/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 15:03:44,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 15:03:44,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 15:03:44,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 15:03:44,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 15:03:44,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 15:03:44,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 15:03:44,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 15:03:44,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 15:03:44,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 15:03:44,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 15:03:44,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 15:03:44,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 15:03:44,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 15:03:44,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 15:03:44,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 15:03:44,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 15:03:44,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 15:03:44,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 15:03:44,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 15:03:44,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 15:03:44,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 15:03:44,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 15:03:44,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 15:03:44,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 15:03:44,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 15:03:44,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 15:03:44,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 15:03:44,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 15:03:44,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 15:03:44,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 15:03:44,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 15:03:44,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 15:03:44,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 15:03:44,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 15:03:44,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 15:03:44,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-11-09 15:03:44,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 15:03:44,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 15:03:44,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 15:03:44,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 15:03:44,262 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 15:03:44,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 15:03:44,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 15:03:44,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 15:03:44,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 15:03:44,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 15:03:44,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 15:03:44,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 15:03:44,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 15:03:44,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 15:03:44,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 15:03:44,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 15:03:44,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 15:03:44,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 15:03:44,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 15:03:44,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 15:03:44,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 15:03:44,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 15:03:44,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 15:03:44,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 15:03:44,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 15:03:44,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 15:03:44,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 15:03:44,268 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 15:03:44,268 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 15:03:44,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 15:03:44,268 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 15:03:44,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 15:03:44,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 15:03:44,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 15:03:44,738 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 15:03:44,739 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 15:03:44,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2020-11-09 15:03:44,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07ca23b6/f590778e1db040d4ab829e7e572a8c60/FLAGfa29c7922 [2020-11-09 15:03:45,591 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 15:03:45,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2020-11-09 15:03:45,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07ca23b6/f590778e1db040d4ab829e7e572a8c60/FLAGfa29c7922 [2020-11-09 15:03:45,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07ca23b6/f590778e1db040d4ab829e7e572a8c60 [2020-11-09 15:03:45,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 15:03:45,818 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 15:03:45,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 15:03:45,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 15:03:45,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 15:03:45,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:45" (1/1) ... [2020-11-09 15:03:45,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff0d9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:45, skipping insertion in model container [2020-11-09 15:03:45,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:45" (1/1) ... [2020-11-09 15:03:45,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 15:03:45,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 15:03:46,082 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-09 15:03:46,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:03:46,235 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 15:03:46,255 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-09 15:03:46,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:03:46,477 INFO L208 MainTranslator]: Completed translation [2020-11-09 15:03:46,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46 WrapperNode [2020-11-09 15:03:46,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 15:03:46,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 15:03:46,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 15:03:46,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 15:03:46,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (1/1) ... [2020-11-09 15:03:46,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (1/1) ... [2020-11-09 15:03:46,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 15:03:46,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 15:03:46,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 15:03:46,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 15:03:46,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (1/1) ... [2020-11-09 15:03:46,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (1/1) ... [2020-11-09 15:03:46,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (1/1) ... [2020-11-09 15:03:46,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (1/1) ... [2020-11-09 15:03:46,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (1/1) ... [2020-11-09 15:03:46,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (1/1) ... [2020-11-09 15:03:46,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (1/1) ... [2020-11-09 15:03:46,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 15:03:46,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 15:03:46,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 15:03:46,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 15:03:46,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 15:03:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-09 15:03:46,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-09 15:03:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 15:03:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 15:03:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 15:03:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 15:03:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 15:03:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 15:03:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 15:03:46,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 15:03:46,655 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 15:03:47,082 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 15:03:47,083 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-09 15:03:47,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:03:47 BoogieIcfgContainer [2020-11-09 15:03:47,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 15:03:47,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 15:03:47,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 15:03:47,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 15:03:47,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:03:45" (1/3) ... [2020-11-09 15:03:47,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f5c5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:03:47, skipping insertion in model container [2020-11-09 15:03:47,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46" (2/3) ... [2020-11-09 15:03:47,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f5c5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:03:47, skipping insertion in model container [2020-11-09 15:03:47,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:03:47" (3/3) ... [2020-11-09 15:03:47,095 INFO L111 eAbstractionObserver]: Analyzing ICFG 45_monabsex1_vs.i [2020-11-09 15:03:47,112 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 15:03:47,112 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 15:03:47,116 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 15:03:47,117 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 15:03:47,145 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,145 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,145 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:47,165 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:03:47,178 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-09 15:03:47,204 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:03:47,204 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:03:47,205 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:03:47,205 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:03:47,205 