/usr/bin/java -Xmx16000000000 -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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 20:44:44,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 20:44:44,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 20:44:44,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 20:44:44,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 20:44:44,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 20:44:44,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 20:44:44,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 20:44:44,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 20:44:44,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 20:44:44,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 20:44:44,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 20:44:44,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 20:44:44,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 20:44:44,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 20:44:44,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 20:44:44,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 20:44:44,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 20:44:44,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 20:44:44,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 20:44:44,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 20:44:44,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 20:44:44,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 20:44:44,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 20:44:44,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-20 20:44:44,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-20 20:44:44,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-20 20:44:44,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-20 20:44:44,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-20 20:44:44,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-20 20:44:44,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 20:44:44,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 20:44:44,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 20:44:44,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 20:44:44,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 20:44:44,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 20:44:44,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 20:44:44,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 20:44:44,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 20:44:44,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 20:44:44,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 20:44:44,431 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-keepdead.epf [2021-01-20 20:44:44,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 20:44:44,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 20:44:44,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 20:44:44,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 20:44:44,460 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 20:44:44,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 20:44:44,461 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 20:44:44,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 20:44:44,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 20:44:44,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 20:44:44,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 20:44:44,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 20:44:44,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 20:44:44,462 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 20:44:44,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 20:44:44,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 20:44:44,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 20:44:44,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 20:44:44,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 20:44:44,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 20:44:44,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 20:44:44,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 20:44:44,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 20:44:44,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 20:44:44,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 20:44:44,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 20:44:44,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 20:44:44,465 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 20:44:44,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 20:44:44,466 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2021-01-20 20:44:44,466 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 20:44:44,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 20:44:44,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 20:44:44,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 20:44:44,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 20:44:44,881 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 20:44:44,883 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 20:44:44,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_rmo.opt.i [2021-01-20 20:44:44,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5404a23b/770a69c5cea542bbbce76f0b37ad945b/FLAGf00b5af43 [2021-01-20 20:44:45,617 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 20:44:45,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_rmo.opt.i [2021-01-20 20:44:45,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5404a23b/770a69c5cea542bbbce76f0b37ad945b/FLAGf00b5af43 [2021-01-20 20:44:45,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5404a23b/770a69c5cea542bbbce76f0b37ad945b [2021-01-20 20:44:45,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 20:44:45,918 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 20:44:45,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 20:44:45,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 20:44:45,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 20:44:45,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 08:44:45" (1/1) ... [2021-01-20 20:44:45,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67df3501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:45, skipping insertion in model container [2021-01-20 20:44:45,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 08:44:45" (1/1) ... [2021-01-20 20:44:45,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 20:44:45,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 20:44:46,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 20:44:46,491 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 20:44:46,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 20:44:46,761 INFO L208 MainTranslator]: Completed translation [2021-01-20 20:44:46,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46 WrapperNode [2021-01-20 20:44:46,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 20:44:46,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 20:44:46,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 20:44:46,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 20:44:46,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (1/1) ... [2021-01-20 20:44:46,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (1/1) ... [2021-01-20 20:44:46,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 20:44:46,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 20:44:46,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 20:44:46,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 20:44:46,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (1/1) ... [2021-01-20 20:44:46,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (1/1) ... [2021-01-20 20:44:46,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (1/1) ... [2021-01-20 20:44:46,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (1/1) ... [2021-01-20 20:44:46,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (1/1) ... [2021-01-20 20:44:46,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (1/1) ... [2021-01-20 20:44:46,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (1/1) ... [2021-01-20 20:44:46,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 20:44:46,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 20:44:46,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 20:44:46,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 20:44:46,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (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 [2021-01-20 20:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 20:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-20 20:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 20:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 20:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-20 20:44:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-20 20:44:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-20 20:44:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-20 20:44:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-01-20 20:44:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-01-20 20:44:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-01-20 20:44:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-01-20 20:44:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 20:44:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-20 20:44:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 20:44:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 20:44:47,018 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 20:44:49,087 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 20:44:49,088 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2021-01-20 20:44:49,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 08:44:49 BoogieIcfgContainer [2021-01-20 20:44:49,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 20:44:49,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 20:44:49,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 20:44:49,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 20:44:49,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 08:44:45" (1/3) ... [2021-01-20 20:44:49,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4f728e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 08:44:49, skipping insertion in model container [2021-01-20 20:44:49,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:46" (2/3) ... [2021-01-20 20:44:49,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4f728e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 08:44:49, skipping insertion in model container [2021-01-20 20:44:49,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 08:44:49" (3/3) ... [2021-01-20 20:44:49,098 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_rmo.opt.i [2021-01-20 20:44:49,114 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 20:44:49,114 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 20:44:49,118 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-20 20:44:49,119 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 20:44:49,157 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,158 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,158 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,158 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,158 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,159 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,159 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,159 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,159 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,161 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,161 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,162 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,162 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,163 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,164 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,164 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,164 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,169 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,169 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,169 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,170 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,170 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,170 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,171 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,171 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,173 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,174 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,184 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,184 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,189 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,193 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,193 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,193 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,194 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,194 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,194 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,194 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,196 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,196 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,198 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,198 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,198 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,198 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,200 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,200 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,200 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,200 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:49,202 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 20:44:49,214 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-01-20 20:44:49,237 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 20:44:49,237 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 20:44:49,237 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 20:44:49,237 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 20:44:49,238 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 20:44:49,238 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 20:44:49,238 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 20:44:49,238 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 20:44:49,251 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 121 transitions, 262 flow [2021-01-20 20:45:31,219 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 135507 states, 135503 states have (on average 4.547397474594659) internal successors, (616186), 135506 states have internal predecessors, (616186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 135507 states, 135503 states have (on average 4.547397474594659) internal successors, (616186), 135506 states have internal predecessors, (616186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-20 20:45:31,774 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:31,777 INFO L504 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] [2021-01-20 20:45:31,778 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:31,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:31,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1340920189, now seen corresponding path program 1 times [2021-01-20 20:45:31,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:31,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521997242] [2021-01-20 20:45:31,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:32,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521997242] [2021-01-20 20:45:32,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:32,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-20 20:45:32,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37776994] [2021-01-20 20:45:32,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 20:45:32,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:32,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 20:45:32,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 20:45:32,534 INFO L87 Difference]: Start difference. First operand has 135507 states, 135503 states have (on average 4.547397474594659) internal successors, (616186), 135506 states have internal predecessors, (616186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:35,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:35,501 INFO L93 Difference]: Finished difference Result 115515 states and 512677 transitions. [2021-01-20 20:45:35,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 20:45:35,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-01-20 20:45:35,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:35,509 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 20:45:35,511 INFO L78 Accepts]: Start accepts. Automaton has 115515 states and 512677 transitions. Word has length 57 [2021-01-20 20:45:35,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:35,514 INFO L481 AbstractCegarLoop]: Abstraction has 115515 states and 512677 transitions. [2021-01-20 20:45:35,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:35,515 INFO L276 IsEmpty]: Start isEmpty. Operand 115515 states and 512677 transitions. [2021-01-20 20:45:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-20 20:45:35,601 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:35,602 