/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/nla-digbench-scaling/freire2_valuebound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 12:43:42,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 12:43:42,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 12:43:42,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 12:43:42,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 12:43:42,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 12:43:42,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 12:43:42,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-08 12:43:42,633 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 12:43:42,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 12:43:42,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 12:43:42,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 12:43:42,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 12:43:42,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 12:43:42,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 12:43:42,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 12:43:42,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 12:43:42,635 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 12:43:42,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 12:43:42,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 12:43:42,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 12:43:42,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 12:43:42,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 12:43:42,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 12:43:42,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 12:43:42,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 12:43:42,636 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 12:43:42,636 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 12:43:42,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 12:43:42,636 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-08 12:43:42,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 12:43:42,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 12:43:42,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 12:43:42,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 12:43:42,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 12:43:42,903 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 12:43:42,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound20.c [2022-04-08 12:43:42,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b6833b8/48bc2aaa538746159872b30ce1cae174/FLAG5e0bc19f8 [2022-04-08 12:43:43,374 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 12:43:43,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound20.c [2022-04-08 12:43:43,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b6833b8/48bc2aaa538746159872b30ce1cae174/FLAG5e0bc19f8 [2022-04-08 12:43:43,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b6833b8/48bc2aaa538746159872b30ce1cae174 [2022-04-08 12:43:43,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 12:43:43,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 12:43:43,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 12:43:43,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 12:43:43,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 12:43:43,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 12:43:43" (1/1) ... [2022-04-08 12:43:43,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e894399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43, skipping insertion in model container [2022-04-08 12:43:43,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 12:43:43" (1/1) ... [2022-04-08 12:43:43,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 12:43:43,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 12:43:43,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound20.c[709,722] [2022-04-08 12:43:43,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 12:43:43,631 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 12:43:43,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound20.c[709,722] [2022-04-08 12:43:43,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 12:43:43,674 INFO L208 MainTranslator]: Completed translation [2022-04-08 12:43:43,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43 WrapperNode [2022-04-08 12:43:43,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 12:43:43,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 12:43:43,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 12:43:43,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 12:43:43,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43" (1/1) ... [2022-04-08 12:43:43,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43" (1/1) ... [2022-04-08 12:43:43,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43" (1/1) ... [2022-04-08 12:43:43,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43" (1/1) ... [2022-04-08 12:43:43,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43" (1/1) ... [2022-04-08 12:43:43,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43" (1/1) ... [2022-04-08 12:43:43,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43" (1/1) ... [2022-04-08 12:43:43,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 12:43:43,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 12:43:43,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 12:43:43,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 12:43:43,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43" (1/1) ... [2022-04-08 12:43:43,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 12:43:43,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:43:43,752 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) [2022-04-08 12:43:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 12:43:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 12:43:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 12:43:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 12:43:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 12:43:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 12:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 12:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 12:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 12:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 12:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-04-08 12:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 12:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 12:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 12:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 12:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 12:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 12:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 12:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 12:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 12:43:43,787 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 [2022-04-08 12:43:43,867 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 12:43:43,869 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 12:43:44,051 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 12:43:44,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 12:43:44,057 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-08 12:43:44,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 12:43:44 BoogieIcfgContainer [2022-04-08 12:43:44,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 12:43:44,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 12:43:44,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 12:43:44,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 12:43:44,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 12:43:43" (1/3) ... [2022-04-08 12:43:44,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34469b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 12:43:44, skipping insertion in model container [2022-04-08 12:43:44,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:43:43" (2/3) ... [2022-04-08 12:43:44,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34469b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 