/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 SequenceOfStatements --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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/res1of.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 23:51:34,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 23:51:34,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 23:51:35,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 23:51:35,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 23:51:35,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 23:51:35,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 23:51:35,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 23:51:35,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 23:51:35,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 23:51:35,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 23:51:35,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 23:51:35,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 23:51:35,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 23:51:35,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 23:51:35,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 23:51:35,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 23:51:35,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 23:51:35,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 23:51:35,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 23:51:35,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 23:51:35,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 23:51:35,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 23:51:35,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 23:51:35,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 23:51:35,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 23:51:35,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 23:51:35,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 23:51:35,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 23:51:35,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 23:51:35,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 23:51:35,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 23:51:35,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 23:51:35,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 23:51:35,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 23:51:35,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 23:51:35,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 23:51:35,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 23:51:35,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 23:51:35,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 23:51:35,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 23:51:35,115 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 [2020-10-13 23:51:35,142 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 23:51:35,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 23:51:35,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 23:51:35,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 23:51:35,144 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 23:51:35,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 23:51:35,144 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 23:51:35,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 23:51:35,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 23:51:35,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 23:51:35,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 23:51:35,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 23:51:35,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 23:51:35,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 23:51:35,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 23:51:35,146 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 23:51:35,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 23:51:35,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 23:51:35,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 23:51:35,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 23:51:35,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 23:51:35,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 23:51:35,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 23:51:35,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 23:51:35,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 23:51:35,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 23:51:35,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 23:51:35,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 23:51:35,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 23:51:35,149 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 -> SequenceOfStatements 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-13 23:51:35,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 23:51:35,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 23:51:35,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 23:51:35,494 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 23:51:35,495 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 23:51:35,496 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/res1of.c [2020-10-13 23:51:35,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c68d18f12/af2c98a126344a9698b61b7504f896d0/FLAG946e06286 [2020-10-13 23:51:35,992 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 23:51:35,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/res1of.c [2020-10-13 23:51:36,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c68d18f12/af2c98a126344a9698b61b7504f896d0/FLAG946e06286 [2020-10-13 23:51:36,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c68d18f12/af2c98a126344a9698b61b7504f896d0 [2020-10-13 23:51:36,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 23:51:36,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 23:51:36,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 23:51:36,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 23:51:36,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 23:51:36,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:51:36" (1/1) ... [2020-10-13 23:51:36,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a1b8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36, skipping insertion in model container [2020-10-13 23:51:36,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:51:36" (1/1) ... [2020-10-13 23:51:36,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 23:51:36,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 23:51:36,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 23:51:36,660 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 23:51:36,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 23:51:36,821 INFO L208 MainTranslator]: Completed translation [2020-10-13 23:51:36,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36 WrapperNode [2020-10-13 23:51:36,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 23:51:36,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 23:51:36,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 23:51:36,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 23:51:36,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 23:51:36,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 23:51:36,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 23:51:36,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 23:51:36,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 23:51:36,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 23:51:36,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 23:51:36,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 23:51:36,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 23:51:36,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 23:51:36,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 23:51:36,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (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 [2020-10-13 23:51:36,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 23:51:36,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 23:51:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 23:51:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-13 23:51:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 23:51:36,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 23:51:36,943 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 23:51:36,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 23:51:36,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-13 23:51:36,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 23:51:36,943 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 23:51:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 23:51:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 23:51:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 23:51:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 23:51:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 23:51:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 23:51:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 23:51:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 23:51:37,218 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 23:51:37,219 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 23:51:37,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:51:37 BoogieIcfgContainer [2020-10-13 23:51:37,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 23:51:37,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 23:51:37,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 23:51:37,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 23:51:37,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:51:36" (1/3) ... [2020-10-13 23:51:37,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646ed037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:51:37, skipping insertion in model container [2020-10-13 23:51:37,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (2/3) ... [2020-10-13 23:51:37,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646ed037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:51:37, skipping insertion in model container [2020-10-13 23:51:37,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:51:37" (3/3) ... [2020-10-13 23:51:37,232 INFO L109 eAbstractionObserver]: Analyzing ICFG res1of.c [2020-10-13 23:51:37,244 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 23:51:37,252 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 23:51:37,267 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 23:51:37,332 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 23:51:37,332 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 23:51:37,333 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 23:51:37,333 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 23:51:37,335 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 23:51:37,335 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 23:51:37,336 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 23:51:37,336 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 23:51:37,373 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-10-13 23:51:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-13 23:51:37,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:51:37,392 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, 1, 1, 1] [2020-10-13 23:51:37,392 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:51:37,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:51:37,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1562148239, now seen corresponding path program 1 times [2020-10-13 23:51:37,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:51:37,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666810321] [2020-10-13 23:51:37,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:51:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:37,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:37,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:37,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:37,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:37,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:38,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:38,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:38,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 