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 --rcfgbuilder.size.of.a.code.block SingleStatement --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-3_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:54:09,083 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:54:09,086 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:54:09,104 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:54:09,105 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:54:09,106 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:54:09,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:54:09,112 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:54:09,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:54:09,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:54:09,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:54:09,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:54:09,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:54:09,124 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:54:09,132 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:54:09,133 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:54:09,135 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:54:09,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:54:09,139 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:54:09,140 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:54:09,144 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:54:09,145 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:54:09,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 14:54:09,148 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 14:54:09,148 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 14:54:09,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 14:54:09,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 14:54:09,155 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 14:54:09,156 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 14:54:09,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 14:54:09,159 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 14:54:09,161 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 14:54:09,161 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 14:54:09,162 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 14:54:09,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 14:54:09,163 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 14:54:09,163 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-10-10 14:54:09,193 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:54:09,194 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:54:09,197 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:54:09,197 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:54:09,197 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:54:09,198 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:54:09,199 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:54:09,199 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:54:09,199 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:54:09,199 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:54:09,199 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:54:09,200 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:54:09,200 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:54:09,200 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:54:09,200 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:54:09,200 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:54:09,201 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:54:09,202 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:54:09,202 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:54:09,202 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:54:09,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:54:09,203 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:54:09,203 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:54:09,203 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:54:09,204 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:54:09,204 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Dump automata to the following directory -> dump Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-10-10 14:54:09,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:54:09,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:54:09,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:54:09,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:54:09,297 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:54:09,298 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-3_false-valid-deref.i [2018-10-10 14:54:09,631 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db8bf3c22/68fee928994449ce93af6c23d99fd0f4/FLAG24bc3cc30 [2018-10-10 14:54:09,878 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:54:09,879 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-3_false-valid-deref.i [2018-10-10 14:54:09,891 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db8bf3c22/68fee928994449ce93af6c23d99fd0f4/FLAG24bc3cc30 [2018-10-10 14:54:09,912 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db8bf3c22/68fee928994449ce93af6c23d99fd0f4 [2018-10-10 14:54:09,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:54:09,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:54:09,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:54:09,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:54:09,929 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:54:09,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:54:09" (1/1) ... [2018-10-10 14:54:09,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2819edd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:09, skipping insertion in model container [2018-10-10 14:54:09,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:54:09" (1/1) ... [2018-10-10 14:54:09,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:54:09,971 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:54:10,157 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:54:10,189 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:54:10,214 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:54:10,235 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:54:10,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10 WrapperNode [2018-10-10 14:54:10,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:54:10,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:54:10,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:54:10,237 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:54:10,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (1/1) ... [2018-10-10 14:54:10,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (1/1) ... [2018-10-10 14:54:10,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:54:10,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:54:10,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:54:10,324 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:54:10,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (1/1) ... [2018-10-10 14:54:10,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (1/1) ... [2018-10-10 14:54:10,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (1/1) ... [2018-10-10 14:54:10,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (1/1) ... [2018-10-10 14:54:10,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (1/1) ... [2018-10-10 14:54:10,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (1/1) ... [2018-10-10 14:54:10,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (1/1) ... [2018-10-10 14:54:10,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:54:10,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:54:10,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:54:10,401 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:54:10,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (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 14:54:10,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:54:10,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:54:11,951 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:54:11,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:54:11 BoogieIcfgContainer [2018-10-10 14:54:11,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:54:11,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:54:11,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:54:11,957 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:54:11,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:54:09" (1/3) ... [2018-10-10 14:54:11,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f66392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:54:11, skipping insertion in model container [2018-10-10 14:54:11,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:54:10" (2/3) ... [2018-10-10 14:54:11,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f66392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:54:11, skipping insertion in model container [2018-10-10 14:54:11,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:54:11" (3/3) ... [2018-10-10 14:54:11,961 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-3_false-valid-deref.i [2018-10-10 14:54:11,972 