13:09:54,807 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-15 13:09:54,807 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 13:09:54,860 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 13:09:54,865 INFO L340 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 [2022-04-15 13:09:54,865 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 13:09:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2022-04-15 13:09:54,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-15 13:09:54,902 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 13:09:54,902 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 13:09:54,903 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 13:09:54,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 13:09:54,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1530412705, now seen corresponding path program 1 times [2022-04-15 13:09:54,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 13:09:54,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2042175217] [2022-04-15 13:09:54,931 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 13:09:54,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1530412705, now seen corresponding path program 2 times [2022-04-15 13:09:54,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 13:09:54,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833165691] [2022-04-15 13:09:54,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 13:09:54,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 13:09:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 13:09:55,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 13:09:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 13:09:55,435 INFO L290 TraceCheckUtils]: 0: Hoare triple {36#(and (= |old(~SIZE~0)| ~SIZE~0) (= |#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(8, 2);call #Ultimate.allocInit(12, 3);~SIZE~0 := 20000001; {28#true} is VALID [2022-04-15 13:09:55,436 INFO L290 TraceCheckUtils]: 1: Hoare triple {28#true} assume true; {28#true} is VALID [2022-04-15 13:09:55,436 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {28#true} {28#true} #71#return; {28#true} is VALID [2022-04-15 13:09:55,437 INFO L272 TraceCheckUtils]: 0: Hoare triple {28#true} call ULTIMATE.init(); {36#(and (= |old(~SIZE~0)| ~SIZE~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 13:09:55,438 INFO L290 TraceCheckUtils]: 1: Hoare triple {36#(and (= |old(~SIZE~0)| ~SIZE~0) (= |#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(8, 2);call #Ultimate.allocInit(12, 3);~SIZE~0 := 20000001; {28#true} is VALID [2022-04-15 13:09:55,438 INFO L290 TraceCheckUtils]: 2: Hoare triple {28#true} assume true; {28#true} is VALID [2022-04-15 13:09:55,438 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28#true} {28#true} #71#return; {28#true} is VALID [2022-04-15 13:09:55,438 INFO L272 TraceCheckUtils]: 4: Hoare triple {28#true} call #t~ret5 := main(); {28#true} is VALID [2022-04-15 13:09:55,439 INFO L290 TraceCheckUtils]: 5: Hoare triple {28#true} ~n~0 := 0;~i~0 := 0;~k~0 := 0;~j~0 := 0;~l~0 := 0;~v3~0 := 0;~v4~0 := 0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~n~0 := #t~nondet4;havoc #t~nondet4; {33#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} is VALID [2022-04-15 13:09:55,440 INFO L290 TraceCheckUtils]: 6: Hoare triple {33#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} assume !!(~n~0 % 4294967296 <= ~SIZE~0 % 4294967296); {33#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} is VALID [2022-04-15 13:09:55,441 INFO L290 TraceCheckUtils]: 7: Hoare triple {33#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} assume !(~l~0 % 4294967296 < ~n~0 % 4294967296); {33#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} is VALID [2022-04-15 13:09:55,442 INFO L272 TraceCheckUtils]: 8: Hoare triple {33#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} call __VERIFIER_assert((if (~i~0 + ~j~0 + ~k~0 + ~v4~0 + ~v3~0) % 4294967296 == ~l~0 % 4294967296 then 1 else 0)); {34#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 13:09:55,443 INFO L290 TraceCheckUtils]: 9: Hoare triple {34#(not (= |__VERIFIER_assert_#in~cond| 0))} ~cond := #in~cond; {35#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 13:09:55,443 INFO L290 TraceCheckUtils]: 10: Hoare triple {35#(not (= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {29#false} is VALID [2022-04-15 13:09:55,443 INFO L290 TraceCheckUtils]: 11: Hoare triple {29#false} assume !false; {29#false} is VALID [2022-04-15 13:09:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 13:09:55,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 13:09:55,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833165691] [2022-04-15 13:09:55,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833165691] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 13:09:55,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 13:09:55,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 13:09:55,447 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 13:09:55,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2042175217] [2022-04-15 13:09:55,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2042175217] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 