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:03:47,205 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:03:47,205 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:03:47,206 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:03:47,217 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:03:47,218 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 35 transitions, 75 flow [2020-11-09 15:03:47,221 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 35 transitions, 75 flow [2020-11-09 15:03:47,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 35 transitions, 75 flow [2020-11-09 15:03:47,258 INFO L129 PetriNetUnfolder]: 2/43 cut-off events. [2020-11-09 15:03:47,258 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 15:03:47,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 2/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 22. Up to 4 conditions per place. [2020-11-09 15:03:47,263 INFO L116 LiptonReduction]: Number of co-enabled transitions 200 [2020-11-09 15:03:49,095 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 15:03:49,262 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 15:03:49,522 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-11-09 15:03:49,786 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-11-09 15:03:50,013 INFO L131 LiptonReduction]: Checked pairs total: 184 [2020-11-09 15:03:50,014 INFO L133 LiptonReduction]: Total number of compositions: 31 [2020-11-09 15:03:50,021 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions, 21 flow [2020-11-09 15:03:50,029 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-11-09 15:03:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-11-09 15:03:50,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 15:03:50,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:50,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 15:03:50,038 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 15:03:50,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:50,044 INFO L82 PathProgramCache]: Analyzing trace with hash 5368972, now seen corresponding path program 1 times [2020-11-09 15:03:50,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:50,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048897106] [2020-11-09 15:03:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:03:50,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048897106] [2020-11-09 15:03:50,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:50,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 15:03:50,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1931483854] [2020-11-09 15:03:50,228 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:50,230 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:50,243 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-11-09 15:03:50,243 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:50,248 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:50,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 15:03:50,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:50,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 15:03:50,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 15:03:50,269 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-11-09 15:03:50,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:50,273 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-11-09 15:03:50,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 15:03:50,275 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-11-09 15:03:50,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:50,283 INFO L225 Difference]: With dead ends: 11 [2020-11-09 15:03:50,283 INFO L226 Difference]: Without dead ends: 11 [2020-11-09 15:03:50,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 15:03:50,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-09 15:03:50,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-09 15:03:50,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-09 15:03:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-11-09 15:03:50,319 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2020-11-09 15:03:50,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:50,320 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-11-09 15:03:50,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 15:03:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-11-09 15:03:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 15:03:50,321 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:50,321 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-09 15:03:50,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 15:03:50,322 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 15:03:50,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:50,322 INFO L82 PathProgramCache]: Analyzing trace with hash 864552538, now seen corresponding path program 1 times [2020-11-09 15:03:50,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:50,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741172571] [2020-11-09 15:03:50,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:03:50,360 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:03:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:03:50,378 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:03:50,401 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 15:03:50,401 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 15:03:50,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 15:03:50,403 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 15:03:50,403 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 15:03:50,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,417 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,417 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,417 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,418 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,418 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,419 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,419 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,419 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,419 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,419 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,419 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,420 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,420 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,421 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,421 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,435 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:50,439 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:03:50,439 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-09 15:03:50,441 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:03:50,441 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:03:50,442 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:03:50,442 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:03:50,442 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:03:50,442 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:03:50,442 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:03:50,442 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:03:50,445 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:03:50,445 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 46 transitions, 104 flow [2020-11-09 15:03:50,446 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 46 transitions, 104 flow [2020-11-09 15:03:50,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 46 transitions, 104 flow [2020-11-09 15:03:50,461 INFO L129 PetriNetUnfolder]: 3/63 cut-off events. [2020-11-09 15:03:50,462 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-11-09 15:03:50,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 63 events. 3/63 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 110 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2020-11-09 15:03:50,465 INFO L116 LiptonReduction]: Number of co-enabled transitions 620 [2020-11-09 15:03:52,349 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-09 15:03:52,569 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-09 15:03:52,630 INFO L131 LiptonReduction]: Checked pairs total: 951 [2020-11-09 15:03:52,630 INFO L133 LiptonReduction]: Total number of compositions: 34 [2020-11-09 15:03:52,631 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 13 transitions, 38 flow [2020-11-09 15:03:52,637 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 100 states. [2020-11-09 15:03:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2020-11-09 15:03:52,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 15:03:52,638 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:52,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 15:03:52,639 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:52,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:52,639 INFO L82 PathProgramCache]: Analyzing trace with hash 253871969, now seen corresponding path program 1 times [2020-11-09 15:03:52,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:52,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083371508] [2020-11-09 15:03:52,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:03:52,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083371508] [2020-11-09 15:03:52,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:52,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:03:52,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [90674592] [2020-11-09 15:03:52,705 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:52,706 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:52,707 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 15:03:52,707 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:52,708 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:52,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:03:52,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:52,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:03:52,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:52,709 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 3 states. [2020-11-09 15:03:52,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:52,743 INFO L93 Difference]: Finished difference Result 96 states and 197 transitions. [2020-11-09 15:03:52,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:52,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 15:03:52,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:52,749 INFO L225 Difference]: With dead ends: 96 [2020-11-09 15:03:52,749 INFO L226 Difference]: Without dead ends: 96 [2020-11-09 15:03:52,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:52,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-11-09 