/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/concurrent/pthreads/distributed_search2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 07:26:34,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 07:26:34,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 07:26:34,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 07:26:34,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 07:26:34,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 07:26:34,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 07:26:34,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 07:26:34,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 07:26:34,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 07:26:34,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 07:26:34,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 07:26:34,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 07:26:34,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 07:26:34,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 07:26:34,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 07:26:34,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 07:26:34,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 07:26:34,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 07:26:34,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 07:26:34,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 07:26:34,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 07:26:34,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 07:26:34,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 07:26:34,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 07:26:34,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 07:26:34,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 07:26:34,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 07:26:34,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 07:26:34,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 07:26:34,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 07:26:34,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 07:26:34,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 07:26:34,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 07:26:34,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 07:26:34,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 07:26:34,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 07:26:34,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 07:26:34,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 07:26:34,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 07:26:34,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 07:26:34,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2020-04-18 07:26:34,188 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 07:26:34,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 07:26:34,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 07:26:34,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 07:26:34,191 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 07:26:34,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 07:26:34,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 07:26:34,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 07:26:34,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 07:26:34,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 07:26:34,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 07:26:34,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 07:26:34,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 07:26:34,194 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 07:26:34,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 07:26:34,195 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 07:26:34,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 07:26:34,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 07:26:34,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 07:26:34,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 07:26:34,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 07:26:34,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 07:26:34,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 07:26:34,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 07:26:34,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 07:26:34,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 07:26:34,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 07:26:34,197 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 07:26:34,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 07:26:34,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 07:26:34,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 07:26:34,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 07:26:34,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 07:26:34,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 07:26:34,517 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 07:26:34,518 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search2.c [2020-04-18 07:26:34,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29f28784/37cd8f89101341b4a19fb19bf316627f/FLAG809288a05 [2020-04-18 07:26:35,088 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 07:26:35,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search2.c [2020-04-18 07:26:35,089 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 07:26:35,089 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 07:26:35,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29f28784/37cd8f89101341b4a19fb19bf316627f/FLAG809288a05 [2020-04-18 07:26:35,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29f28784/37cd8f89101341b4a19fb19bf316627f [2020-04-18 07:26:35,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 07:26:35,434 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 07:26:35,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 07:26:35,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 07:26:35,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 07:26:35,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f9f912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35, skipping insertion in model container [2020-04-18 07:26:35,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 07:26:35,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 07:26:35,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:26:35,765 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 07:26:35,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:26:35,802 INFO L208 MainTranslator]: Completed translation [2020-04-18 07:26:35,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35 WrapperNode [2020-04-18 07:26:35,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 07:26:35,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 07:26:35,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 07:26:35,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 07:26:35,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 07:26:35,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 07:26:35,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 07:26:35,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 07:26:35,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (1/1) ... [2020-04-18 07:26:35,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 07:26:35,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 07:26:35,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 07:26:35,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 07:26:35,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (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 [2020-04-18 07:26:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 07:26:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2020-04-18 07:26:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2020-04-18 07:26:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 07:26:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 07:26:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 