INFO L504 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] [2021-01-20 20:45:35,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 20:45:35,602 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:35,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:35,604 INFO L82 PathProgramCache]: Analyzing trace with hash 487360562, now seen corresponding path program 1 times [2021-01-20 20:45:35,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:35,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424443915] [2021-01-20 20:45:35,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:35,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424443915] [2021-01-20 20:45:35,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:35,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 20:45:35,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146299394] [2021-01-20 20:45:35,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 20:45:35,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:35,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 20:45:35,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 20:45:35,923 INFO L87 Difference]: Start difference. First operand 115515 states and 512677 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:38,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:38,276 INFO L93 Difference]: Finished difference Result 146875 states and 647973 transitions. [2021-01-20 20:45:38,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 20:45:38,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-01-20 20:45:38,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:38,279 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-20 20:45:38,279 INFO L78 Accepts]: Start accepts. Automaton has 146875 states and 647973 transitions. Word has length 70 [2021-01-20 20:45:38,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:38,288 INFO L481 AbstractCegarLoop]: Abstraction has 146875 states and 647973 transitions. [2021-01-20 20:45:38,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:38,288 INFO L276 IsEmpty]: Start isEmpty. Operand 146875 states and 647973 transitions. [2021-01-20 20:45:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-20 20:45:38,440 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:38,440 INFO L504 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] [2021-01-20 20:45:38,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 20:45:38,440 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:38,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:38,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1178829201, now seen corresponding path program 1 times [2021-01-20 20:45:38,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:38,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872676899] [2021-01-20 20:45:38,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:38,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872676899] [2021-01-20 20:45:38,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:38,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 20:45:38,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803145692] [2021-01-20 20:45:38,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 20:45:38,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:38,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 20:45:38,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 20:45:38,762 INFO L87 Difference]: Start difference. First operand 146875 states and 647973 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:41,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:41,807 INFO L93 Difference]: Finished difference Result 235467 states and 1034765 transitions. [2021-01-20 20:45:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 20:45:41,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-01-20 20:45:41,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:41,809 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-20 20:45:41,809 INFO L78 Accepts]: Start accepts. Automaton has 235467 states and 1034765 transitions. Word has length 74 [2021-01-20 20:45:41,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:41,810 INFO L481 AbstractCegarLoop]: Abstraction has 235467 states and 1034765 transitions. [2021-01-20 20:45:41,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 235467 states and 1034765 transitions. [2021-01-20 20:45:42,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-20 20:45:42,077 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:42,077 INFO L504 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] [2021-01-20 20:45:42,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 20:45:42,078 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:42,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:42,080 INFO L82 PathProgramCache]: Analyzing trace with hash -803293008, now seen corresponding path program 1 times [2021-01-20 20:45:42,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:42,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287249878] [2021-01-20 20:45:42,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:42,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287249878] [2021-01-20 20:45:42,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:42,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-20 20:45:42,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340577422] [2021-01-20 20:45:42,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-20 20:45:42,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:42,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-20 20:45:42,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-01-20 20:45:42,690 INFO L87 Difference]: Start difference. First operand 235467 states and 1034765 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:42,827 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2021-01-20 20:45:43,524 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-01-20 20:45:47,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:47,801 INFO L93 Difference]: Finished difference Result 329155 states and 1438721 transitions. [2021-01-20 20:45:47,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-20 20:45:47,802 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-01-20 20:45:47,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:47,803 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2021-01-20 20:45:47,803 INFO L78 Accepts]: Start accepts. Automaton has 329155 states and 1438721 transitions. Word has length 76 [2021-01-20 20:45:47,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:47,806 INFO L481 AbstractCegarLoop]: Abstraction has 329155 states and 1438721 transitions. [2021-01-20 20:45:47,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 329155 states and 1438721 transitions. [2021-01-20 20:45:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-20 20:45:48,036 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:48,038 INFO L504 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] [2021-01-20 20:45:48,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 20:45:48,039 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:48,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:48,041 INFO L82 PathProgramCache]: Analyzing trace with hash 994334706, now seen corresponding path program 1 times [2021-01-20 20:45:48,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:48,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899511718] [2021-01-20 20:45:48,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:48,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899511718] [2021-01-20 20:45:48,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:48,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-20 20:45:48,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311162426] [2021-01-20 20:45:48,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-20 20:45:48,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:48,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-20 20:45:48,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-01-20 20:45:48,337 INFO L87 Difference]: Start difference. First operand 329155 states and 1438721 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:53,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:53,665 INFO L93 Difference]: Finished difference Result 397069 states and 1735955 transitions. [2021-01-20 20:45:53,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 20:45:53,666 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-01-20 20:45:53,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:53,667 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-01-20 20:45:53,667 INFO L78 Accepts]: Start accepts. Automaton has 