/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/trex03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 14:54:13,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 14:54:13,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 14:54:13,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 14:54:13,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 14:54:13,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 14:54:13,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 14:54:13,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 14:54:13,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 14:54:13,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 14:54:13,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 14:54:13,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 14:54:13,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 14:54:13,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 14:54:13,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 14:54:13,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 14:54:13,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 14:54:13,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 14:54:13,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 14:54:13,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 14:54:13,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 14:54:13,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 14:54:13,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 14:54:13,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 14:54:13,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 14:54:13,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 14:54:13,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 14:54:13,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 14:54:13,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 14:54:13,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-17 14:54:13,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 14:54:13,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 14:54:13,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 14:54:13,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 14:54:13,947 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 14:54:13,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 14:54:13,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 14:54:13,948 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 14:54:13,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 14:54:13,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 14:54:13,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 14:54:13,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 14:54:13,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 14:54:13,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 14:54:13,950 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 14:54:13,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 14:54:13,950 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 14:54:13,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 14:54:13,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 14:54:13,951 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 14:54:13,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 14:54:13,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 14:54:13,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:54:13,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 14:54:13,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 14:54:13,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 14:54:13,952 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 14:54:14,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 14:54:14,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 14:54:14,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 14:54:14,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 14:54:14,256 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 14:54:14,256 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03-1.c [2020-07-17 14:54:14,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa279ed8/f71083675abc40ba89b756d96ec073de/FLAGd8b5fdf7b [2020-07-17 14:54:14,773 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 14:54:14,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03-1.c [2020-07-17 14:54:14,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa279ed8/f71083675abc40ba89b756d96ec073de/FLAGd8b5fdf7b [2020-07-17 14:54:15,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa279ed8/f71083675abc40ba89b756d96ec073de [2020-07-17 14:54:15,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 14:54:15,141 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 14:54:15,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 14:54:15,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 14:54:15,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 14:54:15,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:54:15" (1/1) ... [2020-07-17 14:54:15,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a160cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15, skipping insertion in model container [2020-07-17 14:54:15,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:54:15" (1/1) ... [2020-07-17 14:54:15,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 14:54:15,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 14:54:15,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:54:15,416 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 14:54:15,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:54:15,459 INFO L208 MainTranslator]: Completed translation [2020-07-17 14:54:15,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15 WrapperNode [2020-07-17 14:54:15,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 14:54:15,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 14:54:15,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 14:54:15,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 14:54:15,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15" (1/1) ... [2020-07-17 14:54:15,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15" (1/1) ... [2020-07-17 14:54:15,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15" (1/1) ... [2020-07-17 14:54:15,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15" (1/1) ... [2020-07-17 14:54:15,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15" (1/1) ... [2020-07-17 14:54:15,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15" (1/1) ... [2020-07-17 14:54:15,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15" (1/1) ... [2020-07-17 14:54:15,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 14:54:15,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 14:54:15,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 14:54:15,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 14:54:15,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:54:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 14:54:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 14:54:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 14:54:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 14:54:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 14:54:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 14:54:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-07-17 14:54:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-17 14:54:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 14:54:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 14:54:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 14:54:15,855 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 14:54:15,855 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 14:54:15,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:54:15 BoogieIcfgContainer [2020-07-17 14:54:15,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 14:54:15,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 14:54:15,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 14:54:15,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 14:54:15,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 02:54:15" (1/3) ... [2020-07-17 14:54:15,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd3dd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:54:15, skipping insertion in model container [2020-07-17 14:54:15,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:54:15" (2/3) ... [2020-07-17 14:54:15,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd3dd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:54:15, skipping insertion in model container [2020-07-17 14:54:15,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:54:15" (3/3) ... [2020-07-17 14:54:15,868 INFO L109 eAbstractionObserver]: Analyzing ICFG trex03-1.c [2020-07-17 14:54:15,878 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 14:54:15,885 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 14:54:15,899 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 14:54:15,921 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 14:54:15,921 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 14:54:15,921 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 14:54:15,921 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 14:54:15,921 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 14:54:15,921 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 14:54:15,922 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 14:54:15,922 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 14:54:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-07-17 14:54:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-17 14:54:15,946 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:54:15,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:54:15,948 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:54:15,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:54:15,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1978237477, now seen corresponding path program 1 times [2020-07-17 14:54:15,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:54:15,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740961843] [2020-07-17 14:54:15,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:54:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 14:54:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 14:54:16,151 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:54:16,153 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 14:54:16,153 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 14:54:16,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 14:54:16,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 02:54:16 BoogieIcfgContainer [2020-07-17 14:54:16,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 14:54:16,173 INFO L168 Benchmark]: Toolchain (without parser) took 1031.79 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 102.6 MB in the beginning and 151.6 MB in the end (delta: -49.0 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2020-07-17 14:54:16,174 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 14:54:16,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.48 ms. Allocated memory is still 144.2 MB. Free memory was 102.2 MB in the beginning and 92.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-17 14:54:16,181 INFO L168 Benchmark]: Boogie Preprocessor took 131.43 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 92.6 MB in the beginning and 181.5 MB in the end (delta: -88.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-07-17 14:54:16,182 INFO L168 Benchmark]: RCFGBuilder took 267.25 ms. Allocated memory is still 201.3 MB. Free memory was 181.5 MB in the beginning and 166.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2020-07-17 14:54:16,183 INFO L168 Benchmark]: TraceAbstraction took 309.30 ms. Allocated memory is still 201.3 MB. Free memory was 165.6 MB in the beginning and 151.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-17 14:54:16,187 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 317.48 ms. Allocated memory is still 144.2 MB. Free memory was 102.2 MB in the beginning and 92.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.43 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 92.6 MB in the beginning and 181.5 MB in the end (delta: -88.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 267.25 ms. Allocated memory is still 201.3 MB. Free memory was 181.5 MB in the beginning and 166.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 309.30 ms. Allocated memory is still 201.3 MB. Free memory was 165.6 MB in the beginning and 151.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L16] unsigned int d1=1, d2=1, d3=1; [L17] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L17] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L19] COND FALSE !(x1>0 && x2>0 && x3>0) [L28] CALL __VERIFIER_assert(x1==0 && x2==0 && x3==0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...