07:26:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 07:26:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 07:26:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 07:26:35,927 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 07:26:36,385 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 07:26:36,385 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-04-18 07:26:36,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:26:36 BoogieIcfgContainer [2020-04-18 07:26:36,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 07:26:36,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 07:26:36,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 07:26:36,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 07:26:36,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:26:35" (1/3) ... [2020-04-18 07:26:36,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4237551e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:26:36, skipping insertion in model container [2020-04-18 07:26:36,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:26:35" (2/3) ... [2020-04-18 07:26:36,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4237551e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:26:36, skipping insertion in model container [2020-04-18 07:26:36,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:26:36" (3/3) ... [2020-04-18 07:26:36,398 INFO L109 eAbstractionObserver]: Analyzing ICFG distributed_search2.c [2020-04-18 07:26:36,408 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 07:26:36,409 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 07:26:36,416 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 07:26:36,417 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 07:26:36,447 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,447 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,447 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,448 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,448 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,448 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,448 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,449 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,449 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,449 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,449 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,450 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,450 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,450 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,450 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,451 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,451 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,451 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,451 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,452 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,452 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,452 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,453 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,453 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,453 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,454 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,454 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,454 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,454 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,455 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,455 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,455 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,456 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,456 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,456 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,456 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,457 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,457 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,457 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,457 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,458 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,458 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,459 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,459 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,459 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,459 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,460 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,460 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,460 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,460 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,460 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,461 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,461 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,461 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,461 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,462 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,462 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,462 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,462 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,463 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,463 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,463 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,463 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,464 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,464 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,464 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,464 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,465 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,465 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,465 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,465 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,466 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,466 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,466 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,466 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,467 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,467 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,467 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,467 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,468 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,471 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,472 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,472 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,472 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,472 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,473 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,473 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,473 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,473 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,474 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,474 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,474 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,474 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,481 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,481 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,481 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,482 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,482 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,482 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,482 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,483 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,483 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,483 WARN L315 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,483 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,484 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,484 WARN L315 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:26:36,507 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-18 