java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --traceabstraction.dump.automata.to.the.following.directory dump -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/array-examples/standard_strcpy_original_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 11:30:19,751 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 11:30:19,753 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 11:30:19,770 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 11:30:19,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 11:30:19,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 11:30:19,773 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 11:30:19,775 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 11:30:19,777 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 11:30:19,778 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 11:30:19,779 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 11:30:19,779 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 11:30:19,780 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 11:30:19,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 11:30:19,782 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 11:30:19,783 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 11:30:19,784 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 11:30:19,786 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 11:30:19,788 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 11:30:19,790 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 11:30:19,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 11:30:19,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 11:30:19,799 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 11:30:19,799 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 11:30:19,800 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 11:30:19,800 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 11:30:19,805 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 11:30:19,806 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 11:30:19,807 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 11:30:19,812 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 11:30:19,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 11:30:19,814 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 11:30:19,818 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-10-10 11:30:19,845 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 11:30:19,845 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 11:30:19,847 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 11:30:19,849 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 11:30:19,850 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 11:30:19,850 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 11:30:19,850 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 11:30:19,850 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 11:30:19,850 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 11:30:19,851 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 11:30:19,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 11:30:19,851 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 11:30:19,851 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 11:30:19,851 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 11:30:19,852 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 11:30:19,852 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-10 11:30:19,852 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-10 11:30:19,852 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 11:30:19,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 11:30:19,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 11:30:19,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 11:30:19,853 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 11:30:19,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 11:30:19,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 11:30:19,855 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 11:30:19,855 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-10 11:30:19,856 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 11:30:19,856 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-10 11:30:19,856 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Dump automata to the following directory -> dump [2018-10-10 11:30:19,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 11:30:19,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 11:30:19,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 11:30:19,953 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 11:30:19,954 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 11:30:19,957 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_strcpy_original_false-valid-deref.i [2018-10-10 11:30:20,274 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe9cef6a/97fc32ac583240b28fb428369d653f19/FLAGcd961ee53 [2018-10-10 11:30:20,499 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 11:30:20,500 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_strcpy_original_false-valid-deref.i [2018-10-10 11:30:20,507 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe9cef6a/97fc32ac583240b28fb428369d653f19/FLAGcd961ee53 [2018-10-10 11:30:20,531 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe9cef6a/97fc32ac583240b28fb428369d653f19 [2018-10-10 11:30:20,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 11:30:20,548 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 11:30:20,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 11:30:20,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 11:30:20,560 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 11:30:20,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd3ad6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20, skipping insertion in model container [2018-10-10 11:30:20,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 11:30:20,608 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 11:30:20,777 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:30:20,783 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 11:30:20,806 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:30:20,830 INFO L193 MainTranslator]: Completed translation [2018-10-10 11:30:20,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20 WrapperNode [2018-10-10 11:30:20,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 11:30:20,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 11:30:20,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 11:30:20,832 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 11:30:20,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 11:30:20,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 11:30:20,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 11:30:20,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 11:30:20,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (1/1) ... [2018-10-10 11:30:20,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 11:30:20,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 11:30:20,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 11:30:20,916 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 11:30:20,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 11:30:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 11:30:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 11:30:21,729 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 11:30:21,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:30:21 BoogieIcfgContainer [2018-10-10 11:30:21,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 11:30:21,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 11:30:21,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 11:30:21,735 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 11:30:21,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 11:30:20" (1/3) ... [2018-10-10 