13:09:55,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 13:09:55,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 13:09:55,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276891864] [2022-04-15 13:09:55,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 13:09:55,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 12 [2022-04-15 13:09:55,454 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 13:09:55,456 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-04-15 13:09:55,473 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 13:09:55,474 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 13:09:55,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 13:09:55,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 13:09:55,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-15 13:09:55,502 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-04-15 13:09:57,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-15 13:10:02,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-15 13:10:06,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-15 13:10:06,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 13:10:06,805 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2022-04-15 13:10:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-15 13:10:06,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 12 [2022-04-15 13:10:06,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 13:10:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-04-15 13:10:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2022-04-15 13:10:06,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-04-15 13:10:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2022-04-15 13:10:06,832 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 60 transitions. [2022-04-15 13:10:06,901 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 13:10:06,908 INFO L225 Difference]: With dead ends: 47 [2022-04-15 13:10:06,909 INFO L226 Difference]: Without dead ends: 20 [2022-04-15 13:10:06,912 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-04-15 13:10:06,915 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 35 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-04-15 13:10:06,915 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 46 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 71 Invalid, 3 Unknown, 0 Unchecked, 6.3s Time] [2022-04-15 13:10:06,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-04-15 13:10:06,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-04-15 13:10:06,937 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 13:10:06,938 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2022-04-15 13:10:06,938 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2022-04-15 13:10:06,939 INFO L87 Difference]: Start difference. First operand 20 states. Second operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2022-04-15 13:10:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 13:10:06,941 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2022-04-15 13:10:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2022-04-15 13:10:06,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 13:10:06,941 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 13:10:06,942 INFO L74 IsIncluded]: Start isIncluded. First operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 20 states. [2022-04-15 13:10:06,942 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 20 states. [2022-04-15 13:10:06,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 13:10:06,944 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2022-04-15 13:10:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2022-04-15 13:10:06,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 13:10:06,944 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 13:10:06,945 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 13:10:06,945 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 13:10:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2022-04-15 13:10:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-04-15 13:10:06,947 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2022-04-15 13:10:06,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 13:10:06,948 INFO L478 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-04-15 13:10:06,948 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-04-15 13:10:06,948 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 19 states and 23 transitions. [2022-04-15 13:10:06,974 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 13:10:06,974 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-04-15 13:10:06,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-04-15 13:10:06,975 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 13:10:06,975 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 13:10:06,975 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 13:10:06,975 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 13:10:06,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 13:10:06,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1637920365, now seen corresponding path program 1 times [2022-04-15 13:10:06,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 13:10:06,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [397000297] [2022-04-15 