07:26:36,527 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:26:36,528 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:26:36,528 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:26:36,528 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:26:36,528 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:26:36,529 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:26:36,529 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:26:36,529 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:26:36,545 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 135 places, 138 transitions, 298 flow [2020-04-18 07:26:36,642 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1789 states. [2020-04-18 07:26:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states. [2020-04-18 07:26:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-04-18 07:26:36,686 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:26:36,687 INFO L425 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] [2020-04-18 07:26:36,687 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 07:26:36,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:26:36,693 INFO L82 PathProgramCache]: Analyzing trace with hash 574600381, now seen corresponding path program 1 times [2020-04-18 07:26:36,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:26:36,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865177983] [2020-04-18 07:26:36,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:26:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:26:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:26:36,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865177983] [2020-04-18 07:26:36,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:26:36,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 07:26:36,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358851758] [2020-04-18 07:26:36,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 07:26:36,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:26:36,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 07:26:36,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 07:26:36,961 INFO L87 Difference]: Start difference. First operand 1789 states. Second operand 2 states. [2020-04-18 07:26:37,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:26:37,023 INFO L93 Difference]: Finished difference Result 1789 states and 4620 transitions. [2020-04-18 07:26:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 07:26:37,024 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 87 [2020-04-18 07:26:37,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:26:37,078 INFO L225 Difference]: With dead ends: 1789 [2020-04-18 07:26:37,079 INFO L226 Difference]: Without dead ends: 1777 [2020-04-18 07:26:37,080 INFO L678 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 [2020-04-18 07:26:37,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2020-04-18 07:26:37,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1777. [2020-04-18 07:26:37,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1777 states. [2020-04-18 07:26:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 4607 transitions. [2020-04-18 07:26:37,232 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 4607 transitions. Word has length 87 [2020-04-18 07:26:37,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:26:37,233 INFO L479 AbstractCegarLoop]: Abstraction has 1777 states and 4607 transitions. [2020-04-18 07:26:37,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 07:26:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 4607 transitions. [2020-04-18 07:26:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-04-18 07:26:37,240 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:26:37,240 INFO L425 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] [2020-04-18 07:26:37,241 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 07:26:37,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:26:37,241 INFO L82 PathProgramCache]: Analyzing trace with hash 678611261, now seen corresponding path program 1 times [2020-04-18 07:26:37,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:26:37,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058448] [2020-04-18 07:26:37,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:26:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:26:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:26:37,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058448] [2020-04-18 07:26:37,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:26:37,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 07:26:37,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100379993] [2020-04-18 07:26:37,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 07:26:37,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:26:37,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 07:26:37,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-18 07:26:37,551 INFO L87 Difference]: Start difference. First operand 1777 states and 4607 transitions. Second operand 5 states. [2020-04-18 07:26:37,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:26:37,667 INFO L93 Difference]: Finished difference Result 1782 states and 4611 transitions. [2020-04-18 07:26:37,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 07:26:37,668 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2020-04-18 07:26:37,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:26:37,680 INFO L225 Difference]: With dead ends: 1782 [2020-04-18 07:26:37,680 INFO L226 Difference]: Without dead ends: 1768 [2020-04-18 07:26:37,681 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-18 07:26:37,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2020-04-18 07:26:37,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1768. [2020-04-18 07:26:37,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1768 states. [2020-04-18 07:26:37,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1768 states and 4597 transitions. [2020-04-18 07:26:37,739 INFO L78 Accepts]: Start accepts. Automaton has 1768 states and 4597 transitions. Word has length 87 [2020-04-18 07:26:37,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:26:37,741 INFO L479 AbstractCegarLoop]: Abstraction has 1768 states and 4597 transitions. [2020-04-18 07:26:37,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 07:26:37,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 4597 transitions. [2020-04-18 07:26:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-04-18 07:26:37,748 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:26:37,748 INFO L425 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] [2020-04-18 07:26:37,748 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 07:26:37,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:26:37,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1467463773, now seen corresponding path program 1 times [2020-04-18 07:26:37,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:26:37,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067698523] [2020-04-18 07:26:37,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:26:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:26:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:26:37,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067698523] [2020-04-18 07:26:37,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:26:37,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 07:26:37,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714180988] [2020-04-18 07:26:37,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 07:26:37,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:26:37,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 07:26:37,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:26:37,926 INFO L87 Difference]: Start difference. First operand 1768 states and 4597 transitions. Second operand 3 states. [2020-04-18 07:26:37,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:26:37,977 