/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 12:55:36,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 12:55:36,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 12:55:36,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 12:55:36,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 12:55:36,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 12:55:36,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 12:55:36,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 12:55:36,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 12:55:36,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 12:55:36,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 12:55:36,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 12:55:36,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 12:55:36,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 12:55:36,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 12:55:36,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 12:55:36,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 12:55:36,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 12:55:36,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 12:55:36,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 12:55:36,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 12:55:36,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 12:55:36,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 12:55:36,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 12:55:36,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 12:55:36,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 12:55:36,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 12:55:36,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 12:55:36,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 12:55:36,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 12:55:36,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 12:55:36,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 12:55:36,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 12:55:36,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 12:55:36,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 12:55:36,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 12:55:36,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 12:55:36,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 12:55:36,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 12:55:36,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 12:55:36,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 12:55:36,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-09 12:55:36,961 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 12:55:36,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 12:55:36,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 12:55:36,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 12:55:36,964 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 12:55:36,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 12:55:36,965 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 12:55:36,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 12:55:36,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 12:55:36,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 12:55:36,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 12:55:36,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 12:55:36,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 12:55:36,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 12:55:36,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 12:55:36,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 12:55:36,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 12:55:36,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 12:55:36,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 12:55:36,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 12:55:36,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 12:55:36,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 12:55:36,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 12:55:36,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 12:55:36,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 12:55:36,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 12:55:36,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 12:55:36,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 12:55:36,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 12:55:36,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 12:55:37,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 12:55:37,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 12:55:37,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 12:55:37,382 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 12:55:37,383 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 12:55:37,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2020-11-09 12:55:37,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46ffdc2d/0d1f7b9b62ed45b8bd11d060777d49d3/FLAGb371d900f [2020-11-09 12:55:38,208 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 12:55:38,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2020-11-09 12:55:38,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46ffdc2d/0d1f7b9b62ed45b8bd11d060777d49d3/FLAGb371d900f [2020-11-09 12:55:38,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46ffdc2d/0d1f7b9b62ed45b8bd11d060777d49d3 [2020-11-09 12:55:38,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 12:55:38,440 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 12:55:38,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 12:55:38,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 12:55:38,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 12:55:38,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6ee994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:38, skipping insertion in model container [2020-11-09 12:55:38,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:38" (1/1) ... [2020-11-09 12:55:38,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 12:55:38,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 12:55:38,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:55:38,923 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 12:55:38,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:55:39,141 INFO L208 MainTranslator]: Completed translation [2020-11-09 12:55:39,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39 WrapperNode [2020-11-09 12:55:39,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 12:55:39,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 12:55:39,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 12:55:39,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 12:55:39,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (1/1) ... [2020-11-09 12:55:39,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (1/1) ... [2020-11-09 12:55:39,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 12:55:39,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 12:55:39,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 12:55:39,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 12:55:39,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (1/1) ... [2020-11-09 12:55:39,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (1/1) ... [2020-11-09 12:55:39,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (1/1) ... [2020-11-09 12:55:39,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (1/1) ... [2020-11-09 12:55:39,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (1/1) ... [2020-11-09 12:55:39,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (1/1) ... [2020-11-09 12:55:39,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (1/1) ... [2020-11-09 12:55:39,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 12:55:39,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 12:55:39,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 12:55:39,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 12:55:39,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (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 [2020-11-09 12:55:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 12:55:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 12:55:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 12:55:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 12:55:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 12:55:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 12:55:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 12:55:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 12:55:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-09 12:55:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-09 