397069 states and 1735955 transitions. Word has length 77 [2021-01-20 20:45:53,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:53,668 INFO L481 AbstractCegarLoop]: Abstraction has 397069 states and 1735955 transitions. [2021-01-20 20:45:53,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 397069 states and 1735955 transitions. [2021-01-20 20:45:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-20 20:45:53,946 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:53,947 INFO L504 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] [2021-01-20 20:45:53,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 20:45:53,950 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:53,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:53,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1973204174, now seen corresponding path program 2 times [2021-01-20 20:45:53,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:53,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541864698] [2021-01-20 20:45:53,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:54,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541864698] [2021-01-20 20:45:54,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:54,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-20 20:45:54,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578336348] [2021-01-20 20:45:54,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-20 20:45:54,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:54,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-20 20:45:54,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-01-20 20:45:54,384 INFO L87 Difference]: Start difference. First operand 397069 states and 1735955 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:01,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:46:01,359 INFO L93 Difference]: Finished difference Result 471353 states and 2056702 transitions. [2021-01-20 20:46:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-20 20:46:01,361 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-01-20 20:46:01,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:46:01,362 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2021-01-20 20:46:01,362 INFO L78 Accepts]: Start accepts. Automaton has 471353 states and 2056702 transitions. Word has length 77 [2021-01-20 20:46:01,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:46:01,364 INFO L481 AbstractCegarLoop]: Abstraction has 471353 states and 2056702 transitions. [2021-01-20 20:46:01,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 471353 states and 2056702 transitions. [2021-01-20 20:46:01,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-20 20:46:01,585 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:46:01,585 INFO L504 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] [2021-01-20 20:46:01,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 20:46:01,586 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:46:01,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:46:01,586 INFO L82 PathProgramCache]: Analyzing trace with hash 2130983473, now seen corresponding path program 1 times [2021-01-20 20:46:01,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:46:01,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574280237] [2021-01-20 20:46:01,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:46:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:46:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:46:01,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574280237] [2021-01-20 20:46:01,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:46:01,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-01-20 20:46:01,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716936309] [2021-01-20 20:46:01,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-01-20 20:46:01,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:46:01,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-01-20 20:46:01,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-01-20 20:46:01,965 INFO L87 Difference]: Start difference. First operand 471353 states and 2056702 transitions. Second operand has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:09,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:46:09,573 INFO L93 Difference]: Finished difference Result 547793 states and 2387368 transitions. [2021-01-20 20:46:09,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-20 20:46:09,575 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-01-20 20:46:09,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:46:09,576 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2021-01-20 20:46:09,576 INFO L78 Accepts]: Start accepts. Automaton has 547793 states and 2387368 transitions. Word has length 78 [2021-01-20 20:46:09,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:46:09,576 INFO L481 AbstractCegarLoop]: Abstraction has 547793 states and 2387368 transitions. [2021-01-20 20:46:09,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 547793 states and 2387368 transitions. [2021-01-20 20:46:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-20 20:46:09,865 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:46:09,865 INFO L504 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] [2021-01-20 20:46:09,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-20 20:46:09,869 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:46:09,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:46:09,874 INFO L82 PathProgramCache]: Analyzing trace with hash -836555407, now seen corresponding path program 2 times [2021-01-20 20:46:09,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:46:09,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294331211] [2021-01-20 20:46:09,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:46:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:46:10,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:46:10,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294331211] [2021-01-20 20:46:10,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:46:10,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-01-20 20:46:10,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850537523] [2021-01-20 20:46:10,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-01-20 20:46:10,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:46:10,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-01-20 20:46:10,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-01-20 20:46:10,608 INFO L87 Difference]: Start difference. First operand 547793 states and 2387368 transitions. Second operand has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:20,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:46:20,769 INFO L93 Difference]: Finished difference Result 649125 states and 2822544 transitions. [2021-01-20 20:46:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-20 20:46:20,773 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-01-20 20:46:20,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:46:20,774 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2021-01-20 20:46:20,775 INFO L78 Accepts]: Start accepts. Automaton has 649125 states and 2822544 transitions. Word has length 78 [2021-01-20 20:46:20,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:46:20,775 INFO L481 AbstractCegarLoop]: Abstraction has 649125 states and 2822544 transitions. [2021-01-20 20:46:20,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:20,775 INFO L276 IsEmpty]: Start isEmpty. Operand 649125 states and 2822544 transitions. [2021-01-20 20:46:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-20 20:46:21,402 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:46:21,402 INFO L504 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] [2021-01-20 20:46:21,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-20 20:46:21,403 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:46:21,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:46:21,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1438403761, now seen corresponding path program 3 times [2021-01-20 20:46:21,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:46:21,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167860761] [2021-01-20 20:46:21,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:46:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:46:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:46:22,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167860761] [2021-01-20 20:46:22,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:46:22,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-20 20:46:22,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883367571] [2021-01-20 