12:43:44, skipping insertion in model container [2022-04-08 12:43:44,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 12:43:44" (3/3) ... [2022-04-08 12:43:44,088 INFO L111 eAbstractionObserver]: Analyzing ICFG freire2_valuebound20.c [2022-04-08 12:43:44,093 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 12:43:44,093 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 12:43:44,141 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 12:43:44,150 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 [2022-04-08 12:43:44,150 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 12:43:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-08 12:43:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-08 12:43:44,188 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:43:44,188 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 12:43:44,189 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:43:44,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:43:44,194 INFO L85 PathProgramCache]: Analyzing trace with hash 326851384, now seen corresponding path program 1 times [2022-04-08 12:43:44,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:43:44,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [230119739] [2022-04-08 12:43:44,212 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:43:44,212 INFO L85 PathProgramCache]: Analyzing trace with hash 326851384, now seen corresponding path program 2 times [2022-04-08 12:43:44,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:43:44,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709628581] [2022-04-08 12:43:44,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:43:44,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:43:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:43:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 12:43:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:43:44,387 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#(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(10, 2);call #Ultimate.allocInit(12, 3); {34#true} is VALID [2022-04-08 12:43:44,387 INFO L290 TraceCheckUtils]: 1: Hoare triple {34#true} assume true; {34#true} is VALID [2022-04-08 12:43:44,388 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {34#true} {34#true} #69#return; {34#true} is VALID [2022-04-08 12:43:44,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-08 12:43:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:43:44,396 INFO L290 TraceCheckUtils]: 0: Hoare triple {34#true} ~cond := #in~cond; {34#true} is VALID [2022-04-08 12:43:44,397 INFO L290 TraceCheckUtils]: 1: Hoare triple {34#true} assume 0 == ~cond;assume false; {35#false} is VALID [2022-04-08 12:43:44,397 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#false} assume true; {35#false} is VALID [2022-04-08 12:43:44,398 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35#false} {34#true} #55#return; {35#false} is VALID [2022-04-08 12:43:44,399 INFO L272 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {43#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 12:43:44,399 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#(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(10, 2);call #Ultimate.allocInit(12, 3); {34#true} is VALID [2022-04-08 12:43:44,399 INFO L290 TraceCheckUtils]: 2: Hoare triple {34#true} assume true; {34#true} is VALID [2022-04-08 12:43:44,400 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34#true} {34#true} #69#return; {34#true} is VALID [2022-04-08 12:43:44,400 INFO L272 TraceCheckUtils]: 4: Hoare triple {34#true} call #t~ret5 := main(); {34#true} is VALID [2022-04-08 12:43:44,400 INFO L290 TraceCheckUtils]: 5: Hoare triple {34#true} havoc ~r~0;havoc ~a~0;havoc ~x~0;havoc ~s~0;~a~0 := #t~nondet4;havoc #t~nondet4; {34#true} is VALID [2022-04-08 12:43:44,401 INFO L272 TraceCheckUtils]: 6: Hoare triple {34#true} call assume_abort_if_not((if ~someBinaryDOUBLEComparisonOperation(~a~0, ~convertINTToDOUBLE(0)) && ~someBinaryDOUBLEComparisonOperation(~a~0, ~convertINTToDOUBLE(20)) then 1 else 0)); {34#true} is VALID [2022-04-08 12:43:44,401 INFO L290 TraceCheckUtils]: 7: Hoare triple {34#true} ~cond := #in~cond; {34#true} is VALID [2022-04-08 12:43:44,401 INFO L290 TraceCheckUtils]: 8: Hoare triple {34#true} assume 0 == ~cond;assume false; {35#false} is VALID [2022-04-08 12:43:44,402 INFO L290 TraceCheckUtils]: 9: Hoare triple {35#false} assume true; {35#false} is VALID [2022-04-08 12:43:44,402 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {35#false} {34#true} #55#return; {35#false} is VALID [2022-04-08 12:43:44,402 INFO L290 TraceCheckUtils]: 11: Hoare triple {35#false} ~x~0 := ~a~0;~s~0 := 3.25;~r~0 := 1; {35#false} is VALID [2022-04-08 12:43:44,402 INFO L290 TraceCheckUtils]: 12: Hoare triple {35#false} assume false; {35#false} is VALID [2022-04-08 12:43:44,403 INFO L272 TraceCheckUtils]: 13: Hoare triple {35#false} call __VERIFIER_assert((if 1 == ~convertDOUBLEToINT(~someBinaryArithmeticDOUBLEoperation(~convertINTToDOUBLE(4), ~s~0)) - 12 * ~r~0 * ~r~0 then 1 else 0)); {35#false} is VALID [2022-04-08 12:43:44,403 INFO L290 TraceCheckUtils]: 14: Hoare triple {35#false} ~cond := #in~cond; {35#false} is VALID [2022-04-08 12:43:44,403 INFO L290 TraceCheckUtils]: 15: Hoare triple {35#false} assume 0 == ~cond; {35#false} is VALID [2022-04-08 12:43:44,403 INFO L290 TraceCheckUtils]: 16: Hoare triple {35#false} assume !false; {35#false} is VALID [2022-04-08 12:43:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 12:43:44,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:43:44,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709628581] [2022-04-08 12:43:44,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709628581] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:43:44,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:43:44,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 12:43:44,408 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:43:44,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [230119739] [2022-04-08 12:43:44,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [230119739] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:43:44,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:43:44,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 12:43:44,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270511121] [2022-04-08 12:43:44,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:43:44,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-08 12:43:44,416 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:43:44,418 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 12:43:44,439 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:43:44,439 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 12:43:44,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:43:44,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 12:43:44,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 12:43:44,460 INFO L87 Difference]: Start difference. First operand has 31 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 12:43:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:43:44,638 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2022-04-08 12:43:44,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 12:43:44,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-08 12:43:44,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:43:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 12:43:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2022-04-08 12:43:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 12:43:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2022-04-08 12:43:44,672 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 76 transitions. [2022-04-08 12:43:44,809 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:43:44,816 INFO L225 Difference]: With dead ends: 53 [2022-04-08 12:43:44,816 INFO L226 Difference]: Without dead ends: 26 [2022-04-08 12:43:44,819 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 12:43:44,822 INFO