/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix054_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 11:12:35,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 11:12:35,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 11:12:35,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 11:12:35,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 11:12:35,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 11:12:35,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 11:12:35,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 11:12:35,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 11:12:35,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 11:12:35,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 11:12:35,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 11:12:35,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 11:12:35,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 11:12:35,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 11:12:35,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 11:12:35,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 11:12:35,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 11:12:35,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 11:12:35,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 11:12:35,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 11:12:35,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 11:12:35,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 11:12:35,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 11:12:35,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 11:12:35,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 11:12:35,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 11:12:35,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 11:12:35,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 11:12:35,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 11:12:35,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 11:12:35,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 11:12:35,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 11:12:35,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 11:12:35,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 11:12:35,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 11:12:35,486 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-SemanticLbe.epf [2021-03-11 11:12:35,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 11:12:35,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 11:12:35,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 11:12:35,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 11:12:35,516 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 11:12:35,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 11:12:35,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 11:12:35,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 11:12:35,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 11:12:35,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 11:12:35,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 11:12:35,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 11:12:35,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 11:12:35,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 11:12:35,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 11:12:35,518 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 11:12:35,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 11:12:35,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 11:12:35,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 11:12:35,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 11:12:35,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 11:12:35,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 11:12:35,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 11:12:35,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 11:12:35,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 11:12:35,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 11:12:35,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 11:12:35,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 11:12:35,520 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 11:12:35,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 11:12:35,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 11:12:35,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 11:12:35,772 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 11:12:35,772 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 11:12:35,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix054_rmo.oepc.i [2021-03-11 11:12:35,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8a43fe7/b1d735108617408a805004178c3fb72b/FLAGfcd51d687 [2021-03-11 11:12:36,178 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 11:12:36,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_rmo.oepc.i [2021-03-11 11:12:36,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8a43fe7/b1d735108617408a805004178c3fb72b/FLAGfcd51d687 [2021-03-11 11:12:36,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8a43fe7/b1d735108617408a805004178c3fb72b [2021-03-11 11:12:36,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 11:12:36,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 11:12:36,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 11:12:36,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 11:12:36,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 11:12:36,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:36,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e45a810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36, skipping insertion in model container [2021-03-11 11:12:36,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:36,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 11:12:36,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 11:12:36,649 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_rmo.oepc.i[949,962] [2021-03-11 11:12:36,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:12:36,841 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 11:12:36,848 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_rmo.oepc.i[949,962] [2021-03-11 11:12:36,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:12:36,925 INFO L208 MainTranslator]: Completed translation [2021-03-11 11:12:36,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36 WrapperNode [2021-03-11 11:12:36,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 11:12:36,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 11:12:36,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 11:12:36,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 11:12:36,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:36,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:36,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 11:12:36,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 11:12:36,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 11:12:36,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 11:12:36,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:36,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:36,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:36,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:36,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:36,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:37,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (1/1) ... [2021-03-11 11:12:37,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 11:12:37,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 11:12:37,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 11:12:37,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 11:12:37,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (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 [2021-03-11 11:12:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 11:12:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 11:12:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 11:12:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 11:12:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 11:12:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 11:12:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 11:12:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 11:12:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 11:12:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 