15:03:52,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 84. [2020-11-09 15:03:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-09 15:03:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 180 transitions. [2020-11-09 15:03:52,769 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 180 transitions. Word has length 5 [2020-11-09 15:03:52,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:52,770 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 180 transitions. [2020-11-09 15:03:52,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:03:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 180 transitions. [2020-11-09 15:03:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 15:03:52,771 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:52,771 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:52,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 15:03:52,771 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:52,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:52,772 INFO L82 PathProgramCache]: Analyzing trace with hash -413731648, now seen corresponding path program 1 times [2020-11-09 15:03:52,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:52,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256676108] [2020-11-09 15:03:52,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:03:52,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256676108] [2020-11-09 15:03:52,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:52,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:03:52,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1341718256] [2020-11-09 15:03:52,817 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:52,818 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:52,820 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 15:03:52,820 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:52,820 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:52,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:03:52,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:52,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:03:52,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:52,822 INFO L87 Difference]: Start difference. First operand 84 states and 180 transitions. Second operand 3 states. [2020-11-09 15:03:52,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:52,841 INFO L93 Difference]: Finished difference Result 84 states and 164 transitions. [2020-11-09 15:03:52,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:52,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 15:03:52,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:52,845 INFO L225 Difference]: With dead ends: 84 [2020-11-09 15:03:52,845 INFO L226 Difference]: Without dead ends: 84 [2020-11-09 15:03:52,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:52,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-11-09 15:03:52,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2020-11-09 15:03:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-09 15:03:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 154 transitions. [2020-11-09 15:03:52,862 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 154 transitions. Word has length 8 [2020-11-09 15:03:52,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:52,862 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 154 transitions. [2020-11-09 15:03:52,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:03:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 154 transitions. [2020-11-09 15:03:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:03:52,867 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:52,867 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:52,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 15:03:52,868 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:52,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:52,868 INFO L82 PathProgramCache]: Analyzing trace with hash 85172275, now seen corresponding path program 1 times [2020-11-09 15:03:52,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:52,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66759375] [2020-11-09 15:03:52,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:03:52,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66759375] [2020-11-09 15:03:52,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:52,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:03:52,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [271436725] [2020-11-09 15:03:52,929 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:52,930 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:52,933 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:03:52,933 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:52,958 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:52,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:03:52,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:52,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:03:52,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:03:52,962 INFO L87 Difference]: Start difference. First operand 76 states and 154 transitions. Second operand 4 states. [2020-11-09 15:03:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:52,999 INFO L93 Difference]: Finished difference Result 68 states and 136 transitions. [2020-11-09 15:03:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:52,999 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:03:53,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:53,001 INFO L225 Difference]: With dead ends: 68 [2020-11-09 15:03:53,001 INFO L226 Difference]: Without dead ends: 68 [2020-11-09 15:03:53,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:03:53,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-11-09 15:03:53,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2020-11-09 15:03:53,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-11-09 15:03:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 129 transitions. [2020-11-09 15:03:53,010 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 129 transitions. Word has length 9 [2020-11-09 15:03:53,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:53,011 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 129 transitions. [2020-11-09 15:03:53,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:03:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 129 transitions. [2020-11-09 15:03:53,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:03:53,012 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:53,012 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-11-09 15:03:53,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 15:03:53,012 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:53,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:53,013 INFO L82 PathProgramCache]: Analyzing trace with hash 59144741, now seen corresponding path program 1 times [2020-11-09 15:03:53,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:53,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417422329] [2020-11-09 15:03:53,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:03:53,048 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:03:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:03:53,078 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:03:53,089 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 15:03:53,089 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 15:03:53,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 15:03:53,090 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 15:03:53,095 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 15:03:53,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,104 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,104 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,106 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,106 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,129 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,129 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,130 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,130 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,130 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:53,132 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:03:53,133 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 15:03:53,134 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:03:53,134 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:03:53,134 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:03:53,134 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:03:53,134 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:03:53,134 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:03:53,134 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:03:53,134 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:03:53,136 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:03:53,137 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 57 transitions, 135 flow [2020-11-09 15:03:53,137 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 57 transitions, 135 flow [2020-11-09 15:03:53,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 57 transitions, 135 flow [2020-11-09 15:03:53,155 INFO L129 PetriNetUnfolder]: 4/83 cut-off events. [2020-11-09 15:03:53,156 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-11-09 15:03:53,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 83 events. 