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:54:11,981 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 47 error locations. [2018-10-10 14:54:11,998 INFO L257 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2018-10-10 14:54:12,026 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:54:12,027 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:54:12,028 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:54:12,028 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:54:12,028 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:54:12,029 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:54:12,029 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:54:12,029 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:54:12,029 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:54:12,059 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states. [2018-10-10 14:54:12,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-10 14:54:12,071 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:12,072 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:12,076 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:12,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:12,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1373708358, now seen corresponding path program 1 times [2018-10-10 14:54:12,084 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:12,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:12,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:12,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:12,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:12,490 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 14:54:12,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:54:12,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:54:12,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:54:12,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:54:12,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:54:12,521 INFO L87 Difference]: Start difference. First operand 367 states. Second operand 6 states. [2018-10-10 14:54:14,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:14,549 INFO L93 Difference]: Finished difference Result 570 states and 589 transitions. [2018-10-10 14:54:14,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 14:54:14,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-10-10 14:54:14,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:14,573 INFO L225 Difference]: With dead ends: 570 [2018-10-10 14:54:14,573 INFO L226 Difference]: Without dead ends: 565 [2018-10-10 14:54:14,575 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:54:14,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-10-10 14:54:14,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 497. [2018-10-10 14:54:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-10-10 14:54:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 544 transitions. [2018-10-10 14:54:14,649 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 544 transitions. Word has length 79 [2018-10-10 14:54:14,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:14,649 INFO L481 AbstractCegarLoop]: Abstraction has 497 states and 544 transitions. [2018-10-10 14:54:14,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:54:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 544 transitions. [2018-10-10 14:54:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-10 14:54:14,652 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:14,653 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:14,655 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:14,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:14,655 INFO L82 PathProgramCache]: Analyzing trace with hash -364713750, now seen corresponding path program 1 times [2018-10-10 14:54:14,655 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:14,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:14,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:14,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:14,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:14,931 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 14:54:14,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:54:14,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 14:54:14,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 14:54:14,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 14:54:14,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:54:14,934 INFO L87 Difference]: Start difference. First operand 497 states and 544 transitions. Second operand 7 states. [2018-10-10 14:54:15,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:15,737 INFO L93 Difference]: Finished difference Result 564 states and 583 transitions. [2018-10-10 14:54:15,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:54:15,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2018-10-10 14:54:15,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:15,742 INFO L225 Difference]: With dead ends: 564 [2018-10-10 14:54:15,742 INFO L226 Difference]: Without dead ends: 564 [2018-10-10 14:54:15,743 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:54:15,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-10-10 14:54:15,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 496. [2018-10-10 14:54:15,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-10-10 14:54:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 543 transitions. [2018-10-10 14:54:15,773 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 543 transitions. Word has length 80 [2018-10-10 14:54:15,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:15,774 INFO L481 AbstractCegarLoop]: Abstraction has 496 states and 543 transitions. [2018-10-10 14:54:15,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 14:54:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 543 transitions. [2018-10-10 14:54:15,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-10 14:54:15,777 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:15,777 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:15,781 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:15,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:15,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1578775752, now seen corresponding path program 1 times [2018-10-10 14:54:15,782 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:15,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:15,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:15,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:15,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:15,985 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 14:54:15,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:54:15,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:54:15,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:54:15,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:54:15,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:54:15,987 INFO L87 Difference]: Start difference. First operand 496 states and 543 transitions. Second operand 8 states. [2018-10-10 14:54:16,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:16,708 INFO L93 Difference]: Finished difference Result 484 states and 521 transitions. [2018-10-10 14:54:16,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:54:16,709 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2018-10-10 14:54:16,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:16,712 INFO L225 Difference]: With dead ends: 484 [2018-10-10 14:54:16,712 INFO L226 Difference]: Without dead ends: 484 [2018-10-10 14:54:16,713 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:54:16,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-10-10 14:54:16,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2018-10-10 14:54:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-10-10 14:54:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 521 transitions. [2018-10-10 14:54:16,728 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 521 transitions. Word has length 81 [2018-10-10 14:54:16,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:16,728 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 521 transitions. [2018-10-10 14:54:16,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:54:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 521 transitions. [2018-10-10 14:54:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-10 14:54:16,730 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:16,730 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:16,732 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:16,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:16,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1697408172, now seen corresponding path program 1 times [2018-10-10 14:54:16,733 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:16,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:16,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:16,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:16,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:17,097 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 14:54:17,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:54:17,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-10 