11:12:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 11:12:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 11:12:37,063 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 11:12:38,226 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 11:12:38,226 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 11:12:38,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:12:38 BoogieIcfgContainer [2021-03-11 11:12:38,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 11:12:38,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 11:12:38,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 11:12:38,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 11:12:38,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 11:12:36" (1/3) ... [2021-03-11 11:12:38,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65db608e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:12:38, skipping insertion in model container [2021-03-11 11:12:38,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:36" (2/3) ... [2021-03-11 11:12:38,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65db608e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:12:38, skipping insertion in model container [2021-03-11 11:12:38,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:12:38" (3/3) ... [2021-03-11 11:12:38,233 INFO L111 eAbstractionObserver]: Analyzing ICFG mix054_rmo.oepc.i [2021-03-11 11:12:38,237 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 11:12:38,238 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 11:12:38,240 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 11:12:38,241 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 11:12:38,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,268 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,268 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,268 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,280 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,282 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,283 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,284 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,284 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:12:38,286 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 11:12:38,296 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-11 11:12:38,307 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 11:12:38,308 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 11:12:38,308 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 11:12:38,308 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 11:12:38,308 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 11:12:38,308 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 11:12:38,308 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 11:12:38,308 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 11:12:38,315 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 11:12:38,321 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 170 flow [2021-03-11 11:12:38,323 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 170 flow [2021-03-11 11:12:38,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 170 flow [2021-03-11 11:12:38,344 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2021-03-11 11:12:38,344 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 11:12:38,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2021-03-11 11:12:38,347 INFO L116 LiptonReduction]: Number of co-enabled transitions 926 [2021-03-11 11:12:39,451 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-03-11 11:12:39,803 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-03-11 11:12:39,915 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-11 11:12:41,507 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-03-11 11:12:41,791 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-03-11 11:12:42,066 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-03-11 11:12:42,201 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-11 11:12:42,340 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-03-11 11:12:42,468 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-11 11:12:42,470 INFO L131 LiptonReduction]: Checked pairs total: 2538 [2021-03-11 11:12:42,470 INFO L133 LiptonReduction]: Total number of compositions: 71 [2021-03-11 11:12:42,476 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 19 transitions, 48 flow [2021-03-11 11:12:42,486 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 164 states, 160 states have (on average 2.43125) internal successors, (389), 163 states have internal predecessors, (389), 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) [2021-03-11 11:12:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 160 states have (on average 2.43125) internal successors, (389), 163 states have internal predecessors, (389), 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) [2021-03-11 11:12:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-03-11 11:12:42,491 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:12:42,492 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-03-11 11:12:42,492 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:12:42,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:12:42,495 INFO L82 PathProgramCache]: Analyzing trace with hash 914235, now seen corresponding path program 1 times [2021-03-11 11:12:42,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:12:42,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066896983] [2021-03-11 11:12:42,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:12:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:12:42,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:42,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 11:12:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:12:42,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066896983] [2021-03-11 11:12:42,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:12:42,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 11:12:42,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869795760] [2021-03-11 11:12:42,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:12:42,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:12:42,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:12:42,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:12:42,683 INFO L87 Difference]: Start difference. First operand has 164 states, 160 states have (on average 2.43125) internal successors, (389), 163 states have internal predecessors, (389), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-03-11 11:12:42,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:12:42,737 INFO L93 Difference]: Finished difference Result 137 states and 320 transitions. [2021-03-11 11:12:42,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:12:42,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-03-11 11:12:42,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:12:42,747 INFO L225 Difference]: With dead ends: 137 [2021-03-11 11:12:42,748 INFO L226 Difference]: Without dead ends: 112 [2021-03-11 11:12:42,749 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:12:42,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-03-11 11:12:42,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-03-11 11:12:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 2.2972972972972974) internal successors, (255), 111 states have internal predecessors, (255), 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) [2021-03-11 11:12:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 255 transitions. [2021-03-11 11:12:42,789 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 255 transitions. Word has length 3 [2021-03-11 11:12:42,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:12:42,789 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 255 transitions. [2021-03-11 11:12:42,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-03-11 11:12:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 255 transitions. [2021-03-11 11:12:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-03-11 11:12:42,790 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:12:42,790 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:12:42,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 11:12:42,790 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:12:42,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:12:42,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1747656557, now seen corresponding path program 