4/83 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 173 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 67. Up to 8 conditions per place. [2020-11-09 15:03:53,159 INFO L116 LiptonReduction]: Number of co-enabled transitions 1260 [2020-11-09 15:03:55,034 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-11-09 15:03:55,218 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-11-09 15:03:55,282 INFO L131 LiptonReduction]: Checked pairs total: 2034 [2020-11-09 15:03:55,283 INFO L133 LiptonReduction]: Total number of compositions: 41 [2020-11-09 15:03:55,283 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 17 transitions, 55 flow [2020-11-09 15:03:55,304 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 404 states. [2020-11-09 15:03:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states. [2020-11-09 15:03:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 15:03:55,305 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:55,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 15:03:55,305 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:55,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:55,306 INFO L82 PathProgramCache]: Analyzing trace with hash 357883446, now seen corresponding path program 1 times [2020-11-09 15:03:55,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:55,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213886898] [2020-11-09 15:03:55,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:55,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:03:55,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213886898] [2020-11-09 15:03:55,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:55,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:03:55,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1429778443] [2020-11-09 15:03:55,376 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:55,376 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:55,377 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 15:03:55,377 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:55,378 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:55,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:03:55,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:55,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:03:55,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:55,379 INFO L87 Difference]: Start difference. First operand 404 states. Second operand 3 states. [2020-11-09 15:03:55,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:55,426 INFO L93 Difference]: Finished difference Result 447 states and 1247 transitions. [2020-11-09 15:03:55,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:55,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 15:03:55,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:55,439 INFO L225 Difference]: With dead ends: 447 [2020-11-09 15:03:55,439 INFO L226 Difference]: Without dead ends: 447 [2020-11-09 15:03:55,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:55,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-11-09 15:03:55,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 378. [2020-11-09 15:03:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-11-09 15:03:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 1099 transitions. [2020-11-09 15:03:55,491 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 1099 transitions. Word has length 5 [2020-11-09 15:03:55,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:55,491 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 1099 transitions. [2020-11-09 15:03:55,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:03:55,492 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1099 transitions. [2020-11-09 15:03:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 15:03:55,492 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:55,492 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:55,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 15:03:55,493 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:55,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:55,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1506619634, now seen corresponding path program 1 times [2020-11-09 15:03:55,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:55,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967385190] [2020-11-09 15:03:55,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:03:55,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967385190] [2020-11-09 15:03:55,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:55,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:03:55,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1951011360] [2020-11-09 15:03:55,522 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:55,523 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:55,524 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 15:03:55,524 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:55,524 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:55,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:03:55,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:55,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:03:55,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:55,526 INFO L87 Difference]: Start difference. First operand 378 states and 1099 transitions. Second operand 3 states. [2020-11-09 15:03:55,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:55,596 INFO L93 Difference]: Finished difference Result 486 states and 1356 transitions. [2020-11-09 15:03:55,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:55,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 15:03:55,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:55,607 INFO L225 Difference]: With dead ends: 486 [2020-11-09 15:03:55,608 INFO L226 Difference]: Without dead ends: 486 [2020-11-09 15:03:55,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:55,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-11-09 15:03:55,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 412. [2020-11-09 15:03:55,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-11-09 15:03:55,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 1196 transitions. [2020-11-09 15:03:55,672 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 1196 transitions. Word has length 8 [2020-11-09 15:03:55,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:55,672 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 1196 transitions. [2020-11-09 15:03:55,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:03:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1196 transitions. [2020-11-09 15:03:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:03:55,673 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:55,673 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:55,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 15:03:55,674 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:55,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:55,675 INFO L82 PathProgramCache]: Analyzing trace with hash -515094640, now seen corresponding path program 1 times [2020-11-09 15:03:55,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:55,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460756066] [2020-11-09 15:03:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:03:55,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460756066] [2020-11-09 15:03:55,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:55,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:03:55,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1790036214] [2020-11-09 15:03:55,761 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:55,764 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:55,766 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:03:55,766 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:55,770 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:55,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:03:55,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:55,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:03:55,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:03:55,775 INFO L87 Difference]: Start difference. First operand 412 states and 1196 transitions. Second operand 4 states. [2020-11-09 15:03:55,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:55,820 INFO L93 Difference]: Finished difference Result 338 states and 962 transitions. [2020-11-09 15:03:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:55,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:03:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:55,824 INFO L225 Difference]: With dead ends: 338 [2020-11-09 15:03:55,824 INFO L226 Difference]: Without dead ends: 338 [2020-11-09 15:03:55,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:03:55,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-09 15:03:55,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 283. [2020-11-09 15:03:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-11-09 15:03:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 793 transitions. [2020-11-09 15:03:55,843 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 793 transitions. Word has length 9 [2020-11-09 15:03:55,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:55,844 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 793 transitions. [2020-11-09 15:03:55,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:03:55,844 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 793 transitions. [2020-11-09 15:03:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:03:55,846 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:55,846 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:55,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 15:03:55,847 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:55,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:55,847 INFO L82 PathProgramCache]: Analyzing trace with hash -539429940, now seen corresponding path program 1 times [2020-11-09 15:03:55,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:55,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823812165] [2020-11-09 15:03:55,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:03:55,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823812165] [2020-11-09 15:03:55,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:55,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:03:55,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [846190023] [2020-11-09 15:03:55,921 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:55,923 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:55,924 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:03:55,925 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:55,925 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:55,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:03:55,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:55,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:03:55,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:03:55,928 INFO L87 Difference]: Start difference. First operand 283 states and 793 transitions. Second operand 4 states. [2020-11-09 15:03:55,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:55,974 INFO L93 Difference]: Finished difference Result 233 states and 641 transitions. [2020-11-09 15:03:55,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:55,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:03:55,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:55,977 INFO L225 Difference]: With dead ends: 233 [2020-11-09 15:03:55,977 INFO L226 Difference]: Without dead ends: 233 [2020-11-09 15:03:55,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:03:55,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-11-09 15:03:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 183. [2020-11-09 15:03:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-11-09 15:03:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 489 transitions. [2020-11-09 15:03:55,986 