INFO L93 Difference]: Finished difference Result 3048 states and 8014 transitions. [2020-04-18 07:26:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 07:26:37,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-04-18 07:26:37,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:26:37,998 INFO L225 Difference]: With dead ends: 3048 [2020-04-18 07:26:37,999 INFO L226 Difference]: Without dead ends: 3001 [2020-04-18 07:26:37,999 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:26:38,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2020-04-18 07:26:38,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 2737. [2020-04-18 07:26:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2737 states. [2020-04-18 07:26:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 7203 transitions. [2020-04-18 07:26:38,129 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 7203 transitions. Word has length 87 [2020-04-18 07:26:38,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:26:38,129 INFO L479 AbstractCegarLoop]: Abstraction has 2737 states and 7203 transitions. [2020-04-18 07:26:38,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 07:26:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 7203 transitions. [2020-04-18 07:26:38,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-04-18 07:26:38,137 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:26:38,138 INFO L425 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] [2020-04-18 07:26:38,138 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 07:26:38,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:26:38,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1543410744, now seen corresponding path program 1 times [2020-04-18 07:26:38,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:26:38,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236601397] [2020-04-18 07:26:38,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:26:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:26:39,068 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2020-04-18 07:26:39,217 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-04-18 07:26:39,427 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2020-04-18 07:26:39,566 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2020-04-18 07:26:39,778 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-04-18 07:26:40,028 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2020-04-18 07:26:40,375 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2020-04-18 07:26:40,696 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2020-04-18 07:26:41,034 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2020-04-18 07:26:41,377 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2020-04-18 07:26:41,759 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2020-04-18 07:26:42,115 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2020-04-18 07:26:42,427 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2020-04-18 07:26:42,738 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2020-04-18 07:26:43,051 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2020-04-18 07:26:43,324 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2020-04-18 07:26:43,811 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2020-04-18 07:26:44,016 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2020-04-18 07:26:44,226 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2020-04-18 07:26:44,425 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 49 [2020-04-18 07:26:44,652 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 49 [2020-04-18 07:26:45,707 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 41 [2020-04-18 07:26:46,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:26:46,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236601397] [2020-04-18 07:26:46,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730585189] [2020-04-18 07:26:46,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-18 07:26:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:26:47,059 INFO L264 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 104 conjunts are in the unsatisfiable core [2020-04-18 07:26:47,070 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-18 07:26:47,318 INFO L377 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 [2020-04-18 07:26:47,318 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 07:26:47,331 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:26:47,332 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-18 07:26:47,332 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:27 [2020-04-18 07:26:47,716 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:26:47,716 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-04-18 07:26:47,717 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 07:26:47,766 INFO L619 ElimStorePlain]: treesize reduction 14, result has 73.6 percent of original size [2020-04-18 07:26:47,766 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-04-18 07:26:47,767 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:39 [2020-04-18 07:26:48,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:26:48,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-18 07:26:48,311 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:26:48,312 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 50 [2020-04-18 07:26:48,313 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:26:48,314 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 07:26:48,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-18 07:26:48,346 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:26:48,347 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 48 [2020-04-18 07:26:48,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:26:48,348 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 07:26:48,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-18 07:26:48,373 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:26:48,373 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 48 [2020-04-18 07:26:48,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:26:48,375 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 07:26:48,610 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-04-18 07:26:48,611 INFO L619 ElimStorePlain]: treesize reduction 48, result has 80.2 percent of original size [2020-04-18 07:26:48,614 INFO L539 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2020-04-18 07:26:48,614 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:206, output treesize:194 [2020-04-18 07:26:48,937 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-04-18 07:26:49,246 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-04-18 07:26:49,623 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-04-18 07:26:49,918 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-04-18 07:26:50,277 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-18 07:26:50,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-18 07:26:50,637 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-18 07:26:50,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-18 07:26:51,023 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-04-18 07:26:51,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-18 07:26:51,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-18 07:26:51,500 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:26:51,501 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-18 07:26:51,502 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 07:26:51,528 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:26:51,528 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-18 07:26:51,529 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 07:26:51,549 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:26:51,550 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-04-18 07:26:51,551 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 07:26:51,722 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-04-18 07:26:51,722 