/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/array-programs/partial_mod_count_limited_base.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 09:27:50,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 09:27:50,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 09:27:50,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 09:27:50,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 09:27:50,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 09:27:50,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 09:27:50,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 09:27:50,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 09:27:50,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 09:27:50,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 09:27:50,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 09:27:50,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 09:27:50,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 09:27:50,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 09:27:50,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 09:27:50,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 09:27:50,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 09:27:50,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 09:27:50,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 09:27:50,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 09:27:50,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 09:27:50,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 09:27:50,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 09:27:50,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 09:27:50,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 09:27:50,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 09:27:50,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 09:27:50,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 09:27:50,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 09:27:50,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 09:27:50,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 09:27:50,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 09:27:50,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 09:27:50,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 09:27:50,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 09:27:50,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 09:27:50,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 09:27:50,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 09:27:50,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 09:27:50,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 09:27:50,841 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 [2020-10-28 09:27:50,889 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 09:27:50,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 09:27:50,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 09:27:50,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 09:27:50,894 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 09:27:50,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 09:27:50,895 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 09:27:50,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 09:27:50,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 09:27:50,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 09:27:50,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 09:27:50,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 09:27:50,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 09:27:50,897 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 09:27:50,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 09:27:50,897 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 09:27:50,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 09:27:50,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 09:27:50,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 09:27:50,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 09:27:50,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 09:27:50,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 09:27:50,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 09:27:50,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 09:27:50,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 09:27:50,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 09:27:50,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 09:27:50,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 09:27:50,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 09:27:50,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 09:27:51,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 09:27:51,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 09:27:51,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 09:27:51,394 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 09:27:51,395 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 09:27:51,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-programs/partial_mod_count_limited_base.c [2020-10-28 09:27:51,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/936661f5a/f209a76ef073406aae29db2564808d85/FLAG89184f3cd [2020-10-28 09:27:52,089 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 09:27:52,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-programs/partial_mod_count_limited_base.c [2020-10-28 09:27:52,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/936661f5a/f209a76ef073406aae29db2564808d85/FLAG89184f3cd [2020-10-28 09:27:52,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/936661f5a/f209a76ef073406aae29db2564808d85 [2020-10-28 09:27:52,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 09:27:52,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 09:27:52,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 09:27:52,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 09:27:52,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 09:27:52,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:27:52" (1/1) ... [2020-10-28 09:27:52,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d112f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52, skipping insertion in model container [2020-10-28 09:27:52,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:27:52" (1/1) ... [2020-10-28 09:27:52,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 09:27:52,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 09:27:52,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 09:27:52,777 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 09:27:52,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 09:27:52,827 INFO L208 MainTranslator]: Completed translation [2020-10-28 09:27:52,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52 WrapperNode [2020-10-28 09:27:52,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 09:27:52,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 09:27:52,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 09:27:52,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 09:27:52,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52" (1/1) ... [2020-10-28 09:27:52,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52" (1/1) ... [2020-10-28 09:27:52,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52" (1/1) ... [2020-10-28 09:27:52,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52" (1/1) ... [2020-10-28 09:27:52,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52" (1/1) ... [2020-10-28 09:27:52,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52" (1/1) ... [2020-10-28 09:27:52,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52" (1/1) ... [2020-10-28 09:27:52,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 09:27:52,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 09:27:52,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 09:27:52,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 09:27:52,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52" (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 [2020-10-28 09:27:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 09:27:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 09:27:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 09:27:52,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-28 09:27:52,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 09:27:52,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 09:27:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 09:27:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 09:27:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 09:27:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 09:27:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-28 09:27:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 09:27:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 09:27:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 09:27:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 09:27:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 09:27:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 09:27:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 09:27:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 09:27:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 09:27:53,316 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 09:27:53,316 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-28 09:27:53,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:27:53 BoogieIcfgContainer [2020-10-28 09:27:53,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 09:27:53,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 09:27:53,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 09:27:53,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 09:27:53,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:27:52" (1/3) ... [2020-10-28 09:27:53,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713d3ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:27:53, skipping insertion in model container [2020-10-28 09:27:53,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:52" (2/3) ... [2020-10-28 09:27:53,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713d3ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:27:53, skipping insertion in model container [2020-10-28 09:27:53,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:27:53" (3/3) ... [2020-10-28 09:27:53,355 INFO L111 eAbstractionObserver]: Analyzing ICFG partial_mod_count_limited_base.c [2020-10-28 09:27:53,369 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 09:27:53,374 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 09:27:53,390 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 09:27:53,443 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 09:27:53,444 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 09:27:53,444 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 09:27:53,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 09:27:53,444 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 09:27:53,445 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 09:27:53,445 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 09:27:53,445 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 09:27:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-10-28 09:27:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-28 09:27:53,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:27:53,486 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] [2020-10-28 09:27:53,487 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:27:53,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:27:53,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1396075351, now seen corresponding path program 1 times [2020-10-28 09:27:53,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:27:53,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826170040] [2020-10-28 09:27:53,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:27:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:27:53,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:53,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:54,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:54,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:54,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:27:54,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 