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 489 transitions. Word has length 9 [2020-11-09 15:03:55,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:55,986 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 489 transitions. [2020-11-09 15:03:55,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:03:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 489 transitions. [2020-11-09 15:03:55,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 15:03:55,990 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:55,990 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:55,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-09 15:03:55,990 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:55,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:55,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1209455377, now seen corresponding path program 1 times [2020-11-09 15:03:55,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:55,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604092873] [2020-11-09 15:03:55,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-09 15:03:56,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604092873] [2020-11-09 15:03:56,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:56,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:03:56,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1609190375] [2020-11-09 15:03:56,015 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:56,016 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:56,017 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-11-09 15:03:56,017 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:56,017 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:56,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:03:56,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:56,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:03:56,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:56,019 INFO L87 Difference]: Start difference. First operand 183 states and 489 transitions. Second operand 3 states. [2020-11-09 15:03:56,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:56,041 INFO L93 Difference]: Finished difference Result 243 states and 634 transitions. [2020-11-09 15:03:56,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:56,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-09 15:03:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:56,043 INFO L225 Difference]: With dead ends: 243 [2020-11-09 15:03:56,043 INFO L226 Difference]: Without dead ends: 243 [2020-11-09 15:03:56,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:56,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-11-09 15:03:56,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 211. [2020-11-09 15:03:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-11-09 15:03:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 570 transitions. [2020-11-09 15:03:56,052 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 570 transitions. Word has length 11 [2020-11-09 15:03:56,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:56,053 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 570 transitions. [2020-11-09 15:03:56,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:03:56,054 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 570 transitions. [2020-11-09 15:03:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 15:03:56,055 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:56,055 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:56,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-09 15:03:56,055 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:56,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:56,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1161586808, now seen corresponding path program 1 times [2020-11-09 15:03:56,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:56,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663244170] [2020-11-09 15:03:56,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-09 15:03:56,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663244170] [2020-11-09 15:03:56,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:56,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:03:56,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1823240039] [2020-11-09 15:03:56,088 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:56,089 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:56,091 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 19 transitions. [2020-11-09 15:03:56,091 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:56,091 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:56,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:03:56,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:56,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:03:56,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:03:56,093 INFO L87 Difference]: Start difference. First operand 211 states and 570 transitions. Second operand 4 states. [2020-11-09 15:03:56,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:56,124 INFO L93 Difference]: Finished difference Result 179 states and 474 transitions. [2020-11-09 15:03:56,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:56,124 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 15:03:56,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:56,126 INFO L225 Difference]: With dead ends: 179 [2020-11-09 15:03:56,126 INFO L226 Difference]: Without dead ends: 179 [2020-11-09 15:03:56,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:03:56,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-11-09 15:03:56,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 147. [2020-11-09 15:03:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-11-09 15:03:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 378 transitions. [2020-11-09 15:03:56,132 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 378 transitions. Word has length 12 [2020-11-09 15:03:56,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:56,133 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 378 transitions. [2020-11-09 15:03:56,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:03:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 378 transitions. [2020-11-09 15:03:56,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 15:03:56,134 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:56,134 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-11-09 15:03:56,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-09 15:03:56,134 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:03:56,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:56,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1161678792, now seen corresponding path program 1 times [2020-11-09 15:03:56,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:56,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15784401] [2020-11-09 15:03:56,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:03:56,168 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:03:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:03:56,179 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:03:56,186 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 15:03:56,186 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 15:03:56,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-09 15:03:56,186 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 15:03:56,187 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-11-09 15:03:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:56,234 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:03:56,234 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-09 15:03:56,235 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:03:56,236 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:03:56,236 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:03:56,236 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:03:56,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:03:56,236 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:03:56,236 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:03:56,236 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:03:56,238 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:03:56,239 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 68 transitions, 168 flow [2020-11-09 15:03:56,239 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 68 transitions, 168 flow [2020-11-09 15:03:56,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 168 flow [2020-11-09 15:03:56,273 INFO L129 PetriNetUnfolder]: 5/103 cut-off events. [2020-11-09 15:03:56,274 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-11-09 15:03:56,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 103 events. 5/103 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 242 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 91. Up to 10 conditions per place. [2020-11-09 15:03:56,282 INFO L116 LiptonReduction]: Number of co-enabled transitions 2120 [2020-11-09 15:03:58,210 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-11-09 15:03:58,404 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-11-09 15:03:58,470 INFO L131 LiptonReduction]: Checked pairs total: 3264 [2020-11-09 15:03:58,470 INFO L133 LiptonReduction]: Total number of compositions: 48 [2020-11-09 15:03:58,471 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 21 transitions, 74 flow [2020-11-09 15:03:58,569 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1620 states. [2020-11-09 15:03:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states. [2020-11-09 15:03:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 15:03:58,570 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:58,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 15:03:58,570 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 15:03:58,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:58,571 INFO L82 PathProgramCache]: Analyzing trace with hash 479102369, now seen corresponding path program 1 times [2020-11-09 15:03:58,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:58,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686054807] [2020-11-09 15:03:58,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:58,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:03:58,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686054807] [2020-11-09 15:03:58,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:58,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:03:58,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1890485760] [2020-11-09 15:03:58,614 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:58,614 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:58,615 