/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:50:55,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:50:55,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:50:56,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:50:56,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:50:56,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:50:56,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:50:56,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:50:56,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:50:56,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:50:56,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:50:56,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:50:56,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:50:56,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:50:56,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:50:56,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:50:56,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:50:56,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:50:56,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:50:56,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:50:56,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:50:56,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:50:56,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:50:56,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:50:56,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:50:56,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:50:56,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:50:56,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:50:56,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:50:56,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:50:56,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:50:56,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:50:56,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:50:56,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:50:56,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:50:56,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:50:56,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:50:56,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:50:56,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:50:56,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:50:56,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:50:56,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 23:50:56,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:50:56,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:50:56,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:50:56,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:50:56,126 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:50:56,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:50:56,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:50:56,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:50:56,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:50:56,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:50:56,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:50:56,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:50:56,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:50:56,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:50:56,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:50:56,129 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:50:56,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:50:56,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:50:56,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:50:56,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:50:56,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:50:56,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:50:56,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:50:56,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:50:56,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:50:56,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:50:56,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:50:56,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:50:56,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:50:56,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-09-24 23:50:56,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:50:56,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:50:56,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:50:56,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:50:56,609 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:50:56,611 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2020-09-24 23:50:56,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9e9dbba5/9b60059916544bb3a98390b47a79c885/FLAG2c7edcfca [2020-09-24 23:50:57,244 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:50:57,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/oomInt.i [2020-09-24 23:50:57,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9e9dbba5/9b60059916544bb3a98390b47a79c885/FLAG2c7edcfca [2020-09-24 23:50:57,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9e9dbba5/9b60059916544bb3a98390b47a79c885 [2020-09-24 23:50:57,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:50:57,611 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:50:57,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:50:57,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:50:57,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:50:57,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:50:57" (1/1) ... [2020-09-24 23:50:57,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc82329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57, skipping insertion in model container [2020-09-24 23:50:57,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:50:57" (1/1) ... [2020-09-24 23:50:57,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:50:57,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:50:57,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:50:57,903 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:50:57,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:50:57,934 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:50:57,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57 WrapperNode [2020-09-24 23:50:57,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:50:57,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:50:57,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:50:57,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:50:57,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57" (1/1) ... [2020-09-24 23:50:57,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57" (1/1) ... [2020-09-24 23:50:57,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57" (1/1) ... [2020-09-24 23:50:57,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57" (1/1) ... [2020-09-24 23:50:57,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57" (1/1) ... [2020-09-24 23:50:57,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57" (1/1) ... [2020-09-24 23:50:57,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57" (1/1) ... [2020-09-24 23:50:57,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:50:57,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:50:57,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:50:57,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:50:57,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-24 23:50:58,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:50:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:50:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 23:50:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-09-24 23:50:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-09-24 23:50:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:50:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:50:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 23:50:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-09-24 23:50:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-09-24 23:50:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:50:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:50:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:50:58,336 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:50:58,336 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 23:50:58,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:50:58 BoogieIcfgContainer [2020-09-24 23:50:58,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:50:58,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:50:58,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:50:58,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:50:58,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:50:57" (1/3) ... [2020-09-24 23:50:58,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4922f82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:50:58, skipping insertion in model container [2020-09-24 23:50:58,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:50:57" (2/3) ... [2020-09-24 23:50:58,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4922f82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:50:58, skipping insertion in model container [2020-09-24 23:50:58,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:50:58" (3/3) ... [2020-09-24 23:50:58,352 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i [2020-09-24 23:50:58,365 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:50:58,376 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:50:58,429 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:50:58,501 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:50:58,501 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:50:58,501 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:50:58,501 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:50:58,501 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:50:58,502 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:50:58,504 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:50:58,504 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:50:58,528 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-09-24 23:50:58,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-24 23:50:58,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:50:58,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:50:58,537 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:50:58,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:50:58,544 INFO L82 PathProgramCache]: Analyzing trace with hash 531924990, now seen corresponding path program 1 times [2020-09-24 23:50:58,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:50:58,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1998004492] [2020-09-24 23:50:58,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:50:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:50:58,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:50:58,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:50:58,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:50:58,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 23:50:58,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:50:58,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-24 23:50:58,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:50:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 23:50:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:50:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:50:58,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-24 23:50:59,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:50:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:50:59,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:50:59,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:50:59,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:50:59,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:50:59,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:50:59,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:50:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:50:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:50:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:50:59,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:50:59,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 