1 times [2021-03-11 11:12:42,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:12:42,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701806485] [2021-03-11 11:12:42,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:12:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:12:42,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:42,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:12:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:12:42,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701806485] [2021-03-11 11:12:42,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:12:42,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 11:12:42,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459521636] [2021-03-11 11:12:42,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:12:42,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:12:42,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:12:42,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:12:42,886 INFO L87 Difference]: Start difference. First operand 112 states and 255 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-03-11 11:12:42,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:12:42,896 INFO L93 Difference]: Finished difference Result 110 states and 249 transitions. [2021-03-11 11:12:42,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:12:42,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-03-11 11:12:42,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:12:42,898 INFO L225 Difference]: With dead ends: 110 [2021-03-11 11:12:42,898 INFO L226 Difference]: Without dead ends: 110 [2021-03-11 11:12:42,899 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:12:42,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-03-11 11:12:42,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-03-11 11:12:42,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 2.2844036697247705) internal successors, (249), 109 states have internal predecessors, (249), 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) [2021-03-11 11:12:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 249 transitions. [2021-03-11 11:12:42,905 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 249 transitions. Word has length 7 [2021-03-11 11:12:42,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:12:42,905 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 249 transitions. [2021-03-11 11:12:42,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-03-11 11:12:42,905 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 249 transitions. [2021-03-11 11:12:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-03-11 11:12:42,905 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:12:42,905 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:12:42,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 11:12:42,906 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:12:42,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:12:42,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1656274669, now seen corresponding path program 1 times [2021-03-11 11:12:42,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:12:42,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420090487] [2021-03-11 11:12:42,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:12:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:12:42,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:42,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:12:42,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:42,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 11:12:42,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:42,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:12:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:12:42,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420090487] [2021-03-11 11:12:42,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:12:42,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:12:42,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076350802] [2021-03-11 11:12:42,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 11:12:42,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:12:42,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 11:12:42,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:12:42,988 INFO L87 Difference]: Start difference. First operand 110 states and 249 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-03-11 11:12:43,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:12:43,010 INFO L93 Difference]: Finished difference Result 89 states and 167 transitions. [2021-03-11 11:12:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 11:12:43,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-03-11 11:12:43,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:12:43,012 INFO L225 Difference]: With dead ends: 89 [2021-03-11 11:12:43,012 INFO L226 Difference]: Without dead ends: 64 [2021-03-11 11:12:43,013 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 11:12:43,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-03-11 11:12:43,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-03-11 11:12:43,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.7619047619047619) internal successors, (111), 63 states have internal predecessors, (111), 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) [2021-03-11 11:12:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 111 transitions. [2021-03-11 11:12:43,020 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 111 transitions. Word has length 8 [2021-03-11 11:12:43,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:12:43,021 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 111 transitions. [2021-03-11 11:12:43,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-03-11 11:12:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 111 transitions. [2021-03-11 11:12:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 11:12:43,021 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:12:43,021 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:12:43,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 11:12:43,022 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:12:43,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:12:43,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1644732223, now seen corresponding path program 1 times [2021-03-11 11:12:43,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:12:43,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486739692] [2021-03-11 11:12:43,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:12:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:12:43,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:43,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:12:43,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:43,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:12:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:12:43,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486739692] [2021-03-11 11:12:43,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:12:43,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 11:12:43,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803453305] [2021-03-11 11:12:43,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:12:43,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:12:43,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:12:43,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:12:43,096 INFO L87 Difference]: Start difference. First operand 64 states and 111 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-03-11 11:12:43,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:12:43,108 INFO L93 Difference]: Finished difference Result 90 states and 150 transitions. [2021-03-11 11:12:43,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:12:43,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-03-11 11:12:43,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:12:43,109 INFO L225 Difference]: With dead ends: 90 [2021-03-11 11:12:43,109 INFO L226 Difference]: Without dead ends: 66 [2021-03-11 11:12:43,109 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:12:43,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-03-11 11:12:43,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2021-03-11 11:12:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.6612903225806452) internal successors, (103), 62 states have internal predecessors, (103), 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) [2021-03-11 