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 15:03:58,615 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:58,615 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:58,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:03:58,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:58,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:03:58,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:58,616 INFO L87 Difference]: Start difference. First operand 1620 states. Second operand 3 states. [2020-11-09 15:03:58,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:58,688 INFO L93 Difference]: Finished difference Result 1878 states and 6626 transitions. [2020-11-09 15:03:58,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:58,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 15:03:58,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:58,706 INFO L225 Difference]: With dead ends: 1878 [2020-11-09 15:03:58,706 INFO L226 Difference]: Without dead ends: 1878 [2020-11-09 15:03:58,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:58,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2020-11-09 15:03:58,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1572. [2020-11-09 15:03:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1572 states. [2020-11-09 15:03:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 5747 transitions. [2020-11-09 15:03:58,822 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 5747 transitions. Word has length 5 [2020-11-09 15:03:58,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:58,822 INFO L481 AbstractCegarLoop]: Abstraction has 1572 states and 5747 transitions. [2020-11-09 15:03:58,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:03:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 5747 transitions. [2020-11-09 15:03:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 15:03:58,823 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:58,823 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:58,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-09 15:03:58,823 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 15:03:58,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:58,824 INFO L82 PathProgramCache]: Analyzing trace with hash 653051384, now seen corresponding path program 1 times [2020-11-09 15:03:58,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:58,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874960048] [2020-11-09 15:03:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:03:58,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874960048] [2020-11-09 15:03:58,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:58,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:03:58,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1957433245] [2020-11-09 15:03:58,858 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:58,859 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:58,860 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 15:03:58,860 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:58,861 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:58,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:03:58,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:58,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:03:58,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:58,862 INFO L87 Difference]: Start difference. First operand 1572 states and 5747 transitions. Second operand 3 states. [2020-11-09 15:03:58,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:58,933 INFO L93 Difference]: Finished difference Result 2193 states and 7798 transitions. [2020-11-09 15:03:58,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:58,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 15:03:58,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:58,955 INFO L225 Difference]: With dead ends: 2193 [2020-11-09 15:03:58,956 INFO L226 Difference]: Without dead ends: 2193 [2020-11-09 15:03:58,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:59,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2020-11-09 15:03:59,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 1828. [2020-11-09 15:03:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1828 states. [2020-11-09 15:03:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 6732 transitions. [2020-11-09 15:03:59,077 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 6732 transitions. Word has length 8 [2020-11-09 15:03:59,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:59,077 INFO L481 AbstractCegarLoop]: Abstraction has 1828 states and 6732 transitions. [2020-11-09 15:03:59,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:03:59,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 6732 transitions. [2020-11-09 15:03:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:03:59,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:59,078 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:59,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-09 15:03:59,078 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 15:03:59,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:59,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1203798774, now seen corresponding path program 1 times [2020-11-09 15:03:59,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:59,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553210615] [2020-11-09 15:03:59,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:03:59,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553210615] [2020-11-09 15:03:59,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:59,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:03:59,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1174610591] [2020-11-09 15:03:59,172 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:59,173 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:59,178 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:03:59,178 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:59,183 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:59,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:03:59,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:59,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:03:59,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:03:59,184 INFO L87 Difference]: Start difference. First operand 1828 states and 6732 transitions. Second operand 4 states. [2020-11-09 15:03:59,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:59,239 INFO L93 Difference]: Finished difference Result 1463 states and 5301 transitions. [2020-11-09 15:03:59,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:59,240 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:03:59,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:59,254 INFO L225 Difference]: With dead ends: 1463 [2020-11-09 15:03:59,254 INFO L226 Difference]: Without dead ends: 1463 [2020-11-09 15:03:59,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:03:59,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2020-11-09 15:03:59,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1177. [2020-11-09 15:03:59,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2020-11-09 15:03:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 4196 transitions. [2020-11-09 15:03:59,340 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 4196 transitions. Word has length 9 [2020-11-09 15:03:59,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:59,340 INFO L481 AbstractCegarLoop]: Abstraction has 1177 states and 4196 transitions. [2020-11-09 15:03:59,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:03:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 4196 transitions. [2020-11-09 15:03:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:03:59,341 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:59,341 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:59,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-09 15:03:59,341 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 15:03:59,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:59,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1230241454, now seen corresponding path program 1 times [2020-11-09 15:03:59,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:59,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411340071] [2020-11-09 15:03:59,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:03:59,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411340071] [2020-11-09 15:03:59,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:59,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:03:59,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [767211507] [2020-11-09 15:03:59,373 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:59,374 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:59,378 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:03:59,378 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:59,378 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:59,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:03:59,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:59,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:03:59,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:03:59,381 INFO L87 Difference]: Start difference. First operand 1177 states and 4196 transitions. Second operand 4 states. [2020-11-09 15:03:59,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:59,423 INFO L93 Difference]: Finished difference Result 950 states and 3337 transitions. [2020-11-09 15:03:59,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:59,424 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:03:59,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:59,433 INFO L225 Difference]: With dead ends: 950 [2020-11-09 15:03:59,433 INFO L226 Difference]: Without dead ends: 950 [2020-11-09 15:03:59,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:03:59,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2020-11-09 15:03:59,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 723. [2020-11-09 15:03:59,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-11-09 15:03:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 2478 transitions. [2020-11-09 15:03:59,475 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 2478 transitions. Word has length 9 [2020-11-09 15:03:59,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:59,475 INFO L481 AbstractCegarLoop]: Abstraction has 723 states and 2478 transitions. [2020-11-09 15:03:59,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:03:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2478 transitions. [2020-11-09 15:03:59,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 15:03:59,476 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:59,476 