/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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/loopv3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 06:41:42,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 06:41:43,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 06:41:43,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-15 06:41:43,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 06:41:43,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 06:41:43,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 06:41:43,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-15 06:41:43,075 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 06:41:43,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 06:41:43,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 06:41:43,076 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-15 06:41:43,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 06:41:43,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-15 06:41:43,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 06:41:43,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 06:41:43,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 06:41:43,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 06:41:43,077 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-15 06:41:43,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 06:41:43,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 06:41:43,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 06:41:43,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 06:41:43,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 06:41:43,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-15 06:41:43,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 06:41:43,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 06:41:43,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 06:41:43,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-15 06:41:43,078 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-15 06:41:43,078 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-15 06:41:43,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 06:41:43,078 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-15 06:41:43,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 06:41:43,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 06:41:43,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 06:41:43,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 06:41:43,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 06:41:43,292 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 06:41:43,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/loopv3.c [2022-04-15 06:41:43,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4316c1fe0/d7976b3f169f4e04b2a5f51c03b8bed2/FLAG52fdbe358 [2022-04-15 06:41:43,681 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 06:41:43,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/loopv3.c [2022-04-15 06:41:43,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4316c1fe0/d7976b3f169f4e04b2a5f51c03b8bed2/FLAG52fdbe358 [2022-04-15 06:41:43,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4316c1fe0/d7976b3f169f4e04b2a5f51c03b8bed2 [2022-04-15 06:41:43,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 06:41:43,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-15 06:41:43,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 06:41:43,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 06:41:43,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 06:41:43,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:41:43" (1/1) ... [2022-04-15 06:41:43,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125174e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43, skipping insertion in model container [2022-04-15 06:41:43,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:41:43" (1/1) ... [2022-04-15 06:41:43,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 06:41:43,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 06:41:43,877 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/loopv3.c[456,469] [2022-04-15 06:41:43,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 06:41:43,899 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 06:41:43,908 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/loopv3.c[456,469] [2022-04-15 06:41:43,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 06:41:43,920 INFO L208 MainTranslator]: Completed translation [2022-04-15 06:41:43,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43 WrapperNode [2022-04-15 06:41:43,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 06:41:43,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 06:41:43,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 06:41:43,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 06:41:43,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43" (1/1) ... [2022-04-15 06:41:43,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43" (1/1) ... [2022-04-15 06:41:43,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43" (1/1) ... [2022-04-15 06:41:43,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43" (1/1) ... [2022-04-15 06:41:43,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43" (1/1) ... [2022-04-15 06:41:43,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43" (1/1) ... [2022-04-15 06:41:43,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43" (1/1) ... [2022-04-15 06:41:43,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 06:41:43,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 06:41:43,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 06:41:43,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 06:41:43,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43" (1/1) ... [2022-04-15 06:41:43,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 06:41:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 06:41:43,984 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 06:41:44,007 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 06:41:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 06:41:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 06:41:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 06:41:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-15 06:41:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 06:41:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 06:41:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-15 06:41:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 06:41:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 06:41:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 06:41:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 06:41:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-15 06:41:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 06:41:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 06:41:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 06:41:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 06:41:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 06:41:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 06:41:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 06:41:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 06:41:44,054 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 