L913 BasicCegarLoop]: 29 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 12:43:44,822 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 32 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 12:43:44,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-08 12:43:44,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-04-08 12:43:44,861 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:43:44,862 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 12:43:44,863 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 12:43:44,863 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 12:43:44,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:43:44,878 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2022-04-08 12:43:44,878 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-04-08 12:43:44,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:43:44,879 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:43:44,880 INFO L74 IsIncluded]: Start isIncluded. First operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 26 states. [2022-04-08 12:43:44,881 INFO L87 Difference]: Start difference. First operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 26 states. [2022-04-08 12:43:44,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:43:44,885 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2022-04-08 12:43:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-04-08 12:43:44,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:43:44,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:43:44,889 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:43:44,890 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:43:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 12:43:44,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-04-08 12:43:44,897 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 17 [2022-04-08 12:43:44,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:43:44,898 INFO L478 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-04-08 12:43:44,898 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 12:43:44,898 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 26 states and 31 transitions. [2022-04-08 12:43:44,940 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:43:44,940 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-04-08 12:43:44,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-08 12:43:44,941 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:43:44,941 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 12:43:44,941 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 12:43:44,942 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:43:44,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:43:44,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1008578050, now seen corresponding path program 1 times [2022-04-08 12:43:44,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:43:44,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1662863585] [2022-04-08 12:43:44,953 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:43:44,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1008578050, now seen corresponding path program 2 times [2022-04-08 12:43:44,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:43:44,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501117222] [2022-04-08 12:43:44,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:43:44,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:43:44,975 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:43:44,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [939782117] [2022-04-08 12:43:44,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:43:44,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:43:44,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:43:44,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:43:45,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 12:43:45,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-08 12:43:45,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-08 12:43:45,037 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-08 12:43:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-08 12:43:45,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-08 12:43:45,069 INFO L130 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found a feasible trace [2022-04-08 12:43:45,069 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-08 12:43:45,073 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 12:43:45,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-08 12:43:45,299 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:43:45,302 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-08 12:43:45,304 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 12:43:45,312 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-08 12:43:45,313 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2022-04-08 12:43:45,314 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2022-04-08 12:43:45,315 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2022-04-08 12:43:45,316 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-08 12:43:45,317 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-08 12:43:45,317 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. [2022-04-08 12:43:45,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 12:43:45 BoogieIcfgContainer [2022-04-08 12:43:45,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 12:43:45,319 INFO L158 Benchmark]: Toolchain (without parser) took 1924.95ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 125.6MB in the beginning and 119.2MB in the end (delta: 6.4MB). Peak memory consumption was 41.0MB. Max. memory is 8.0GB. [2022-04-08 12:43:45,320 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 12:43:45,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.60ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 125.5MB in the beginning and 187.3MB in the end (delta: -61.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-08 12:43:45,321 INFO L158 Benchmark]: Boogie Preprocessor took 46.16ms. Allocated memory is still 211.8MB. Free memory was 187.3MB in the beginning and 185.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-08 12:43:45,321 INFO L158 Benchmark]: RCFGBuilder took 336.26ms. Allocated memory is still 211.8MB. Free memory was 185.7MB in the beginning and 174.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-08 12:43:45,321 INFO L158 Benchmark]: TraceAbstraction took 1257.75ms. Allocated memory is still 211.8MB. Free memory was 174.2MB in the beginning and 119.2MB in the end (delta: 55.0MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. [2022-04-08 12:43:45,323 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 is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 278.60ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 125.5MB in the beginning and 187.3MB in the end (delta: -61.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.16ms. Allocated memory is still 211.8MB. Free memory was 187.3MB in the beginning and 185.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 336.26ms. Allocated memory is still 211.8MB. Free memory was 185.7MB in the beginning and 174.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1257.75ms. Allocated memory is still 211.8MB. Free memory was 174.2MB in the beginning and 119.2MB in the end (delta: 55.0MB). Peak memory consumption was 54.5MB. 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 - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=20) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=20) [L29] x = a [L30] s = 3.25 [L31] r = 1 [L33] COND TRUE 1 [L34] CALL __VERIFIER_assert((int)(4*s) - 12*r*r == 1) [L17] COND TRUE !(cond) [L19] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 29 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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: 0.1s 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 could not prove your program: unable to determine feasibility of some traces [2022-04-08 12:43:45,360 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...