09:27:54,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 09:27:54,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1140 [2020-10-28 09:27:54,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:27:54,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:27:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:27:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 09:27:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:27:54,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 09:27:55,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:27:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:27:55,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:55,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:27:55,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:27:55,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:27:55,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 09:27:55,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:27:55,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:27:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:27:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:27:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:27:55,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:27:55,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 09:27:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:27:55,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:55,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:27:55,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:27:55,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:27:55,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:27:55,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:27:55,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:27:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:27:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 09:27:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:27:55,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:27:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 09:27:55,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [826170040] [2020-10-28 09:27:55,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:27:55,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 09:27:55,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748618427] [2020-10-28 09:27:55,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 09:27:55,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:27:55,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 09:27:55,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 09:27:55,126 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2020-10-28 09:27:55,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:27:55,252 INFO L93 Difference]: Finished difference Result 62 states and 79 transitions. [2020-10-28 09:27:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 09:27:55,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-10-28 09:27:55,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:27:55,261 INFO L225 Difference]: With dead ends: 62 [2020-10-28 09:27:55,261 INFO L226 Difference]: Without dead ends: 29 [2020-10-28 09:27:55,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 09:27:55,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-28 09:27:55,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-28 09:27:55,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-28 09:27:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-10-28 09:27:55,303 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 21 [2020-10-28 09:27:55,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:27:55,303 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-10-28 09:27:55,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 09:27:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-10-28 09:27:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-28 09:27:55,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:27:55,305 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] [2020-10-28 09:27:55,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 09:27:55,306 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:27:55,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:27:55,307 INFO L82 PathProgramCache]: Analyzing trace with hash 809269337, now seen corresponding path program 1 times [2020-10-28 09:27:55,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:27:55,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616701268] [2020-10-28 09:27:55,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:27:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:27:55,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:55,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:55,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:55,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:27:55,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 09:27:55,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 09:27:55,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-28 09:27:55,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:27:55,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:27:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 09:27:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 09:27:55,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 09:27:55,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:27:55,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:27:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:27:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:55,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:27:55,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:27:55,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:27:55,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 09:27:55,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:27:55,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:27:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:27:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:27:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 09:27:55,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:27:55,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 09:27:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:27:55,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:27:55,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:27:55,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:27:55,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:27:55,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:27:55,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:27:55,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:27:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:27:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:27:55,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:27:55,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:27:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 09:27:55,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616701268] [2020-10-28 09:27:55,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:27:55,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 09:27:55,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201456066] [2020-10-28 09:27:55,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 09:27:55,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:27:55,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 09:27:55,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:27:55,938 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 5 states. [2020-10-28 09:27:56,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:27:56,147 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-28 09:27:56,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 09:27:56,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-28 09:27:56,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:27:56,150 INFO L225 Difference]: With dead ends: 50 [2020-10-28 09:27:56,150 INFO L226 Difference]: Without dead ends: 38 [2020-10-28 09:27:56,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 09:27:56,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-28 09:27:56,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2020-10-28 09:27:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-28 09:27:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-10-28 09:27:56,165 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 21 [2020-10-28 09:27:56,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:27:56,166 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-10-28 09:27:56,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 09:27:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-10-28 09:27:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-28 09:27:56,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:27:56,168 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] [2020-10-28 09:27:56,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 09:27:56,168 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:27:56,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:27:56,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1075898616, now seen corresponding path program 1 times [2020-10-28 09:27:56,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:27:56,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228770142] [2020-10-28 09:27:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:27:56,184 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-28 09:27:56,184 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-28 09:27:56,184 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 09:27:56,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 09:27:56,205 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-28 09:27:56,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:27:56 BoogieIcfgContainer [2020-10-28 09:27:56,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 09:27:56,209 INFO L168 Benchmark]: Toolchain (without parser) took 3730.20 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 101.1 MB in the beginning and 103.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 8.0 GB. [2020-10-28 09:27:56,210 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 09:27:56,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.22 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 90.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-28 09:27:56,212 INFO L168 Benchmark]: Boogie Preprocessor took 40.54 ms. Allocated memory is still 125.8 MB. Free memory was 90.6 MB in the beginning and 89.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-28 09:27:56,213 INFO L168 Benchmark]: RCFGBuilder took 447.16 ms. Allocated memory is still 125.8 MB. Free memory was 89.0 MB in the beginning and 72.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-10-28 09:27:56,214 INFO L168 Benchmark]: TraceAbstraction took 2885.84 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 72.6 MB in the beginning and 103.9 MB in the end (delta: -31.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 09:27:56,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 340.22 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 90.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.54 ms. Allocated memory is still 125.8 MB. Free memory was 90.6 MB in the beginning and 89.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 447.16 ms. Allocated memory is still 125.8 MB. Free memory was 89.0 MB in the beginning and 72.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2885.84 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 72.6 MB in the beginning and 103.9 MB in the end (delta: -31.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L10] int N = 1000000; [L12] int i,j=0,k=0,a[N]; [L13] unsigned int R=__VERIFIER_nondet_int(); [L14] CALL assume_abort_if_not(R>0) [L7] COND FALSE !(!cond) [L14] RET assume_abort_if_not(R>0) [L15] i=0 [L15] COND TRUE iN/2 && k<1 [L18] a[i]=i%R [L19] EXPR a[i] [L19] COND FALSE !(a[i]==0) [L15] i++ [L15] COND FALSE !(i