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:59,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-09 15:03:59,476 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 15:03:59,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:59,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1252124783, now seen corresponding path program 1 times [2020-11-09 15:03:59,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:59,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686406478] [2020-11-09 15:03:59,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:59,495 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-09 15:03:59,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686406478] [2020-11-09 15:03:59,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:59,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:03:59,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1002174233] [2020-11-09 15:03:59,496 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:59,497 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:59,497 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-11-09 15:03:59,498 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:59,498 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:59,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:03:59,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:59,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:03:59,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:59,499 INFO L87 Difference]: Start difference. First operand 723 states and 2478 transitions. Second operand 3 states. [2020-11-09 15:03:59,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:59,535 INFO L93 Difference]: Finished difference Result 1044 states and 3505 transitions. [2020-11-09 15:03:59,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:59,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-09 15:03:59,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:59,545 INFO L225 Difference]: With dead ends: 1044 [2020-11-09 15:03:59,545 INFO L226 Difference]: Without dead ends: 1044 [2020-11-09 15:03:59,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:59,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2020-11-09 15:03:59,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 880. [2020-11-09 15:03:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-11-09 15:03:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 3058 transitions. [2020-11-09 15:03:59,589 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 3058 transitions. Word has length 11 [2020-11-09 15:03:59,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:59,589 INFO L481 AbstractCegarLoop]: Abstraction has 880 states and 3058 transitions. [2020-11-09 15:03:59,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:03:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 3058 transitions. [2020-11-09 15:03:59,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 15:03:59,590 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:59,590 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:59,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-09 15:03:59,591 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 15:03:59,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:59,591 INFO L82 PathProgramCache]: Analyzing trace with hash -161159773, now seen corresponding path program 1 times [2020-11-09 15:03:59,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:59,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773544310] [2020-11-09 15:03:59,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-09 15:03:59,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773544310] [2020-11-09 15:03:59,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:59,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:03:59,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1940990681] [2020-11-09 15:03:59,616 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:59,617 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:59,618 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 19 transitions. [2020-11-09 15:03:59,618 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:59,619 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:59,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:03:59,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:59,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:03:59,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:03:59,620 INFO L87 Difference]: Start difference. First operand 880 states and 3058 transitions. Second operand 4 states. [2020-11-09 15:03:59,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:59,654 INFO L93 Difference]: Finished difference Result 716 states and 2447 transitions. [2020-11-09 15:03:59,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:59,654 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 15:03:59,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:59,661 INFO L225 Difference]: With dead ends: 716 [2020-11-09 15:03:59,661 INFO L226 Difference]: Without dead ends: 716 [2020-11-09 15:03:59,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:03:59,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-09 15:03:59,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 552. [2020-11-09 15:03:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-11-09 15:03:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 1836 transitions. [2020-11-09 15:03:59,688 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 1836 transitions. Word has length 12 [2020-11-09 15:03:59,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:59,689 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 1836 transitions. [2020-11-09 15:03:59,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:03:59,689 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 1836 transitions. [2020-11-09 15:03:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 15:03:59,690 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:59,690 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:59,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-09 15:03:59,690 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 15:03:59,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:59,691 INFO L82 PathProgramCache]: Analyzing trace with hash -364375133, now seen corresponding path program 1 times [2020-11-09 15:03:59,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:59,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925037067] [2020-11-09 15:03:59,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:03:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 15:03:59,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925037067] [2020-11-09 15:03:59,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:03:59,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:03:59,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [886489386] [2020-11-09 15:03:59,712 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:03:59,713 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:03:59,714 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-11-09 15:03:59,714 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:03:59,715 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:03:59,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:03:59,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:03:59,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:03:59,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:59,716 INFO L87 Difference]: Start difference. First operand 552 states and 1836 transitions. Second operand 3 states. [2020-11-09 15:03:59,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:03:59,747 INFO L93 Difference]: Finished difference Result 756 states and 2485 transitions. [2020-11-09 15:03:59,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:03:59,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-09 15:03:59,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:03:59,754 INFO L225 Difference]: With dead ends: 756 [2020-11-09 15:03:59,755 INFO L226 Difference]: Without dead ends: 756 [2020-11-09 15:03:59,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:03:59,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-11-09 15:03:59,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 652. [2020-11-09 15:03:59,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-11-09 15:03:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 2203 transitions. [2020-11-09 15:03:59,783 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 2203 transitions. Word has length 14 [2020-11-09 15:03:59,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:03:59,784 INFO L481 AbstractCegarLoop]: Abstraction has 652 states and 2203 transitions. [2020-11-09 15:03:59,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:03:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 2203 transitions. [2020-11-09 15:03:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 15:03:59,785 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:03:59,785 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-11-09 15:03:59,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-09 15:03:59,785 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 15:03:59,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:03:59,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1589163167, now seen corresponding path program 1 times [2020-11-09 15:03:59,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:03:59,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499356634] [2020-11-09 15:03:59,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:03:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:03:59,798 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:03:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:03:59,807 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:03:59,813 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 15:03:59,814 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 15:03:59,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-09 15:03:59,814 WARN L386 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 15:03:59,814 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-11-09 15:03:59,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,827 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,827 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,827 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,862 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,862 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,863 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,863 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,863 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,863 