14:54:17,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 14:54:17,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 14:54:17,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:54:17,099 INFO L87 Difference]: Start difference. First operand 484 states and 521 transitions. Second operand 11 states. [2018-10-10 14:54:18,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:18,278 INFO L93 Difference]: Finished difference Result 541 states and 560 transitions. [2018-10-10 14:54:18,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-10 14:54:18,283 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2018-10-10 14:54:18,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:18,286 INFO L225 Difference]: With dead ends: 541 [2018-10-10 14:54:18,286 INFO L226 Difference]: Without dead ends: 541 [2018-10-10 14:54:18,287 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2018-10-10 14:54:18,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-10-10 14:54:18,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 483. [2018-10-10 14:54:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-10-10 14:54:18,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 520 transitions. [2018-10-10 14:54:18,297 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 520 transitions. Word has length 82 [2018-10-10 14:54:18,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:18,298 INFO L481 AbstractCegarLoop]: Abstraction has 483 states and 520 transitions. [2018-10-10 14:54:18,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 14:54:18,298 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 520 transitions. [2018-10-10 14:54:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-10 14:54:18,300 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:18,300 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:18,301 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:18,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:18,302 INFO L82 PathProgramCache]: Analyzing trace with hash -438804494, now seen corresponding path program 1 times [2018-10-10 14:54:18,302 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:18,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:18,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:18,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:18,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:18,399 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 14:54:18,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:54:18,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:54:18,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 14:54:18,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 14:54:18,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 14:54:18,401 INFO L87 Difference]: Start difference. First operand 483 states and 520 transitions. Second operand 5 states. [2018-10-10 14:54:19,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:19,086 INFO L93 Difference]: Finished difference Result 554 states and 573 transitions. [2018-10-10 14:54:19,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 14:54:19,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2018-10-10 14:54:19,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:19,090 INFO L225 Difference]: With dead ends: 554 [2018-10-10 14:54:19,090 INFO L226 Difference]: Without dead ends: 554 [2018-10-10 14:54:19,091 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:54:19,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-10-10 14:54:19,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 482. [2018-10-10 14:54:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-10-10 14:54:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 510 transitions. [2018-10-10 14:54:19,102 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 510 transitions. Word has length 97 [2018-10-10 14:54:19,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:19,103 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 510 transitions. [2018-10-10 14:54:19,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 14:54:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 510 transitions. [2018-10-10 14:54:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-10 14:54:19,105 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:19,106 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:19,107 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:19,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:19,108 INFO L82 PathProgramCache]: Analyzing trace with hash -718037284, now seen corresponding path program 1 times [2018-10-10 14:54:19,108 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:19,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:19,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:19,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:19,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:19,206 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 14:54:19,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:54:19,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:54:19,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 14:54:19,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 14:54:19,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 14:54:19,208 INFO L87 Difference]: Start difference. First operand 482 states and 510 transitions. Second operand 4 states. [2018-10-10 14:54:19,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:19,239 INFO L93 Difference]: Finished difference Result 485 states and 513 transitions. [2018-10-10 14:54:19,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 14:54:19,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-10-10 14:54:19,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:19,245 INFO L225 Difference]: With dead ends: 485 [2018-10-10 14:54:19,245 INFO L226 Difference]: Without dead ends: 485 [2018-10-10 14:54:19,245 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 14:54:19,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-10-10 14:54:19,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2018-10-10 14:54:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-10-10 14:54:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 511 transitions. [2018-10-10 14:54:19,255 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 511 transitions. Word has length 98 [2018-10-10 14:54:19,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:19,256 INFO L481 AbstractCegarLoop]: Abstraction has 483 states and 511 transitions. [2018-10-10 14:54:19,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 14:54:19,256 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 511 transitions. [2018-10-10 14:54:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-10 14:54:19,257 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:19,258 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:19,259 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:19,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:19,260 INFO L82 PathProgramCache]: Analyzing trace with hash -2001252300, now seen corresponding path program 1 times [2018-10-10 14:54:19,260 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:19,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:19,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:19,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:19,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:54:19,409 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:54:19,409 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:54:19,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:19,479 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:54:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:54:19,660 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:54:19,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-10-10 14:54:19,723 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/test-bitfields-3_false-valid-deref.i_7.bpl [2018-10-10 14:54:19,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 14:54:19,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 14:54:19,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:54:19,728 INFO L87 Difference]: Start difference. First operand 483 states and 511 transitions. Second operand 7 states. [2018-10-10 14:54:19,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:19,811 INFO L93 Difference]: Finished difference Result 488 states and 516 transitions. [2018-10-10 14:54:19,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 14:54:19,818 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2018-10-10 14:54:19,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:19,828 INFO L225 Difference]: With dead ends: 488 [2018-10-10 14:54:19,828 INFO L226 Difference]: Without dead ends: 488 [2018-10-10 14:54:19,829 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:54:19,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-10-10 14:54:19,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 486. [2018-10-10 14:54:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-10-10 14:54:19,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 514 transitions. [2018-10-10 14:54:19,848 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 514 