11:12:43,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 103 transitions. [2021-03-11 11:12:43,112 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 103 transitions. Word has length 11 [2021-03-11 11:12:43,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:12:43,112 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 103 transitions. [2021-03-11 11:12:43,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-03-11 11:12:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 103 transitions. [2021-03-11 11:12:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 11:12:43,116 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:12:43,116 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:12:43,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 11:12:43,116 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:12:43,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:12:43,116 INFO L82 PathProgramCache]: Analyzing trace with hash -449068228, now seen corresponding path program 1 times [2021-03-11 11:12:43,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:12:43,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252868285] [2021-03-11 11:12:43,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:12:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:12:43,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:43,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:12:43,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:43,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:12:43,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:43,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 11:12:43,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:43,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:12:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:12:43,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252868285] [2021-03-11 11:12:43,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:12:43,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 11:12:43,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703392300] [2021-03-11 11:12:43,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 11:12:43,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:12:43,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 11:12:43,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 11:12:43,206 INFO L87 Difference]: Start difference. First operand 63 states and 103 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-03-11 11:12:43,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:12:43,227 INFO L93 Difference]: Finished difference Result 49 states and 74 transitions. [2021-03-11 11:12:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 11:12:43,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2021-03-11 11:12:43,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:12:43,229 INFO L225 Difference]: With dead ends: 49 [2021-03-11 11:12:43,229 INFO L226 Difference]: Without dead ends: 32 [2021-03-11 11:12:43,229 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 11:12:43,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-03-11 11:12:43,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-03-11 11:12:43,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 31 states have internal predecessors, (47), 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) [2021-03-11 11:12:43,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 47 transitions. [2021-03-11 11:12:43,232 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 47 transitions. Word has length 11 [2021-03-11 11:12:43,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:12:43,233 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 47 transitions. [2021-03-11 11:12:43,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-03-11 11:12:43,233 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-03-11 11:12:43,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-03-11 11:12:43,233 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:12:43,233 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:12:43,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 11:12:43,233 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:12:43,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:12:43,234 INFO L82 PathProgramCache]: Analyzing trace with hash 11860408, now seen corresponding path program 1 times [2021-03-11 11:12:43,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:12:43,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698423926] [2021-03-11 11:12:43,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:12:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:12:43,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:43,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:12:43,333 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-11 11:12:43,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 11:12:43,348 INFO L142 QuantifierPusher]: treesize reduction 10, result has 65.5 percent of original size [2021-03-11 11:12:43,351 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-03-11 11:12:43,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:12:43,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 11:12:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:12:43,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698423926] [2021-03-11 11:12:43,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:12:43,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 11:12:43,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383211026] [2021-03-11 11:12:43,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 11:12:43,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:12:43,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 11:12:43,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-11 11:12:43,370 INFO L87 Difference]: Start difference. First operand 32 states and 47 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2021-03-11 11:12:43,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:12:43,435 INFO L93 Difference]: Finished difference Result 40 states and 56 transitions. [2021-03-11 11:12:43,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 11:12:43,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2021-03-11 11:12:43,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:12:43,435 INFO L225 Difference]: With dead ends: 40 [2021-03-11 11:12:43,435 INFO L226 Difference]: Without dead ends: 24 [2021-03-11 11:12:43,436 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 52.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-03-11 11:12:43,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-03-11 11:12:43,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-03-11 11:12:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 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) [2021-03-11 11:12:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2021-03-11 11:12:43,437 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 15 [2021-03-11 11:12:43,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:12:43,437 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-03-11 11:12:43,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2021-03-11 11:12:43,437 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-03-11 11:12:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-03-11 11:12:43,438 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:12:43,438 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:12:43,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 11:12:43,438 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:12:43,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:12:43,438 INFO L82 PathProgramCache]: Analyzing trace with hash 701153410, now seen corresponding path program 2 times [2021-03-11 11:12:43,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:12:43,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796109113] [2021-03-11 11:12:43,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:12:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 11:12:43,468 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 11:12:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 11:12:43,502 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 11:12:43,534 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 11:12:43,535 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 11:12:43,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 11:12:43,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 11:12:43 BasicIcfg [2021-03-11 11:12:43,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 11:12:43,581 INFO L168 Benchmark]: Toolchain (without parser) took 7047.38 ms. Allocated memory was 255.9 MB in the beginning and 490.7 MB in the end (delta: 234.9 MB). Free memory was 237.0 MB in the beginning and 256.7 MB in the end (delta: -19.6 MB). Peak memory consumption was 214.8 MB. Max. memory is 16.0 GB. [2021-03-11 11:12:43,581 INFO L168 Benchmark]: CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 11:12:43,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.34 ms. Allocated memory was 255.9 MB in the beginning and 339.7 MB in the end (delta: 83.9 MB). Free memory was 236.4 MB in the beginning and 302.1 MB in the end (delta: -65.