13:10:07,306 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-04-15 13:10:07,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1749993697, now seen corresponding path program 1 times [2022-04-15 13:10:07,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 13:10:07,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697309366] [2022-04-15 13:10:07,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 13:10:07,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 13:10:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 13:10:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 13:10:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 13:10:07,725 INFO L290 TraceCheckUtils]: 0: Hoare triple {228#(and (= |old(~SIZE~0)| ~SIZE~0) (= |#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(8, 2);call #Ultimate.allocInit(12, 3);~SIZE~0 := 20000001; {219#true} is VALID [2022-04-15 13:10:07,725 INFO L290 TraceCheckUtils]: 1: Hoare triple {219#true} assume true; {219#true} is VALID [2022-04-15 13:10:07,725 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {219#true} {219#true} #71#return; {219#true} is VALID [2022-04-15 13:10:07,726 INFO L272 TraceCheckUtils]: 0: Hoare triple {219#true} call ULTIMATE.init(); {228#(and (= |old(~SIZE~0)| ~SIZE~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 13:10:07,726 INFO L290 TraceCheckUtils]: 1: Hoare triple {228#(and (= |old(~SIZE~0)| ~SIZE~0) (= |#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(8, 2);call #Ultimate.allocInit(12, 3);~SIZE~0 := 20000001; {219#true} is VALID [2022-04-15 13:10:07,726 INFO L290 TraceCheckUtils]: 2: Hoare triple {219#true} assume true; {219#true} is VALID [2022-04-15 13:10:07,727 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {219#true} {219#true} #71#return; {219#true} is VALID [2022-04-15 13:10:07,727 INFO L272 TraceCheckUtils]: 4: Hoare triple {219#true} call #t~ret5 := main(); {219#true} is VALID [2022-04-15 13:10:07,728 INFO L290 TraceCheckUtils]: 5: Hoare triple {219#true} ~n~0 := 0;~i~0 := 0;~k~0 := 0;~j~0 := 0;~l~0 := 0;~v3~0 := 0;~v4~0 := 0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~n~0 := #t~nondet4;havoc #t~nondet4; {224#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} is VALID [2022-04-15 13:10:07,728 INFO L290 TraceCheckUtils]: 6: Hoare triple {224#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} assume !!(~n~0 % 4294967296 <= ~SIZE~0 % 4294967296); {224#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} is VALID [2022-04-15 13:10:07,732 INFO L290 TraceCheckUtils]: 7: Hoare triple {224#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} [75] L21-2-->L21-3_primed: Formula: (or (and (= v_main_~l~0_In_1 v_main_~l~0_Out_2) (= v_main_~v3~0_In_1 v_main_~v3~0_Out_2) (= v_main_~n~0_In_1 v_main_~n~0_In_1)) (let ((.cse0 (mod (+ v_main_~l~0_Out_2 4294967295) 4294967296))) (and (< .cse0 (mod v_main_~n~0_In_1 4294967296)) (= (mod (mod .cse0 5) 4294967296) 0) (= v_main_~n~0_In_1 0) (<= v_main_~l~0_In_1 v_main_~l~0_Out_2) (= (+ (* (- 1) v_main_~l~0_In_1) v_main_~v3~0_In_1) (+ (* (- 1) v_main_~l~0_Out_2) v_main_~v3~0_Out_2))))) InVars {main_~l~0=v_main_~l~0_In_1, main_~v3~0=v_main_~v3~0_In_1, main_~n~0=v_main_~n~0_In_1} OutVars{main_~l~0=v_main_~l~0_Out_2, main_~v3~0=v_main_~v3~0_Out_2, main_~n~0=v_main_~n~0_In_1} AuxVars[] AssignedVars[main_~l~0, main_~v3~0] {225#(and (= main_~k~0 0) (<= (+ (* (div (+ main_~i~0 main_~k~0 main_~j~0 main_~v3~0 main_~v4~0) 4294967296) 4294967296) main_~l~0) (+ main_~i~0 main_~k~0 main_~j~0 (* (div main_~l~0 4294967296) 4294967296) main_~v3~0 main_~v4~0)) (= main_~j~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} is VALID [2022-04-15 13:10:07,733 INFO L290 TraceCheckUtils]: 8: Hoare triple {225#(and (= main_~k~0 0) (<= (+ (* (div (+ main_~i~0 main_~k~0 main_~j~0 main_~v3~0 main_~v4~0) 4294967296) 4294967296) main_~l~0) (+ main_~i~0 main_~k~0 main_~j~0 (* (div main_~l~0 4294967296) 4294967296) main_~v3~0 main_~v4~0)) (= main_~j~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} [74] L21-3_primed-->L21-3: Formula: (not (< (mod v_main_~l~0_10 4294967296) (mod v_main_~n~0_5 4294967296))) InVars {main_~l~0=v_main_~l~0_10, main_~n~0=v_main_~n~0_5} OutVars{main_~l~0=v_main_~l~0_10, main_~n~0=v_main_~n~0_5} AuxVars[] AssignedVars[] {225#(and (= main_~k~0 0) (<= (+ (* (div (+ main_~i~0 main_~k~0 main_~j~0 main_~v3~0 main_~v4~0) 4294967296) 4294967296) main_~l~0) (+ main_~i~0 main_~k~0 main_~j~0 (* (div main_~l~0 4294967296) 4294967296) main_~v3~0 main_~v4~0)) (= main_~j~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} is VALID [2022-04-15 13:10:07,735 INFO L272 TraceCheckUtils]: 9: Hoare triple {225#(and (= main_~k~0 0) (<= (+ (* (div (+ main_~i~0 main_~k~0 main_~j~0 main_~v3~0 main_~v4~0) 4294967296) 4294967296) main_~l~0) (+ main_~i~0 main_~k~0 main_~j~0 (* (div main_~l~0 4294967296) 4294967296) main_~v3~0 main_~v4~0)) (= main_~j~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0))} call __VERIFIER_assert((if (~i~0 + ~j~0 + ~k~0 + ~v4~0 + ~v3~0) % 4294967296 == ~l~0 % 4294967296 then 1 else 0)); {226#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 13:10:07,735 INFO L290 TraceCheckUtils]: 10: Hoare triple {226#(not (= |__VERIFIER_assert_#in~cond| 0))} ~cond := #in~cond; {227#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 13:10:07,736 INFO L290 TraceCheckUtils]: 11: Hoare triple {227#(not (= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {220#false} is VALID [2022-04-15 13:10:07,736 INFO L290 TraceCheckUtils]: 12: Hoare triple {220#false} assume !false; {220#false} is VALID [2022-04-15 13:10:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 13:10:07,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 13:10:07,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697309366] [2022-04-15 13:10:07,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697309366] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 13:10:07,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 13:10:07,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-15 13:10:18,332 WARN L232 SmtUtils]: Spent 10.58s on a formula simplification. DAG size of input: 34 DAG size of output: 15 (called from [L 182] de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.MetaTraceTransformer.getInductiveLoopInterpolants) [2022-04-15 13:10:18,466 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 13:10:18,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [397000297] [2022-04-15 13:10:18,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [397000297] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 13:10:18,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 13:10:18,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-15 13:10:18,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772321518] [2022-04-15 13:10:18,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 13:10:18,468 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 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 15 [2022-04-15 13:10:18,468 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 13:10:18,468 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 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) [2022-04-15 13:10:18,474 WARN L143 InductivityCheck]: Transition 231#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~l~0 1) (= main_~i~0 0) (= main_~v4~0 0) (< 0 (mod main_~n~0 4294967296)) (= main_~v3~0 1)) ( _ , assume !(~l~0 % 4294967296 < ~n~0 % 4294967296); , 225#(and (= main_~k~0 0) (<= (+ (* (div (+ main_~i~0 main_~k~0 main_~j~0 main_~v3~0 main_~v4~0) 4294967296) 4294967296) main_~l~0) (+ main_~i~0 main_~k~0 main_~j~0 (* (div main_~l~0 4294967296) 4294967296) main_~v3~0 main_~v4~0)) (= main_~j~0 0) (= main_~i~0 0) (= main_~v4~0 0) (= main_~v3~0 0)) ) not inductive [2022-04-15 13:10:18,475 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-15 13:10:18,475 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:682) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.constructRefinementAutomaton(AbstractCegarLoop.java:547) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:411) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:301) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-04-15 13:10:18,479 INFO L158 Benchmark]: Toolchain (without parser) took 28552.11ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 128.7MB in the beginning and 124.7MB in the end (delta: 4.0MB). Peak memory consumption was 39.9MB. Max. memory is 8.0GB. [2022-04-15 13:10:18,479 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory was 144.7MB in the beginning and 144.7MB in the end (delta: 79.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-15 13:10:18,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.84ms. Allocated memory is still 176.2MB. Free memory was 128.6MB in the beginning and 155.8MB in the end (delta: -27.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-15 13:10:18,480 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 176.2MB. Free memory was 155.8MB in the beginning and 154.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-15 13:10:18,481 INFO L158 Benchmark]: RCFGBuilder took 4634.54ms. Allocated memory is still 176.2MB. Free memory was 154.1MB in the beginning and 142.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-15 13:10:18,481 INFO L158 Benchmark]: TraceAbstraction took 23686.05ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 141.3MB in the beginning and 124.7MB in the end (delta: 16.5MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2022-04-15 13:10:18,483 INFO L339 ainManager$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 0.17ms. Allocated memory is still 176.2MB. Free memory was 144.7MB in the beginning and 144.7MB in the end (delta: 79.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 199.84ms. Allocated memory is still 176.2MB. Free memory was 128.6MB in the beginning and 155.8MB in the end (delta: -27.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 176.2MB. Free memory was 155.8MB in the beginning and 154.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 4634.54ms. Allocated memory is still 176.2MB. Free memory was 154.1MB in the beginning and 142.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 23686.05ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 141.3MB in the beginning and 124.7MB in the end (delta: 16.5MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:145) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-04-15 13:10:18,528 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...