20:46:22,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 20:46:22,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:46:22,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 20:46:22,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-01-20 20:46:22,083 INFO L87 Difference]: Start difference. First operand 649125 states and 2822544 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:34,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:46:34,103 INFO L93 Difference]: Finished difference Result 758101 states and 3275136 transitions. [2021-01-20 20:46:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 20:46:34,103 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-01-20 20:46:34,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:46:34,104 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-01-20 20:46:34,104 INFO L78 Accepts]: Start accepts. Automaton has 758101 states and 3275136 transitions. Word has length 78 [2021-01-20 20:46:34,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:46:34,107 INFO L481 AbstractCegarLoop]: Abstraction has 758101 states and 3275136 transitions. [2021-01-20 20:46:34,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 758101 states and 3275136 transitions. [2021-01-20 20:46:34,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-20 20:46:34,643 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:46:34,643 INFO L504 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] [2021-01-20 20:46:34,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-20 20:46:34,645 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:46:34,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:46:34,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1321806769, now seen corresponding path program 1 times [2021-01-20 20:46:34,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:46:34,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785802953] [2021-01-20 20:46:34,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:46:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:46:36,139 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 11 DAG size of output: 5 [2021-01-20 20:46:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:46:36,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785802953] [2021-01-20 20:46:36,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:46:36,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 20:46:36,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664739965] [2021-01-20 20:46:36,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 20:46:36,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:46:36,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 20:46:36,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 20:46:36,160 INFO L87 Difference]: Start difference. First operand 758101 states and 3275136 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:36,475 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-01-20 20:46:45,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:46:45,827 INFO L93 Difference]: Finished difference Result 578429 states and 2438925 transitions. [2021-01-20 20:46:45,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-20 20:46:45,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-01-20 20:46:45,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:46:45,831 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-20 20:46:45,831 INFO L78 Accepts]: Start accepts. Automaton has 578429 states and 2438925 transitions. Word has length 78 [2021-01-20 20:46:45,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:46:45,832 INFO L481 AbstractCegarLoop]: Abstraction has 578429 states and 2438925 transitions. [2021-01-20 20:46:45,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 578429 states and 2438925 transitions. [2021-01-20 20:46:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-20 20:46:46,485 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:46:46,485 INFO L504 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] [2021-01-20 20:46:46,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-20 20:46:46,486 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:46:46,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:46:46,489 INFO L82 PathProgramCache]: Analyzing trace with hash -81851005, now seen corresponding path program 1 times [2021-01-20 20:46:46,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:46:46,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984645556] [2021-01-20 20:46:46,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:46:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:46:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:46:47,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984645556] [2021-01-20 20:46:47,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:46:47,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-20 20:46:47,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194603355] [2021-01-20 20:46:47,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 20:46:47,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:46:47,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 20:46:47,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-20 20:46:47,015 INFO L87 Difference]: Start difference. First operand 578429 states and 2438925 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:50,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:46:50,837 INFO L93 Difference]: Finished difference Result 285893 states and 1168908 transitions. [2021-01-20 20:46:50,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 20:46:50,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-01-20 20:46:50,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:46:50,841 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-01-20 20:46:50,841 INFO L78 Accepts]: Start accepts. Automaton has 285893 states and 1168908 transitions. Word has length 79 [2021-01-20 20:46:50,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:46:50,842 INFO L481 AbstractCegarLoop]: Abstraction has 285893 states and 1168908 transitions. [2021-01-20 20:46:50,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 285893 states and 1168908 transitions. [2021-01-20 20:46:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-20 20:46:52,170 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:46:52,170 INFO L504 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] [2021-01-20 20:46:52,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-20 20:46:52,171 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:46:52,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:46:52,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1369707676, now seen corresponding path program 1 times [2021-01-20 20:46:52,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:46:52,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138765998] [2021-01-20 20:46:52,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:46:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:46:53,146 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2021-01-20 20:46:53,337 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-01-20 20:46:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:46:53,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138765998] [2021-01-20 20:46:53,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:46:53,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 20:46:53,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544731306] [2021-01-20 20:46:53,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 20:46:53,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:46:53,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 20:46:53,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 20:46:53,354 INFO L87 Difference]: Start difference. First operand 285893 states and 1168908 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:59,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:46:59,922 INFO L93 Difference]: Finished difference Result 552888 states and 2234730 transitions. [2021-01-20 20:46:59,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 20:46:59,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-01-20 20:46:59,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:46:59,923 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-20 20:46:59,924 INFO L78 Accepts]: Start accepts. Automaton has 552888 states and 2234730 transitions. Word has length 81 [2021-01-20 20:46:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:46:59,924 INFO L481 AbstractCegarLoop]: Abstraction has 552888 states and 2234730 transitions. [2021-01-20 20:46:59,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 552888 states and 2234730 transitions.