23:50:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:50:59,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:50:59,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:50:59,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:50:59,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:50:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 23:50:59,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:50:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:50:59,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:50:59,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:50:59,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:50:59,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:50:59,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1998004492] [2020-09-24 23:50:59,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:50:59,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 23:50:59,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368158417] [2020-09-24 23:50:59,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 23:50:59,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:50:59,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 23:50:59,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:50:59,283 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 9 states. [2020-09-24 23:50:59,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:50:59,598 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-09-24 23:50:59,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 23:50:59,600 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-09-24 23:50:59,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:50:59,613 INFO L225 Difference]: With dead ends: 55 [2020-09-24 23:50:59,614 INFO L226 Difference]: Without dead ends: 20 [2020-09-24 23:50:59,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2020-09-24 23:50:59,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-09-24 23:50:59,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-09-24 23:50:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-09-24 23:50:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2020-09-24 23:50:59,671 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 19 [2020-09-24 23:50:59,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:50:59,671 INFO L479 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2020-09-24 23:50:59,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 23:50:59,672 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2020-09-24 23:50:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-24 23:50:59,673 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:50:59,673 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:50:59,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:50:59,674 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:50:59,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:50:59,674 INFO L82 PathProgramCache]: Analyzing trace with hash 839962558, now seen corresponding path program 1 times [2020-09-24 23:50:59,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:50:59,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276347772] [2020-09-24 23:50:59,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:50:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:50:59,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:50:59,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:50:59,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:50:59,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 23:50:59,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:50:59,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-24 23:50:59,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:50:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:50:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:50:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:50:59,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:50:59,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:50:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:50:59,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:50:59,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:50:59,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:50:59,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:50:59,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:50:59,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:50:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:50:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:50:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:50:59,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:51:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 23:51:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:51:00,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:51:00,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:51:00,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:51:00,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:51:00,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:51:00,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:51:00,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:51:00,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 23:51:00,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:51:00,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:51:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:51:00,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276347772] [2020-09-24 23:51:00,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:51:00,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:51:00,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777679040] [2020-09-24 23:51:00,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:51:00,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:51:00,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:51:00,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:51:00,036 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 5 states. [2020-09-24 23:51:00,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:51:00,071 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2020-09-24 23:51:00,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 23:51:00,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-09-24 23:51:00,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:51:00,072 INFO L225 Difference]: With dead ends: 20 [2020-09-24 23:51:00,072 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 23:51:00,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:51:00,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 23:51:00,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 23:51:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 23:51:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 23:51:00,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-09-24 23:51:00,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:51:00,075 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 23:51:00,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:51:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 23:51:00,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 23:51:00,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:51:00,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 23:51:00,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 23:51:00,152 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-09-24 23:51:00,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 23:51:00,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 23:51:00,153 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 0 ~p~0) [2020-09-24 23:51:00,153 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 23:51:00,153 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 23:51:00,153 INFO L268 CegarLoopResult]: For program point abs_intEXIT(lines 16 25) no Hoare annotation was computed. [2020-09-24 23:51:00,153 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 23:51:00,153 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-24 23:51:00,154 INFO L271 CegarLoopResult]: At program point abs_intENTRY(lines 16 25) the Hoare annotation is: true [2020-09-24 23:51:00,154 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-09-24 23:51:00,154 INFO L268 CegarLoopResult]: For program point abs_intFINAL(lines 16 25) no Hoare annotation was computed. [2020-09-24 23:51:00,154 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (or (<= 0 ~p~0) (not (<= 0 |old(~p~0)|))) [2020-09-24 23:51:00,154 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 23:51:00,154 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-24 23:51:00,155 INFO L264 CegarLoopResult]: At program point firstFunctionENTRY(lines 27 31) the Hoare annotation is: (or (= ~p~0 |old(~p~0)|) (not (<= 0 |old(~p~0)|))) [2020-09-24 23:51:00,155 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-24 23:51:00,155 INFO L268 CegarLoopResult]: For program point firstFunctionFINAL(lines 27 31) no Hoare annotation was computed. [2020-09-24 23:51:00,155 INFO L268 CegarLoopResult]: For program point firstFunctionEXIT(lines 27 31) no Hoare annotation was computed. [2020-09-24 23:51:00,155 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 33 36) the Hoare annotation is: (or (= ~p~0 |old(~p~0)|) (not (<= 0 |old(~p~0)|))) [2020-09-24 23:51:00,156 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 33 36) no Hoare annotation was computed. [2020-09-24 23:51:00,156 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 33 36) no Hoare annotation was computed. [2020-09-24 23:51:00,156 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 12) the Hoare annotation is: true [2020-09-24 23:51:00,156 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 23:51:00,156 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 12) no Hoare annotation was computed. [2020-09-24 23:51:00,157 INFO L268 CegarLoopResult]: For program point L8(lines 8 11) no Hoare annotation was computed. [2020-09-24 23:51:00,157 INFO L268 CegarLoopResult]: For program point L8-2(lines 6 12) no Hoare annotation was computed. [2020-09-24 23:51:00,157 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2020-09-24 23:51:00,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 11:51:00 BoogieIcfgContainer [2020-09-24 23:51:00,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 23:51:00,168 INFO L168 Benchmark]: Toolchain (without parser) took 2558.71 ms. Allocated memory was 139.5 MB in the beginning and 235.9 MB in the end (delta: 96.5 MB). Free memory was 102.8 MB in the beginning and 183.3 MB in the end (delta: -80.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2020-09-24 23:51:00,170 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-24 23:51:00,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.65 ms. Allocated memory is still 139.5 MB. Free memory was 102.0 MB in the beginning and 93.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2020-09-24 23:51:00,171 INFO L168 Benchmark]: Boogie Preprocessor took 29.76 ms. Allocated memory is still 139.5 MB. Free memory was 93.0 MB in the beginning and 91.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-24 23:51:00,173 INFO L168 Benchmark]: RCFGBuilder took 376.11 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 91.2 MB in the beginning and 170.4 MB in the end (delta: -79.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-24 23:51:00,174 INFO L168 Benchmark]: TraceAbstraction took 1821.36 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.4 MB in the beginning and 183.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2020-09-24 23:51:00,178 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 319.65 ms. Allocated memory is still 139.5 MB. Free memory was 102.0 MB in the beginning and 93.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.76 ms. Allocated memory is still 139.5 MB. Free memory was 93.0 MB in the beginning and 91.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 376.11 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 91.2 MB in the beginning and 170.4 MB in the end (delta: -79.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1821.36 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.4 MB in the beginning and 183.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 53 SDslu, 98 SDs, 0 SdLazy, 99 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 33 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1728 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 correct! Received shutdown request...