11:30:21,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7698db3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:30:21, skipping insertion in model container [2018-10-10 11:30:21,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:20" (2/3) ... [2018-10-10 11:30:21,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7698db3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:30:21, skipping insertion in model container [2018-10-10 11:30:21,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:30:21" (3/3) ... [2018-10-10 11:30:21,739 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_strcpy_original_false-valid-deref.i [2018-10-10 11:30:21,749 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 11:30:21,758 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-10-10 11:30:21,776 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-10-10 11:30:21,801 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 11:30:21,802 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 11:30:21,802 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 11:30:21,802 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 11:30:21,802 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 11:30:21,802 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 11:30:21,802 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 11:30:21,802 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 11:30:21,803 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 11:30:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-10-10 11:30:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-10 11:30:21,827 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:30:21,828 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-10-10 11:30:21,831 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:30:21,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:30:21,837 INFO L82 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2018-10-10 11:30:21,841 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-10 11:30:21,841 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-10 11:30:21,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:30:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:30:21,921 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:30:21,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-10-10 11:30:21,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-10 11:30:21,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-10 11:30:22,034 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:30:22,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-10 11:30:22,048 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2018-10-10 11:30:22,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:30:22,095 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-10 11:30:22,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:30:22,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:30:22,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:30:22,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:30:22,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:30:22,125 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 4 states. [2018-10-10 11:30:22,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:30:22,618 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-10-10 11:30:22,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:30:22,620 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-10-10 11:30:22,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:30:22,630 INFO L225 Difference]: With dead ends: 39 [2018-10-10 11:30:22,631 INFO L226 Difference]: Without dead ends: 36 [2018-10-10 11:30:22,633 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:30:22,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-10-10 11:30:22,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2018-10-10 11:30:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-10-10 11:30:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-10-10 11:30:22,672 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 5 [2018-10-10 11:30:22,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:30:22,673 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-10-10 11:30:22,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:30:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-10-10 11:30:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-10 11:30:22,674 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:30:22,674 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-10 11:30:22,675 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:30:22,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:30:22,675 INFO L82 PathProgramCache]: Analyzing trace with hash 889537478, now seen corresponding path program 1 times [2018-10-10 11:30:22,676 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-10 11:30:22,676 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-10 11:30:22,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:30:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:30:22,735 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:30:22,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-10 11:30:22,829 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 11:30:22,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-10-10 11:30:22,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-10-10 11:30:22,905 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-10 11:30:22,919 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:30:22,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:30:22,942 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:24, output treesize:12 [2018-10-10 11:30:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:30:22,992 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-10 11:30:22,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:30:22,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:30:22,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:30:22,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:30:22,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:30:22,997 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 4 states. [2018-10-10 11:30:23,151 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-10 11:30:23,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:30:23,567 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-10-10 11:30:23,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:30:23,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-10-10 11:30:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:30:23,569 INFO L225 Difference]: With dead ends: 66 [2018-10-10 11:30:23,570 INFO L226 Difference]: Without dead ends: 66 [2018-10-10 11:30:23,571 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:30:23,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-10-10 11:30:23,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 51. [2018-10-10 11:30:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-10-10 11:30:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-10-10 11:30:23,579 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 6 [2018-10-10 11:30:23,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:30:23,579 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-10-10 11:30:23,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:30:23,580 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-10-10 11:30:23,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-10 11:30:23,580 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:30:23,580 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:30:23,581 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:30:23,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:30:23,582 INFO L82 PathProgramCache]: Analyzing trace with hash -441971574, now seen corresponding path program 1 times [2018-10-10 11:30:23,582 