transitions. Word has length 101 [2018-10-10 14:54:19,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:19,849 INFO L481 AbstractCegarLoop]: Abstraction has 486 states and 514 transitions. [2018-10-10 14:54:19,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 14:54:19,849 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 514 transitions. [2018-10-10 14:54:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-10 14:54:19,850 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:19,850 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:19,852 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:19,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:19,856 INFO L82 PathProgramCache]: Analyzing trace with hash -755892260, now seen corresponding path program 2 times [2018-10-10 14:54:19,856 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:19,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:19,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:19,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:19,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:54:20,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:54:20,296 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:54:20,312 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-10 14:54:20,361 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-10-10 14:54:20,361 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-10 14:54:20,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:54:20,711 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 14:54:20,713 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:54:20,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:54:20,808 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-10-10 14:54:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-10 14:54:21,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-10 14:54:21,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2018-10-10 14:54:21,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 14:54:21,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 14:54:21,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:54:21,525 INFO L87 Difference]: Start difference. First operand 486 states and 514 transitions. Second operand 12 states. [2018-10-10 14:54:22,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:22,820 INFO L93 Difference]: Finished difference Result 490 states and 518 transitions. [2018-10-10 14:54:22,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-10 14:54:22,820 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 104 [2018-10-10 14:54:22,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:22,825 INFO L225 Difference]: With dead ends: 490 [2018-10-10 14:54:22,825 INFO L226 Difference]: Without dead ends: 490 [2018-10-10 14:54:22,826 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2018-10-10 14:54:22,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-10-10 14:54:22,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 488. [2018-10-10 14:54:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-10-10 14:54:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 516 transitions. [2018-10-10 14:54:22,835 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 516 transitions. Word has length 104 [2018-10-10 14:54:22,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:22,835 INFO L481 AbstractCegarLoop]: Abstraction has 488 states and 516 transitions. [2018-10-10 14:54:22,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 14:54:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 516 transitions. [2018-10-10 14:54:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-10 14:54:22,837 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:22,837 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:22,838 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:22,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:22,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1016452731, now seen corresponding path program 1 times [2018-10-10 14:54:22,839 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:22,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:22,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:22,840 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-10 14:54:22,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:54:22,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:54:22,940 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:54:22,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:23,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:54:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:54:23,158 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:54:23,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-10-10 14:54:23,182 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/test-bitfields-3_false-valid-deref.i_9.bpl [2018-10-10 14:54:23,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 14:54:23,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 14:54:23,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:54:23,184 INFO L87 Difference]: Start difference. First operand 488 states and 516 transitions. Second operand 11 states. [2018-10-10 14:54:23,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:23,289 INFO L93 Difference]: Finished difference Result 493 states and 521 transitions. [2018-10-10 14:54:23,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-10 14:54:23,292 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 119 [2018-10-10 14:54:23,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:23,294 INFO L225 Difference]: With dead ends: 493 [2018-10-10 14:54:23,295 INFO L226 Difference]: Without dead ends: 493 [2018-10-10 14:54:23,295 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:54:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-10-10 14:54:23,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 491. [2018-10-10 14:54:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2018-10-10 14:54:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 519 transitions. [2018-10-10 14:54:23,304 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 519 transitions. Word has length 119 [2018-10-10 14:54:23,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:23,304 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 519 transitions. [2018-10-10 14:54:23,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 14:54:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 519 transitions. [2018-10-10 14:54:23,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-10 14:54:23,305 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:23,306 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:23,307 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:23,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:23,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1661801437, now seen corresponding path program 2 times [2018-10-10 14:54:23,307 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:23,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:23,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:23,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:23,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:54:23,512 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:54:23,512 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:54:23,520 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-10 14:54:23,565 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-10-10 14:54:23,565 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-10 14:54:23,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:54:23,763 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 14:54:23,763 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:54:23,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:54:23,771 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-10-10 14:54:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-10 14:54:24,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-10 14:54:24,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2018-10-10 14:54:24,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-10 14:54:24,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-10 14:54:24,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:54:24,028 INFO L87 Difference]: Start difference. First operand 491 states and 519 transitions. Second operand 14 states. [2018-10-10 14:54:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:25,030 INFO L93 Difference]: Finished difference Result 495 states and 522 transitions. [2018-10-10 14:54:25,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-10 14:54:25,031 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 122 [2018-10-10 14:54:25,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:25,034 INFO L225 Difference]: With dead ends: 495 [2018-10-10 14:54:25,034 INFO L226 Difference]: Without dead ends: 495 [2018-10-10 14:54:25,034 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2018-10-10 14:54:25,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-10-10 14:54:25,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 493. [2018-10-10 14:54:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-10-10 14:54:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 