12:55:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-09 12:55:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-09 12:55:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 12:55:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 12:55:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 12:55:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 12:55:39,394 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 12:55:40,053 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 12:55:40,053 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 12:55:40,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:40 BoogieIcfgContainer [2020-11-09 12:55:40,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 12:55:40,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 12:55:40,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 12:55:40,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 12:55:40,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:55:38" (1/3) ... [2020-11-09 12:55:40,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b312fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:55:40, skipping insertion in model container [2020-11-09 12:55:40,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:39" (2/3) ... [2020-11-09 12:55:40,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b312fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:55:40, skipping insertion in model container [2020-11-09 12:55:40,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:40" (3/3) ... [2020-11-09 12:55:40,069 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.opt.i [2020-11-09 12:55:40,088 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 12:55:40,088 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 12:55:40,093 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 12:55:40,094 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 12:55:40,154 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,155 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,155 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,155 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,156 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,156 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,156 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,156 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,157 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,157 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,158 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,158 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,159 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,159 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,160 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,160 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,163 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,164 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,164 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,164 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,167 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,167 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,167 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,167 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,171 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,172 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,180 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,180 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,192 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,192 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,198 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,198 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,199 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,199 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:55:40,202 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:55:40,216 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 12:55:40,252 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:55:40,252 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:55:40,252 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:55:40,253 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:55:40,253 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:55:40,253 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:55:40,253 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:55:40,253 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:55:40,269 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:55:40,272 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 12:55:40,275 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 12:55:40,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 95 transitions, 210 flow [2020-11-09 12:55:40,332 INFO L129 PetriNetUnfolder]: 3/91 cut-off events. [2020-11-09 12:55:40,332 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 12:55:40,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-11-09 12:55:40,341 INFO L116 LiptonReduction]: Number of co-enabled transitions 2256 [2020-11-09 12:55:43,696 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-09 12:55:44,578 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 12:55:44,720 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 12:55:45,018 WARN L194 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 12:55:45,160 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 12:55:45,232 INFO L131 LiptonReduction]: Checked pairs total: 4418 [2020-11-09 12:55:45,233 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-11-09 12:55:45,246 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-11-09 12:55:45,341 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-11-09 12:55:45,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-11-09 12:55:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 12:55:45,354 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:45,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:45,356 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:45,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:45,362 INFO L82 PathProgramCache]: Analyzing trace with hash 481695671, now seen corresponding path program 1 times [2020-11-09 12:55:45,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:45,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832623970] [2020-11-09 12:55:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:45,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832623970] [2020-11-09 12:55:45,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:45,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:55:45,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450554911] [2020-11-09 12:55:45,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 12:55:45,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:45,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 12:55:45,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 12:55:45,596 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-11-09 12:55:45,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:45,667 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-11-09 12:55:45,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 12:55:45,669 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-09 12:55:45,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:45,712 INFO L225 Difference]: With dead ends: 1450 [2020-11-09 12:55:45,712 INFO L226 Difference]: Without dead ends: 1194 [2020-11-09 12:55:45,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 12:55:45,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-11-09 12:55:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-11-09 12:55:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-11-09 12:55:45,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-11-09 12:55:45,918 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-11-09 12:55:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:45,919 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-11-09 12:55:45,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 12:55:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-11-09 12:55:45,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 12:55:45,931 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:45,931 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:45,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 12:55:45,932 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:45,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:45,937 INFO L82 PathProgramCache]: Analyzing trace with hash 2047662136, now seen corresponding path program 1 times [2020-11-09 12:55:45,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:45,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615905835] [2020-11-09 