06:41:44,055 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 06:41:44,125 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 06:41:44,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 06:41:44,129 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-15 06:41:44,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:41:44 BoogieIcfgContainer [2022-04-15 06:41:44,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 06:41:44,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 06:41:44,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 06:41:44,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 06:41:44,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 06:41:43" (1/3) ... [2022-04-15 06:41:44,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b2847e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:41:44, skipping insertion in model container [2022-04-15 06:41:44,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:41:43" (2/3) ... [2022-04-15 06:41:44,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b2847e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:41:44, skipping insertion in model container [2022-04-15 06:41:44,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:41:44" (3/3) ... [2022-04-15 06:41:44,147 INFO L111 eAbstractionObserver]: Analyzing ICFG loopv3.c [2022-04-15 06:41:44,150 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-15 06:41:44,150 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 06:41:44,194 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 06:41:44,198 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 06:41:44,198 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 06:41:44,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 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 06:41:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-15 06:41:44,212 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 06:41:44,212 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 06:41:44,213 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 06:41:44,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 06:41:44,216 INFO L85 PathProgramCache]: Analyzing trace with hash -380103047, now seen corresponding path program 1 times [2022-04-15 06:41:44,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 06:41:44,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [9330614] [2022-04-15 06:41:44,229 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 06:41:44,229 INFO L85 PathProgramCache]: Analyzing trace with hash -380103047, now seen corresponding path program 2 times [2022-04-15 06:41:44,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 06:41:44,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542171347] [2022-04-15 06:41:44,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 06:41:44,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 06:41:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 06:41:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 06:41:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 06:41:44,461 INFO L290 TraceCheckUtils]: 0: Hoare triple {31#(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(9, 2);call #Ultimate.allocInit(12, 3);~SIZE~0 := 50000001; {29#(<= 50000001 ~SIZE~0)} is VALID [2022-04-15 06:41:44,462 INFO L290 TraceCheckUtils]: 1: Hoare triple {29#(<= 50000001 ~SIZE~0)} assume true; {29#(<= 50000001 ~SIZE~0)} is VALID [2022-04-15 06:41:44,463 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {29#(<= 50000001 ~SIZE~0)} {24#true} #52#return; {29#(<= 50000001 ~SIZE~0)} is VALID [2022-04-15 06:41:44,464 INFO L272 TraceCheckUtils]: 0: Hoare triple {24#true} call ULTIMATE.init(); {31#(and (= |old(~SIZE~0)| ~SIZE~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 06:41:44,465 INFO L290 TraceCheckUtils]: 1: Hoare triple {31#(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(9, 2);call #Ultimate.allocInit(12, 3);~SIZE~0 := 50000001; {29#(<= 50000001 ~SIZE~0)} is VALID [2022-04-15 06:41:44,466 INFO L290 TraceCheckUtils]: 2: Hoare triple {29#(<= 50000001 ~SIZE~0)} assume true; {29#(<= 50000001 ~SIZE~0)} is VALID [2022-04-15 06:41:44,466 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {29#(<= 50000001 ~SIZE~0)} {24#true} #52#return; {29#(<= 50000001 ~SIZE~0)} is VALID [2022-04-15 06:41:44,467 INFO L272 TraceCheckUtils]: 4: Hoare triple {29#(<= 50000001 ~SIZE~0)} call #t~ret5 := main(); {29#(<= 50000001 ~SIZE~0)} is VALID [2022-04-15 06:41:44,467 INFO L290 TraceCheckUtils]: 5: Hoare triple {29#(<= 50000001 ~SIZE~0)} havoc ~i~0;havoc ~j~0;~i~0 := 0;~j~0 := 0; {30#(and (= main_~i~0 0) (<= 50000001 ~SIZE~0))} is VALID [2022-04-15 06:41:44,469 INFO L290 TraceCheckUtils]: 6: Hoare triple {30#(and (= main_~i~0 0) (<= 50000001 ~SIZE~0))} assume !(~i~0 < ~SIZE~0); {25#false} is VALID [2022-04-15 06:41:44,469 INFO L290 TraceCheckUtils]: 7: Hoare triple {25#false} ~j~0 := (if ~i~0 < 0 && 0 != ~i~0 % 4 then 1 + ~i~0 / 4 else ~i~0 / 4); {25#false} is VALID [2022-04-15 06:41:44,469 INFO L272 TraceCheckUtils]: 8: Hoare triple {25#false} call __VERIFIER_assert((if 4 * ~j~0 == ~i~0 then 1 else 0)); {25#false} is VALID [2022-04-15 06:41:44,470 INFO L290 TraceCheckUtils]: 9: Hoare triple {25#false} ~cond := #in~cond; {25#false} is VALID [2022-04-15 06:41:44,470 INFO L290 TraceCheckUtils]: 10: Hoare triple {25#false} assume 0 == ~cond; {25#false} is VALID [2022-04-15 06:41:44,470 INFO L290 TraceCheckUtils]: 11: Hoare triple {25#false} assume !false; {25#false} is VALID [2022-04-15 06:41:44,470 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 06:41:44,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 06:41:44,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542171347] [2022-04-15 06:41:44,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542171347] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 06:41:44,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 06:41:44,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 06:41:44,476 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 06:41:44,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [9330614] [2022-04-15 06:41:44,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [9330614] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 06:41:44,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 06:41:44,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 06:41:44,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222826992] [2022-04-15 06:41:44,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 06:41:44,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 12 [2022-04-15 06:41:44,487 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 06:41:44,489 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 06:41:44,506 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 06:41:44,506 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 06:41:44,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 06:41:44,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 06:41:44,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-15 06:41:44,525 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 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 5 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 06:41:44,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 06:41:44,747 