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:26:51,725 INFO L539 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2020-04-18 07:26:51,726 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:245, output treesize:224 [2020-04-18 07:26:52,094 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-04-18 07:26:52,819 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-04-18 07:26:52,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-18 07:27:19,496 WARN L192 SmtUtils]: Spent 26.26 s on a formula simplification that was a NOOP. DAG size: 102 [2020-04-18 07:27:19,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-18 07:27:19,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-18 07:27:19,577 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:27:19,578 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 102 [2020-04-18 07:27:19,580 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 07:27:19,994 WARN L192 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 123 [2020-04-18 07:27:19,995 INFO L619 ElimStorePlain]: treesize reduction 44, result has 87.4 percent of original size [2020-04-18 07:27:20,007 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-18 07:27:20,038 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:27:20,039 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 102 [2020-04-18 07:27:20,041 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 07:27:20,427 WARN L192 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2020-04-18 07:27:20,428 INFO L619 ElimStorePlain]: treesize reduction 40, result has 88.3 percent of original size [2020-04-18 07:27:20,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2020-04-18 07:27:20,450 INFO L172 IndexEqualityManager]: detected equality via solver [2020-04-18 07:27:20,481 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 07:27:20,482 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 122 [2020-04-18 07:27:20,483 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 07:27:20,844 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 111 [2020-04-18 07:27:20,845 INFO L619 ElimStorePlain]: treesize reduction 78, result has 79.0 percent of original size [2020-04-18 07:27:20,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:27:20,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:27:20,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:27:20,850 INFO L539 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 3 dim-2 vars, End of recursive call: 12 dim-0 vars, and 3 xjuncts. [2020-04-18 07:27:20,850 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 15 variables, input treesize:313, output treesize:293 [2020-04-18 07:27:20,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:27:20,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:27:20,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:27:41,475 WARN L192 SmtUtils]: Spent 20.23 s on a formula simplification that was a NOOP. DAG size: 123 [2020-04-18 07:27:41,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:27:41,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:27:41,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:28:20,305 WARN L192 SmtUtils]: Spent 38.42 s on a formula simplification. DAG size of input: 134 DAG size of output: 104 [2020-04-18 07:28:41,477 WARN L192 SmtUtils]: Spent 20.82 s on a formula simplification that was a NOOP. DAG size: 104 [2020-04-18 07:28:41,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-18 07:29:00,485 WARN L192 SmtUtils]: Spent 18.52 s on a formula simplification that was a NOOP. DAG size: 104 [2020-04-18 07:29:21,053 WARN L192 SmtUtils]: Spent 20.19 s on a formula simplification that was a NOOP. DAG size: 104 [2020-04-18 07:29:41,903 WARN L192 SmtUtils]: Spent 20.49 s on a formula simplification that was a NOOP. DAG size: 106 [2020-04-18 07:29:41,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-18 07:29:41,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:29:41,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:29:41,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 07:29:42,017 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-04-18 07:30:27,418 WARN L192 SmtUtils]: Spent 44.51 s on a formula simplification that was a NOOP. DAG size: 117 [2020-04-18 07:31:11,228 WARN L192 SmtUtils]: Spent 43.23 s on a formula simplification that was a NOOP. DAG size: 171 [2020-04-18 07:31:11,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms Received shutdown request... [2020-04-18 07:31:20,048 WARN L209 SmtUtils]: Removed 12 from assertion stack [2020-04-18 07:31:20,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-18 07:31:20,249 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-18 07:31:20,255 WARN L228 ceAbstractionStarter]: Timeout [2020-04-18 07:31:20,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:31:20 BasicIcfg [2020-04-18 07:31:20,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 07:31:20,257 INFO L168 Benchmark]: Toolchain (without parser) took 284838.29 ms. Allocated memory was 146.8 MB in the beginning and 518.5 MB in the end (delta: 371.7 MB). Free memory was 101.9 MB in the beginning and 396.6 MB in the end (delta: -294.7 MB). Peak memory consumption was 361.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:31:20,257 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 07:31:20,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.08 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 180.6 MB in the end (delta: -80.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2020-04-18 07:31:20,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.91 ms. Allocated memory is still 204.5 MB. Free memory was 180.6 MB in the beginning and 178.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:31:20,260 INFO L168 Benchmark]: Boogie Preprocessor took 26.52 ms. Allocated memory is still 204.5 MB. Free memory was 178.7 MB in the beginning and 177.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-18 07:31:20,260 INFO L168 Benchmark]: RCFGBuilder took 521.66 ms. Allocated memory is still 204.5 MB. Free memory was 177.4 MB in the beginning and 151.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-04-18 07:31:20,261 INFO L168 Benchmark]: TraceAbstraction took 283863.63 ms. Allocated memory was 204.5 MB in the beginning and 518.5 MB in the end (delta: 314.0 MB). Free memory was 150.8 MB in the beginning and 396.6 MB in the end (delta: -245.8 MB). Peak memory consumption was 353.1 MB. Max. memory is 7.1 GB. [2020-04-18 07:31:20,265 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 367.08 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 180.6 MB in the end (delta: -80.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.91 ms. Allocated memory is still 204.5 MB. Free memory was 180.6 MB in the beginning and 178.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.52 ms. Allocated memory is still 204.5 MB. Free memory was 178.7 MB in the beginning and 177.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 521.66 ms. Allocated memory is still 204.5 MB. Free memory was 177.4 MB in the beginning and 151.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 283863.63 ms. Allocated memory was 204.5 MB in the beginning and 518.5 MB in the end (delta: 314.0 MB). Free memory was 150.8 MB in the beginning and 396.6 MB in the end (delta: -245.8 MB). Peak memory consumption was 353.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 67). Cancelled while BasicCegarLoop was analyzing trace of length 97 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 196 for 8113ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 283.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 359 SDtfs, 44 SDslu, 416 SDs, 0 SdLazy, 28 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2737occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 264 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 41108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 could not prove your program: Timeout Completed graceful shutdown