12:55:45,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:46,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615905835] [2020-11-09 12:55:46,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:46,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:55:46,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215525918] [2020-11-09 12:55:46,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:55:46,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:46,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:55:46,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:55:46,129 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-11-09 12:55:46,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:46,211 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-11-09 12:55:46,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:55:46,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-09 12:55:46,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:46,223 INFO L225 Difference]: With dead ends: 1322 [2020-11-09 12:55:46,223 INFO L226 Difference]: Without dead ends: 1066 [2020-11-09 12:55:46,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:46,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-11-09 12:55:46,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-11-09 12:55:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-11-09 12:55:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-11-09 12:55:46,274 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-11-09 12:55:46,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:46,275 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-11-09 12:55:46,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:55:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-11-09 12:55:46,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 12:55:46,277 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:46,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:46,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 12:55:46,278 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:46,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:46,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1638119967, now seen corresponding path program 1 times [2020-11-09 12:55:46,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:46,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124829203] [2020-11-09 12:55:46,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:46,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124829203] [2020-11-09 12:55:46,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:46,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:55:46,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825084481] [2020-11-09 12:55:46,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:55:46,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:46,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:55:46,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:55:46,442 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 4 states. [2020-11-09 12:55:46,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:46,489 INFO L93 Difference]: Finished difference Result 1162 states and 4016 transitions. [2020-11-09 12:55:46,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:55:46,490 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 12:55:46,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:46,500 INFO L225 Difference]: With dead ends: 1162 [2020-11-09 12:55:46,500 INFO L226 Difference]: Without dead ends: 970 [2020-11-09 12:55:46,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:46,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-11-09 12:55:46,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2020-11-09 12:55:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-11-09 12:55:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 3408 transitions. [2020-11-09 12:55:46,581 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 3408 transitions. Word has length 12 [2020-11-09 12:55:46,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:46,581 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 3408 transitions. [2020-11-09 12:55:46,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:55:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3408 transitions. [2020-11-09 12:55:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 12:55:46,586 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:46,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:46,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 12:55:46,588 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:46,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:46,591 INFO L82 PathProgramCache]: Analyzing trace with hash 757850280, now seen corresponding path program 1 times [2020-11-09 12:55:46,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:46,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155625226] [2020-11-09 12:55:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:46,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155625226] [2020-11-09 12:55:46,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:46,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:55:46,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933509268] [2020-11-09 12:55:46,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:55:46,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:46,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:55:46,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:55:46,736 INFO L87 Difference]: Start difference. First operand 970 states and 3408 transitions. Second operand 4 states. [2020-11-09 12:55:46,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:46,772 INFO L93 Difference]: Finished difference Result 1042 states and 3558 transitions. [2020-11-09 12:55:46,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:55:46,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-09 12:55:46,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:46,783 INFO L225 Difference]: With dead ends: 1042 [2020-11-09 12:55:46,784 INFO L226 Difference]: Without dead ends: 898 [2020-11-09 12:55:46,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:46,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-11-09 12:55:46,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 898. [2020-11-09 12:55:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2020-11-09 12:55:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 3114 transitions. [2020-11-09 12:55:46,826 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 3114 transitions. Word has length 13 [2020-11-09 12:55:46,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:46,827 INFO L481 AbstractCegarLoop]: Abstraction has 898 states and 3114 transitions. [2020-11-09 12:55:46,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:55:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 3114 transitions. [2020-11-09 12:55:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 12:55:46,829 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:46,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:46,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 12:55:46,830 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:46,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:46,830 INFO L82 PathProgramCache]: Analyzing trace with hash 2018781815, now seen corresponding path program 1 times [2020-11-09 12:55:46,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:46,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037246172] [2020-11-09 12:55:46,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:46,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037246172] [2020-11-09 12:55:46,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:46,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 12:55:46,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648883834] [2020-11-09 12:55:46,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 12:55:46,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:46,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 12:55:46,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-09 12:55:46,919 INFO L87 Difference]: Start difference. First operand 898 states and 3114 transitions. Second operand 6 states. [2020-11-09 12:55:47,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:47,069 INFO L93 Difference]: Finished difference Result 1318 states and 4411 transitions. [2020-11-09 12:55:47,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 12:55:47,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-11-09 12:55:47,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:47,076 