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.0 GB. [2021-03-11 11:12:43,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.95 ms. Allocated memory is still 339.7 MB. Free memory was 302.1 MB in the beginning and 299.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 11:12:43,582 INFO L168 Benchmark]: Boogie Preprocessor took 43.29 ms. Allocated memory is still 339.7 MB. Free memory was 299.3 MB in the beginning and 297.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 11:12:43,583 INFO L168 Benchmark]: RCFGBuilder took 1222.46 ms. Allocated memory is still 339.7 MB. Free memory was 297.2 MB in the beginning and 307.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 64.4 MB. Max. memory is 16.0 GB. [2021-03-11 11:12:43,583 INFO L168 Benchmark]: TraceAbstraction took 5351.59 ms. Allocated memory was 339.7 MB in the beginning and 490.7 MB in the end (delta: 151.0 MB). Free memory was 307.3 MB in the beginning and 256.7 MB in the end (delta: 50.6 MB). Peak memory consumption was 201.6 MB. Max. memory is 16.0 GB. [2021-03-11 11:12:43,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 390.34 ms. Allocated memory was 255.9 MB in the beginning and 339.7 MB in the end (delta: 83.9 MB). Free memory was 236.4 MB in the beginning and 302.1 MB in the end (delta: -65.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 32.95 ms. Allocated memory is still 339.7 MB. Free memory was 302.1 MB in the beginning and 299.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.29 ms. Allocated memory is still 339.7 MB. Free memory was 299.3 MB in the beginning and 297.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1222.46 ms. Allocated memory is still 339.7 MB. Free memory was 297.2 MB in the beginning and 307.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 64.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5351.59 ms. Allocated memory was 339.7 MB in the beginning and 490.7 MB in the end (delta: 151.0 MB). Free memory was 307.3 MB in the beginning and 256.7 MB in the end (delta: 50.6 MB). Peak memory consumption was 201.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4147.3ms, 85 PlacesBefore, 26 PlacesAfterwards, 80 TransitionsBefore, 19 TransitionsAfterwards, 926 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 71 TotalNumberOfCompositions, 2538 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1238, positive: 1106, positive conditional: 0, positive unconditional: 1106, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 649, positive: 613, positive conditional: 0, positive unconditional: 613, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 649, positive: 610, positive conditional: 0, positive unconditional: 610, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 373, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 364, negative conditional: 0, negative unconditional: 364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1238, positive: 493, positive conditional: 0, positive unconditional: 493, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 649, unknown conditional: 0, unknown unconditional: 649] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L711] 0 _Bool main$tmp_guard0; [L712] 0 _Bool main$tmp_guard1; [L714] 0 int x = 0; [L716] 0 int y = 0; [L717] 0 _Bool y$flush_delayed; [L718] 0 int y$mem_tmp; [L719] 0 _Bool y$r_buff0_thd0; [L720] 0 _Bool y$r_buff0_thd1; [L721] 0 _Bool y$r_buff0_thd2; [L722] 0 _Bool y$r_buff1_thd0; [L723] 0 _Bool y$r_buff1_thd1; [L724] 0 _Bool y$r_buff1_thd2; [L725] 0 _Bool y$read_delayed; [L726] 0 int *y$read_delayed_var; [L727] 0 int y$w_buff0; [L728] 0 _Bool y$w_buff0_used; [L729] 0 int y$w_buff1; [L730] 0 _Bool y$w_buff1_used; [L731] 0 _Bool weak$$choice0; [L732] 0 _Bool weak$$choice2; [L805] 0 pthread_t t1449; [L806] FCALL, FORK 0 pthread_create(&t1449, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 y$w_buff1 = y$w_buff0 [L737] 1 y$w_buff0 = 1 [L738] 1 y$w_buff1_used = y$w_buff0_used [L739] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L741] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L742] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L743] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L744] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L807] 0 pthread_t t1450; [L808] FCALL, FORK 0 pthread_create(&t1450, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L764] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L767] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L768] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L769] 2 y$flush_delayed = weak$$choice2 [L770] 2 y$mem_tmp = y [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L771] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L772] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L772] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L773] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L774] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L776] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] 2 __unbuffered_p1_EAX = y [L779] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L779] 2 y = y$flush_delayed ? y$mem_tmp : y [L780] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L750] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L751] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L752] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L753] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L783] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L783] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L783] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L783] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L784] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L784] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L785] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L785] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L786] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L786] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L787] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L787] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L790] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L792] 2 return 0; [L757] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L759] 1 return 0; [L810] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L814] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L814] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L814] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L814] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L815] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L815] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L816] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L816] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L817] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L817] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L818] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L818] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L821] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5229.9ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 9.8ms, AutomataDifference: 226.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4178.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 99 SDtfs, 75 SDslu, 107 SDs, 0 SdLazy, 74 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 88.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 87.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 51.7ms AutomataMinimizationTime, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.4ms SsaConstructionTime, 202.4ms SatisfiabilityAnalysisTime, 347.9ms InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...