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2022-04-15 06:41:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 06:41:44,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 12 [2022-04-15 06:41:44,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 06:41:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 06:41:44,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 43 transitions. [2022-04-15 06:41:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 06:41:44,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 43 transitions. [2022-04-15 06:41:44,767 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 43 transitions. [2022-04-15 06:41:44,825 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 06:41:44,837 INFO L225 Difference]: With dead ends: 36 [2022-04-15 06:41:44,838 INFO L226 Difference]: Without dead ends: 16 [2022-04-15 06:41:44,841 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-04-15 06:41:44,847 INFO L913 BasicCegarLoop]: 16 mSDtfsCounter, 29 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 06:41:44,848 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 22 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 06:41:44,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-04-15 06:41:44,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-04-15 06:41:44,898 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 06:41:44,899 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 06:41:44,899 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 06:41:44,900 INFO L87 Difference]: Start difference. First operand 16 states. Second operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 06:41:44,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 06:41:44,901 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2022-04-15 06:41:44,901 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-04-15 06:41:44,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 06:41:44,902 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 06:41:44,902 INFO L74 IsIncluded]: Start isIncluded. First operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 16 states. [2022-04-15 06:41:44,902 INFO L87 Difference]: Start difference. First operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 16 states. [2022-04-15 06:41:44,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 06:41:44,904 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2022-04-15 06:41:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-04-15 06:41:44,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 06:41:44,904 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 06:41:44,904 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 06:41:44,904 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 06:41:44,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 06:41:44,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-04-15 06:41:44,907 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-04-15 06:41:44,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 06:41:44,908 INFO L478 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-04-15 06:41:44,908 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 06:41:44,908 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 16 transitions. [2022-04-15 06:41:44,924 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 06:41:44,929 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-04-15 06:41:44,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-15 06:41:44,929 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 06:41:44,929 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 06:41:44,930 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 06:41:44,930 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 06:41:44,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 06:41:44,930 INFO L85 PathProgramCache]: Analyzing trace with hash 437044508, now seen corresponding path program 1 times [2022-04-15 06:41:44,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 06:41:44,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [185815507] [2022-04-15 06:41:45,467 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-15 06:41:45,468 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.logic.Theory.term(Theory.java:1603) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:401) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:249) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:249) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.PredicateHelper.makeReflexive(PredicateHelper.java:222) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:253) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:195) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAcceleratedInterpolation.construct(IpTcStrategyModuleAcceleratedInterpolation.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:595) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) 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 06:41:45,471 INFO L158 Benchmark]: Toolchain (without parser) took 1771.90ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 154.2MB in the beginning and 219.3MB in the end (delta: -65.1MB). Peak memory consumption was 47.4MB. Max. memory is 8.0GB. [2022-04-15 06:41:45,471 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 205.5MB. Free memory was 170.4MB in the beginning and 170.2MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-15 06:41:45,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.24ms. Allocated memory is still 205.5MB. Free memory was 154.1MB in the beginning and 182.5MB in the end (delta: -28.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-15 06:41:45,472 INFO L158 Benchmark]: Boogie Preprocessor took 29.98ms. Allocated memory is still 205.5MB. Free memory was 182.5MB in the beginning and 180.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-15 06:41:45,472 INFO L158 Benchmark]: RCFGBuilder took 178.21ms. Allocated memory is still 205.5MB. Free memory was 180.9MB in the beginning and 170.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-15 06:41:45,473 INFO L158 Benchmark]: TraceAbstraction took 1338.70ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 169.9MB in the beginning and 219.3MB in the end (delta: -49.4MB). Peak memory consumption was 63.2MB. Max. memory is 8.0GB. [2022-04-15 06:41:45,474 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 0.08ms. Allocated memory is still 205.5MB. Free memory was 170.4MB in the beginning and 170.2MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.24ms. Allocated memory is still 205.5MB. Free memory was 154.1MB in the beginning and 182.5MB in the end (delta: -28.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.98ms. Allocated memory is still 205.5MB. Free memory was 182.5MB in the beginning and 180.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 178.21ms. Allocated memory is still 205.5MB. Free memory was 180.9MB in the beginning and 170.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1338.70ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 169.9MB in the beginning and 219.3MB in the end (delta: -49.4MB). Peak memory consumption was 63.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.logic.Theory.term(Theory.java:1603) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-04-15 06:41:45,496 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...