INFO L225 Difference]: With dead ends: 1318 [2020-11-09 12:55:47,076 INFO L226 Difference]: Without dead ends: 706 [2020-11-09 12:55:47,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-09 12:55:47,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-11-09 12:55:47,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2020-11-09 12:55:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-11-09 12:55:47,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 2280 transitions. [2020-11-09 12:55:47,105 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 2280 transitions. Word has length 14 [2020-11-09 12:55:47,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:47,106 INFO L481 AbstractCegarLoop]: Abstraction has 706 states and 2280 transitions. [2020-11-09 12:55:47,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 12:55:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2280 transitions. [2020-11-09 12:55:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:55:47,108 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:47,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:47,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 12:55:47,108 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:47,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:47,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1168719043, now seen corresponding path program 1 times [2020-11-09 12:55:47,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:47,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336890862] [2020-11-09 12:55:47,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:47,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:47,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336890862] [2020-11-09 12:55:47,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:47,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:55:47,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64240195] [2020-11-09 12:55:47,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:55:47,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:47,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:55:47,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:47,238 INFO L87 Difference]: Start difference. First operand 706 states and 2280 transitions. Second operand 5 states. [2020-11-09 12:55:47,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:47,325 INFO L93 Difference]: Finished difference Result 748 states and 2356 transitions. [2020-11-09 12:55:47,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 12:55:47,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-09 12:55:47,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:47,333 INFO L225 Difference]: With dead ends: 748 [2020-11-09 12:55:47,333 INFO L226 Difference]: Without dead ends: 664 [2020-11-09 12:55:47,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:55:47,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-11-09 12:55:47,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 664. [2020-11-09 12:55:47,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-11-09 12:55:47,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 2120 transitions. [2020-11-09 12:55:47,360 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 2120 transitions. Word has length 15 [2020-11-09 12:55:47,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:47,361 INFO L481 AbstractCegarLoop]: Abstraction has 664 states and 2120 transitions. [2020-11-09 12:55:47,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:55:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 2120 transitions. [2020-11-09 12:55:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 12:55:47,363 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:47,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:47,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 12:55:47,363 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:47,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:47,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1067611378, now seen corresponding path program 1 times [2020-11-09 12:55:47,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:47,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586013420] [2020-11-09 12:55:47,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:47,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:47,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586013420] [2020-11-09 12:55:47,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:47,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:55:47,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27883104] [2020-11-09 12:55:47,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:55:47,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:47,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:55:47,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:55:47,455 INFO L87 Difference]: Start difference. First operand 664 states and 2120 transitions. Second operand 5 states. [2020-11-09 12:55:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:47,550 INFO L93 Difference]: Finished difference Result 823 states and 2565 transitions. [2020-11-09 12:55:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:55:47,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-09 12:55:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:47,554 INFO L225 Difference]: With dead ends: 823 [2020-11-09 12:55:47,554 INFO L226 Difference]: Without dead ends: 370 [2020-11-09 12:55:47,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 12:55:47,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-11-09 12:55:47,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2020-11-09 12:55:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2020-11-09 12:55:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 1064 transitions. [2020-11-09 12:55:47,571 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 1064 transitions. Word has length 16 [2020-11-09 12:55:47,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:47,571 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 1064 transitions. [2020-11-09 12:55:47,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:55:47,571 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1064 transitions. [2020-11-09 12:55:47,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 12:55:47,573 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:47,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:47,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 12:55:47,573 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:47,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:47,574 INFO L82 PathProgramCache]: Analyzing trace with hash -2145114506, now seen corresponding path program 1 times [2020-11-09 12:55:47,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:47,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366098474] [2020-11-09 12:55:47,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:47,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366098474] [2020-11-09 12:55:47,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:47,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 12:55:47,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838858335] [2020-11-09 12:55:47,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 12:55:47,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:47,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 12:55:47,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-09 12:55:47,642 INFO L87 Difference]: Start difference. First operand 370 states and 1064 transitions. Second operand 6 states. [2020-11-09 12:55:47,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:47,764 INFO L93 Difference]: Finished difference Result 490 states and 1390 transitions. [2020-11-09 12:55:47,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 12:55:47,764 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-11-09 12:55:47,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:47,766 INFO L225 Difference]: With dead ends: 490 [2020-11-09 12:55:47,766 INFO L226 Difference]: Without dead ends: 196 [2020-11-09 12:55:47,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:55:47,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-11-09 12:55:47,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2020-11-09 12:55:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-11-09 12:55:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 538 transitions. [2020-11-09 12:55:47,774 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 538 transitions. Word has length 17 [2020-11-09 12:55:47,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:47,774 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 538 