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-10 11:30:23,582 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-10 11:30:23,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:30:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:30:23,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:30:23,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 11:30:23,655 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 11:30:23,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:30:23,661 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 11:30:23,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:30:23,772 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-10 11:30:23,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:30:23,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:30:23,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:30:23,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:30:23,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:30:23,779 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 4 states. [2018-10-10 11:30:24,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:30:24,212 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2018-10-10 11:30:24,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:30:24,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-10-10 11:30:24,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:30:24,214 INFO L225 Difference]: With dead ends: 66 [2018-10-10 11:30:24,215 INFO L226 Difference]: Without dead ends: 66 [2018-10-10 11:30:24,215 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:30:24,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-10-10 11:30:24,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 50. [2018-10-10 11:30:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-10-10 11:30:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-10-10 11:30:24,222 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 10 [2018-10-10 11:30:24,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:30:24,222 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-10-10 11:30:24,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:30:24,222 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-10-10 11:30:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-10 11:30:24,223 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:30:24,224 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:30:24,224 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:30:24,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:30:24,225 INFO L82 PathProgramCache]: Analyzing trace with hash -816216851, now seen corresponding path program 1 times [2018-10-10 11:30:24,225 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-10 11:30:24,225 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-10 11:30:24,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:30:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:30:24,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:30:24,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 11:30:24,294 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 11:30:24,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:30:24,309 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-10-10 11:30:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:30:24,351 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-10 11:30:24,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:30:24,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:30:24,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:30:24,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:30:24,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:30:24,356 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 4 states. [2018-10-10 11:30:24,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:30:24,654 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2018-10-10 11:30:24,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 11:30:24,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-10-10 11:30:24,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:30:24,657 INFO L225 Difference]: With dead ends: 85 [2018-10-10 11:30:24,657 INFO L226 Difference]: Without dead ends: 85 [2018-10-10 11:30:24,657 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:30:24,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-10-10 11:30:24,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 52. [2018-10-10 11:30:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-10-10 11:30:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-10-10 11:30:24,664 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 11 [2018-10-10 11:30:24,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:30:24,664 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-10-10 11:30:24,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:30:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-10-10 11:30:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-10 11:30:24,665 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:30:24,665 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:30:24,666 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:30:24,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:30:24,667 INFO L82 PathProgramCache]: Analyzing trace with hash -656838406, now seen corresponding path program 1 times [2018-10-10 11:30:24,667 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-10 11:30:24,667 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-10 11:30:24,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:30:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:30:24,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:30:24,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-10 11:30:24,734 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 11:30:24,740 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:30:24,740 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 11:30:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:30:24,790 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-10 11:30:24,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:30:24,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 11:30:24,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 11:30:24,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 11:30:24,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 11:30:24,795 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 4 states. [2018-10-10 11:30:24,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:30:24,946 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-10-10 11:30:24,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 11:30:24,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-10-10 11:30:24,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:30:24,949 INFO L225 Difference]: With dead ends: 51 [2018-10-10 11:30:24,950 INFO L226 Difference]: Without dead ends: 51 [2018-10-10 11:30:24,950 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 11:30:24,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-10-10 11:30:24,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-10-10 11:30:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-10-10 11:30:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-10-10 11:30:24,955 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 14 [2018-10-10 11:30:24,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:30:24,956 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-10-10 11:30:24,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 11:30:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-10-10 11:30:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-10 11:30:24,957 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:30:24,957 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 11:30:24,957 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:30:24,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:30:24,958 