520 transitions. [2018-10-10 14:54:25,043 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 520 transitions. Word has length 122 [2018-10-10 14:54:25,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:25,043 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 520 transitions. [2018-10-10 14:54:25,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-10 14:54:25,043 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 520 transitions. [2018-10-10 14:54:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-10 14:54:25,045 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:25,045 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:25,046 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:25,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:25,047 INFO L82 PathProgramCache]: Analyzing trace with hash 477809708, now seen corresponding path program 1 times [2018-10-10 14:54:25,047 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:25,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:25,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:25,048 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-10 14:54:25,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:25,956 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:54:25,956 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:54:25,956 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:54:25,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:26,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:54:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:54:26,184 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:54:26,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-10-10 14:54:26,208 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/test-bitfields-3_false-valid-deref.i_11.bpl [2018-10-10 14:54:26,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-10 14:54:26,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-10 14:54:26,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=120, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:54:26,210 INFO L87 Difference]: Start difference. First operand 493 states and 520 transitions. Second operand 15 states. [2018-10-10 14:54:26,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:54:26,312 INFO L93 Difference]: Finished difference Result 498 states and 525 transitions. [2018-10-10 14:54:26,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:54:26,312 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 132 [2018-10-10 14:54:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:54:26,315 INFO L225 Difference]: With dead ends: 498 [2018-10-10 14:54:26,315 INFO L226 Difference]: Without dead ends: 498 [2018-10-10 14:54:26,315 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=90, Invalid=120, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:54:26,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2018-10-10 14:54:26,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 496. [2018-10-10 14:54:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-10-10 14:54:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 523 transitions. [2018-10-10 14:54:26,324 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 523 transitions. Word has length 132 [2018-10-10 14:54:26,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:54:26,324 INFO L481 AbstractCegarLoop]: Abstraction has 496 states and 523 transitions. [2018-10-10 14:54:26,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-10 14:54:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 523 transitions. [2018-10-10 14:54:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-10 14:54:26,326 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:54:26,326 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:54:26,328 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE]=== [2018-10-10 14:54:26,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:54:26,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1716791172, now seen corresponding path program 2 times [2018-10-10 14:54:26,328 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:54:26,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:54:26,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:26,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:54:26,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:54:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:54:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:54:26,861 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:54:26,861 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:54:26,872 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-10 14:54:26,917 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-10 14:54:26,917 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-10 14:54:26,921 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:54:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:54:27,170 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:54:27,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-10-10 14:54:27,171 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-10 14:54:27,177 WARN L205 ceAbstractionStarter]: Timeout [2018-10-10 14:54:27,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 02:54:27 BoogieIcfgContainer [2018-10-10 14:54:27,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 14:54:27,178 INFO L168 Benchmark]: Toolchain (without parser) took 17255.76 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 888.7 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -229.4 MB). Peak memory consumption was 659.2 MB. Max. memory is 7.1 GB. [2018-10-10 14:54:27,180 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:54:27,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 14:54:27,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:54:27,182 INFO L168 Benchmark]: Boogie Preprocessor took 77.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:54:27,182 INFO L168 Benchmark]: RCFGBuilder took 1551.30 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 726.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -714.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2018-10-10 14:54:27,183 INFO L168 Benchmark]: TraceAbstraction took 15223.95 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 162.0 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 474.8 MB). Peak memory consumption was 636.8 MB. Max. memory is 7.1 GB. [2018-10-10 14:54:27,188 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 312.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 86.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1551.30 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 726.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -714.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15223.95 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 162.0 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 474.8 MB). Peak memory consumption was 636.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 55). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 72). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 37]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 37). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 52). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 61). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 46). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 64). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 49). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 43). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 67). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 58). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 55). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 70). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 72). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 52). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 64). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 49). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 61). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 46). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 67). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 43). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 70). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 58). Cancelled while PathProgramDumpController was trying to verify (iteration 12). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 367 locations, 47 error locations. TIMEOUT Result, 15.1s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 8.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3200 SDtfs, 13258 SDslu, 10382 SDs, 0 SdLazy, 3419 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 690 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=497occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 278 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1673 NumberOfCodeBlocks, 1655 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1657 ConstructedInterpolants, 0 QuantifiedInterpolants, 439197 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1112 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 27/150 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Received shutdown request...