transitions. [2020-11-09 12:55:47,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 12:55:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 538 transitions. [2020-11-09 12:55:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 12:55:47,775 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:47,775 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:47,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 12:55:47,776 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:47,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:47,776 INFO L82 PathProgramCache]: Analyzing trace with hash 147266248, now seen corresponding path program 1 times [2020-11-09 12:55:47,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:47,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752563068] [2020-11-09 12:55:47,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:47,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752563068] [2020-11-09 12:55:47,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:47,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 12:55:47,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244144906] [2020-11-09 12:55:47,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 12:55:47,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:47,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 12:55:47,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-09 12:55:47,872 INFO L87 Difference]: Start difference. First operand 196 states and 538 transitions. Second operand 6 states. [2020-11-09 12:55:47,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:47,953 INFO L93 Difference]: Finished difference Result 238 states and 631 transitions. [2020-11-09 12:55:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 12:55:47,953 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-11-09 12:55:47,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:47,955 INFO L225 Difference]: With dead ends: 238 [2020-11-09 12:55:47,955 INFO L226 Difference]: Without dead ends: 148 [2020-11-09 12:55:47,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-09 12:55:47,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-11-09 12:55:47,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-11-09 12:55:47,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-11-09 12:55:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 398 transitions. [2020-11-09 12:55:47,961 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 398 transitions. Word has length 18 [2020-11-09 12:55:47,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:47,961 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 398 transitions. [2020-11-09 12:55:47,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 12:55:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 398 transitions. [2020-11-09 12:55:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 12:55:47,962 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:55:47,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:55:47,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 12:55:47,962 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:55:47,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:55:47,963 INFO L82 PathProgramCache]: Analyzing trace with hash -2040946232, now seen corresponding path program 1 times [2020-11-09 12:55:47,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:55:47,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421994502] [2020-11-09 12:55:47,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:55:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:55:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:55:48,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421994502] [2020-11-09 12:55:48,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:55:48,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 12:55:48,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235651840] [2020-11-09 12:55:48,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 12:55:48,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:55:48,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 12:55:48,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-09 12:55:48,026 INFO L87 Difference]: Start difference. First operand 148 states and 398 transitions. Second operand 6 states. [2020-11-09 12:55:48,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:55:48,130 INFO L93 Difference]: Finished difference Result 124 states and 322 transitions. [2020-11-09 12:55:48,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 12:55:48,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-11-09 12:55:48,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:55:48,131 INFO L225 Difference]: With dead ends: 124 [2020-11-09 12:55:48,131 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 12:55:48,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:55:48,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 12:55:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 12:55:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 12:55:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 12:55:48,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-09 12:55:48,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:55:48,133 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 12:55:48,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 12:55:48,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 12:55:48,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 12:55:48,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-09 12:55:48,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:55:48 BasicIcfg [2020-11-09 12:55:48,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 12:55:48,139 INFO L168 Benchmark]: Toolchain (without parser) took 9703.84 ms. Allocated memory was 151.0 MB in the beginning and 222.3 MB in the end (delta: 71.3 MB). Free memory was 124.7 MB in the beginning and 107.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 89.5 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:48,139 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 12:55:48,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.83 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 125.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:48,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.43 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 123.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:48,141 INFO L168 Benchmark]: Boogie Preprocessor took 64.04 ms. Allocated memory is still 151.0 MB. Free memory was 123.1 MB in the beginning and 121.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:48,142 INFO L168 Benchmark]: RCFGBuilder took 748.27 ms. Allocated memory is still 151.0 MB. Free memory was 121.5 MB in the beginning and 97.1 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:48,143 INFO L168 Benchmark]: TraceAbstraction took 8076.29 ms. Allocated memory was 151.0 MB in the beginning and 222.3 MB in the end (delta: 71.3 MB). Free memory was 96.8 MB in the beginning and 107.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 61.5 MB. Max. memory is 8.0 GB. [2020-11-09 12:55:48,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 699.83 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 125.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 98.43 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 123.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 64.04 ms. Allocated memory is still 151.0 MB. Free memory was 123.1 MB in the beginning and 121.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 748.27 ms. Allocated memory is still 151.0 MB. Free memory was 121.5 MB in the beginning and 97.1 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8076.29 ms. Allocated memory was 151.0 MB in the beginning and 222.3 MB in the end (delta: 71.3 MB). Free memory was 96.8 MB in the beginning and 107.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 61.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1644 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 49 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 172 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.9s, 105 PlacesBefore, 41 PlacesAfterwards, 95 TransitionsBefore, 29 TransitionsAfterwards, 2256 CoEnabledTransitionPairs, 5 FixpointIterations, 21 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 4418 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.8s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, HoareTripleCheckerStatistics: 260 SDtfs, 441 SDslu, 476 SDs, 0 SdLazy, 194 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1450occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 9207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...