INFO L82 PathProgramCache]: Analyzing trace with hash -871090319, now seen corresponding path program 1 times [2018-10-10 11:30:24,958 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-10 11:30:24,958 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-10 11:30:24,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:30:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:30:25,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:30:25,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-10 11:30:25,088 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 11:30:25,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-10-10 11:30:25,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-10-10 11:30:25,171 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-10 11:30:25,182 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:30:25,209 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 11:30:25,209 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:24, output treesize:12 [2018-10-10 11:30:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:30:25,347 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-10 11:30:26,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:30:26,096 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 11:30:26,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2018-10-10 11:30:26,126 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: cannot bring into simultaneous update form ULTIMATE.start_main_~#src~0.base's outvar occurs in several conjuncts [(= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| |v_ULTIMATE.start_#Ultimate.alloc_~size_1|) |v_#length_1|), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| (_ bv0 32)), (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#src~0.base_3|) (_ bv0 1)), (not (= (_ bv0 32) |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| (store |v_#valid_8| |v_ULTIMATE.start_main_~#src~0.base_3| (_ bv1 1))), (= |v_ULTIMATE.start_main_~#src~0.offset_3| (_ bv0 32)), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| (_ bv400000 32)), (= |v_ULTIMATE.start_main_~#dst~0.offset_3| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (= |v_ULTIMATE.start_main_~#dst~0.base_3| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (= (store |v_#length_3| |v_ULTIMATE.start_main_~#src~0.base_3| (_ bv400000 32)) |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1|), (= v_ULTIMATE.start_main_~i~0_1 (_ bv0 32)), (= (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|) (_ bv0 1)), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| (_ bv1 1)) |v_#valid_6|), (not (= |v_ULTIMATE.start_main_~#src~0.base_3| (_ bv0 32))), (= |v_ULTIMATE.start_main_old_#valid_1| |v_#valid_8|)] at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.addStatementsAndVariables(PathProgramDumper.java:634) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructTransitionStatements(PathProgramDumper.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.processTransition(PathProgramDumper.java:521) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructProcedureStatements(PathProgramDumper.java:489) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.constructNewImplementation(PathProgramDumper.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumper.(PathProgramDumper.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumpController.doDump(PathProgramDumpController.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramDumpController.reportPathProgram(PathProgramDumpController.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-10 11:30:26,130 INFO L168 Benchmark]: Toolchain (without parser) took 5582.63 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -563.1 MB). Peak memory consumption was 192.4 MB. Max. memory is 7.1 GB. [2018-10-10 11:30:26,131 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:30:26,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.56 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-10 11:30:26,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.58 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:30:26,133 INFO L168 Benchmark]: Boogie Preprocessor took 34.05 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:30:26,134 INFO L168 Benchmark]: RCFGBuilder took 814.13 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -779.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2018-10-10 11:30:26,135 INFO L168 Benchmark]: TraceAbstraction took 4398.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 205.5 MB). Peak memory consumption was 205.5 MB. Max. memory is 7.1 GB. [2018-10-10 11:30:26,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.56 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.58 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.05 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 814.13 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -779.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4398.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 205.5 MB). Peak memory consumption was 205.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form ULTIMATE.start_main_~#src~0.base's outvar occurs in several conjuncts [(= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| |v_ULTIMATE.start_#Ultimate.alloc_~size_1|) |v_#length_1|), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| (_ bv0 32)), (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#src~0.base_3|) (_ bv0 1)), (not (= (_ bv0 32) |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| (store |v_#valid_8| |v_ULTIMATE.start_main_~#src~0.base_3| (_ bv1 1))), (= |v_ULTIMATE.start_main_~#src~0.offset_3| (_ bv0 32)), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| (_ bv400000 32)), (= |v_ULTIMATE.start_main_~#dst~0.offset_3| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (= |v_ULTIMATE.start_main_~#dst~0.base_3| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (= (store |v_#length_3| |v_ULTIMATE.start_main_~#src~0.base_3| (_ bv400000 32)) |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1|), (= v_ULTIMATE.start_main_~i~0_1 (_ bv0 32)), (= (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|) (_ bv0 1)), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| (_ bv1 1)) |v_#valid_6|), (not (= |v_ULTIMATE.start_main_~#src~0.base_3| (_ bv0 32))), (= |v_ULTIMATE.start_main_old_#valid_1| |v_#valid_8|)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form ULTIMATE.start_main_~#src~0.base's outvar occurs in several conjuncts [(= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| |v_ULTIMATE.start_#Ultimate.alloc_~size_1|) |v_#length_1|), (= |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1| (_ bv0 32)), (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#src~0.base_3|) (_ bv0 1)), (not (= (_ bv0 32) |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|)), (= |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| (store |v_#valid_8| |v_ULTIMATE.start_main_~#src~0.base_3| (_ bv1 1))), (= |v_ULTIMATE.start_main_~#src~0.offset_3| (_ bv0 32)), (= |v_ULTIMATE.start_#Ultimate.alloc_~size_1| (_ bv400000 32)), (= |v_ULTIMATE.start_main_~#dst~0.offset_3| |v_ULTIMATE.start_#Ultimate.alloc_#res.offset_1|), (= |v_ULTIMATE.start_main_~#dst~0.base_3| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|), (= (store |v_#length_3| |v_ULTIMATE.start_main_~#src~0.base_3| (_ bv400000 32)) |v_ULTIMATE.start_#Ultimate.alloc_old_#length_1|), (= v_ULTIMATE.start_main_~i~0_1 (_ bv0 32)), (= (select |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1|) (_ bv0 1)), (= (store |v_ULTIMATE.start_#Ultimate.alloc_old_#valid_1| |v_ULTIMATE.start_#Ultimate.alloc_#res.base_1| (_ bv1 1)) |v_#valid_6|), (not (= |v_ULTIMATE.start_main_~#src~0.base_3| (_ bv0 32))), (= |v_ULTIMATE.start_main_old_#valid_1| |v_#valid_8|)]: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:107) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...