23:51:38,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 23:51:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1163 [2020-10-13 23:51:38,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:38,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:38,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:51:38,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 23:51:38,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:51:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 23:51:38,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:51:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:38,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:38,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:38,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:51:38,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:51:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:51:38,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:38,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:51:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:51:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:51:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:51:38,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:51:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:38,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:38,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:38,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:51:38,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:51:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 23:51:38,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:38,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:51:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 23:51:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:51:38,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:51:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 23:51:38,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666810321] [2020-10-13 23:51:38,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:51:38,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 23:51:38,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116409678] [2020-10-13 23:51:38,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 23:51:38,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:51:38,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 23:51:38,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 23:51:38,807 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2020-10-13 23:51:38,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:51:38,913 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2020-10-13 23:51:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 23:51:38,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-13 23:51:38,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:51:38,924 INFO L225 Difference]: With dead ends: 64 [2020-10-13 23:51:38,925 INFO L226 Difference]: Without dead ends: 30 [2020-10-13 23:51:38,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 23:51:38,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-13 23:51:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-13 23:51:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-13 23:51:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-10-13 23:51:38,971 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 25 [2020-10-13 23:51:38,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:51:38,972 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-10-13 23:51:38,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 23:51:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-10-13 23:51:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-13 23:51:38,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:51:38,974 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, 1, 1, 1] [2020-10-13 23:51:38,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 23:51:38,975 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:51:38,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:51:38,975 INFO L82 PathProgramCache]: Analyzing trace with hash 369304979, now seen corresponding path program 1 times [2020-10-13 23:51:38,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:51:38,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670518449] [2020-10-13 23:51:38,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:51:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:38,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:39,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:39,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:39,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:39,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:39,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:39,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 23:51:39,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 23:51:39,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 619 [2020-10-13 23:51:39,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:39,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 23:51:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 23:51:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 23:51:39,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:51:39,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:51:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:39,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:39,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:39,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:51:39,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:51:39,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 23:51:39,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:39,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:51:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:51:39,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:51:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:51:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:51:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:51:39,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:51:39,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:51:39,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:51:39,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:51:39,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:51:39,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-13 23:51:39,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-13 23:51:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:51:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:51:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 23:51:39,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:51:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 23:51:39,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670518449] [2020-10-13 23:51:39,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:51:39,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 23:51:39,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662895536] [2020-10-13 23:51:39,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 23:51:39,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:51:39,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 23:51:39,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 23:51:39,706 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 5 states. [2020-10-13 23:51:39,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:51:39,864 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2020-10-13 23:51:39,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 23:51:39,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-13 23:51:39,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:51:39,865 INFO L225 Difference]: With dead ends: 49 [2020-10-13 23:51:39,866 INFO L226 Difference]: Without dead ends: 34 [2020-10-13 23:51:39,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 23:51:39,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-13 23:51:39,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-10-13 23:51:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-13 23:51:39,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2020-10-13 23:51:39,876 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 25 [2020-10-13 23:51:39,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:51:39,876 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2020-10-13 23:51:39,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 23:51:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2020-10-13 23:51:39,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-13 23:51:39,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:51:39,878 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 23:51:39,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 23:51:39,878 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:51:39,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:51:39,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1815337701, now seen corresponding path program 1 times [2020-10-13 23:51:39,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:51:39,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145078687] [2020-10-13 23:51:39,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:51:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 23:51:39,902 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 23:51:39,902 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 23:51:39,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 23:51:39,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:51:39 BoogieIcfgContainer [2020-10-13 23:51:39,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 23:51:39,929 INFO L168 Benchmark]: Toolchain (without parser) took 3572.54 ms. Allocated memory was 148.4 MB in the beginning and 243.3 MB in the end (delta: 94.9 MB). Free memory was 104.0 MB in the beginning and 131.4 MB in the end (delta: -27.4 MB). Peak memory consumption was 67.5 MB. Max. memory is 7.1 GB. [2020-10-13 23:51:39,930 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 23:51:39,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.39 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.8 MB in the beginning and 184.6 MB in the end (delta: -80.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2020-10-13 23:51:39,932 INFO L168 Benchmark]: Boogie Preprocessor took 46.69 ms. Allocated memory is still 205.5 MB. Free memory was 183.9 MB in the beginning and 182.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-10-13 23:51:39,933 INFO L168 Benchmark]: RCFGBuilder took 353.65 ms. Allocated memory is still 205.5 MB. Free memory was 181.6 MB in the beginning and 163.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2020-10-13 23:51:39,934 INFO L168 Benchmark]: TraceAbstraction took 2700.81 ms. Allocated memory was 205.5 MB in the beginning and 243.3 MB in the end (delta: 37.7 MB). Free memory was 162.9 MB in the beginning and 131.4 MB in the end (delta: 31.5 MB). Peak memory consumption was 69.3 MB. Max. memory is 7.1 GB. [2020-10-13 23:51:39,938 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 466.39 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.8 MB in the beginning and 184.6 MB in the end (delta: -80.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.69 ms. Allocated memory is still 205.5 MB. Free memory was 183.9 MB in the beginning and 182.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 353.65 ms. Allocated memory is still 205.5 MB. Free memory was 181.6 MB in the beginning and 163.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2700.81 ms. Allocated memory was 205.5 MB in the beginning and 243.3 MB in the end (delta: 37.7 MB). Free memory was 162.9 MB in the beginning and 131.4 MB in the end (delta: 31.5 MB). Peak memory consumption was 69.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L28] int *b = malloc(sizeof(int)*N); [L30] sum[0] = 0 [L31] i=0 [L31] COND TRUE i