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,863 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,864 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,875 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,875 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,875 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,881 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,882 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,882 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,882 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,882 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:03:59,884 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:03:59,884 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-09 15:03:59,885 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:03:59,885 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:03:59,885 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:03:59,885 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:03:59,885 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:03:59,885 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:03:59,885 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:03:59,885 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:03:59,887 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:03:59,887 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 79 transitions, 203 flow [2020-11-09 15:03:59,888 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 79 transitions, 203 flow [2020-11-09 15:03:59,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 79 transitions, 203 flow [2020-11-09 15:03:59,911 INFO L129 PetriNetUnfolder]: 6/123 cut-off events. [2020-11-09 15:03:59,911 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-11-09 15:03:59,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 123 events. 6/123 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 301 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 116. Up to 12 conditions per place. [2020-11-09 15:03:59,917 INFO L116 LiptonReduction]: Number of co-enabled transitions 3200 [2020-11-09 15:04:01,761 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-09 15:04:01,955 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-09 15:04:02,018 INFO L131 LiptonReduction]: Checked pairs total: 4995 [2020-11-09 15:04:02,018 INFO L133 LiptonReduction]: Total number of compositions: 55 [2020-11-09 15:04:02,019 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 25 transitions, 95 flow [2020-11-09 15:04:02,584 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6484 states. [2020-11-09 15:04:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 6484 states. [2020-11-09 15:04:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 15:04:02,585 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:02,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 15:04:02,586 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:02,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:02,587 INFO L82 PathProgramCache]: Analyzing trace with hash 617051649, now seen corresponding path program 1 times [2020-11-09 15:04:02,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:02,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970409609] [2020-11-09 15:04:02,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:02,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:04:02,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970409609] [2020-11-09 15:04:02,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:02,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:02,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [487078000] [2020-11-09 15:04:02,613 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:02,613 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:02,614 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 15:04:02,614 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:02,614 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:02,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:02,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:02,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:02,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:02,616 INFO L87 Difference]: Start difference. First operand 6484 states. Second operand 3 states. [2020-11-09 15:04:02,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:02,746 INFO L93 Difference]: Finished difference Result 7629 states and 32588 transitions. [2020-11-09 15:04:02,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:02,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 15:04:02,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:02,830 INFO L225 Difference]: With dead ends: 7629 [2020-11-09 15:04:02,830 INFO L226 Difference]: Without dead ends: 7629 [2020-11-09 15:04:02,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:03,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7629 states. [2020-11-09 15:04:03,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7629 to 6366. [2020-11-09 15:04:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6366 states. [2020-11-09 15:04:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6366 states to 6366 states and 28029 transitions. [2020-11-09 15:04:03,516 INFO L78 Accepts]: Start accepts. Automaton has 6366 states and 28029 transitions. Word has length 5 [2020-11-09 15:04:03,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:03,516 INFO L481 AbstractCegarLoop]: Abstraction has 6366 states and 28029 transitions. [2020-11-09 15:04:03,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 6366 states and 28029 transitions. [2020-11-09 15:04:03,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 15:04:03,516 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:03,517 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:03,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-09 15:04:03,517 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:03,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:03,519 INFO L82 PathProgramCache]: Analyzing trace with hash 4897142, now seen corresponding path program 1 times [2020-11-09 15:04:03,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:03,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633289331] [2020-11-09 15:04:03,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:04:03,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633289331] [2020-11-09 15:04:03,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:03,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:03,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [335366600] [2020-11-09 15:04:03,562 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:03,563 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:03,563 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 15:04:03,564 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:03,564 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:03,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:03,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:03,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:03,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:03,565 INFO L87 Difference]: Start difference. First operand 6366 states and 28029 transitions. Second operand 3 states. [2020-11-09 15:04:03,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:03,776 INFO L93 Difference]: Finished difference Result 9120 states and 39254 transitions. [2020-11-09 15:04:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:03,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 15:04:03,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:03,869 INFO L225 Difference]: With dead ends: 9120 [2020-11-09 15:04:03,870 INFO L226 Difference]: Without dead ends: 9120 [2020-11-09 15:04:03,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:04,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9120 states. [2020-11-09 15:04:04,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9120 to 7564. [2020-11-09 15:04:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7564 states. [2020-11-09 15:04:04,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7564 states to 7564 states and 33556 transitions. [2020-11-09 15:04:04,587 INFO L78 Accepts]: Start accepts. Automaton has 7564 states and 33556 transitions. Word has length 8 [2020-11-09 15:04:04,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:04,588 INFO L481 AbstractCegarLoop]: Abstraction has 7564 states and 33556 transitions. [2020-11-09 15:04:04,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:04,589 INFO L276 IsEmpty]: Start isEmpty. Operand 7564 states and 33556 transitions. [2020-11-09 15:04:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:04:04,589 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:04,589 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:04,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-09 15:04:04,589 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:04,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:04,590 INFO L82 PathProgramCache]: Analyzing trace with hash -423735442, now seen corresponding path program 1 times [2020-11-09 15:04:04,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:04,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959325237] [2020-11-09 15:04:04,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:04,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:04:04,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959325237] [2020-11-09 15:04:04,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:04,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:04:04,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1999934880] [2020-11-09 15:04:04,618 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:04,619 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:04,620 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:04:04,620 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:04,627 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:04,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:04:04,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:04,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:04:04,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:04:04,631 INFO L87 Difference]: Start difference. First operand 7564 states and 33556 transitions. Second operand 4 states. [2020-11-09 15:04:04,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:04,760 INFO L93 Difference]: Finished difference Result 6008 states and 26302 transitions. [2020-11-09 15:04:04,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:04,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:04:04,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:04,796 INFO L225 Difference]: With dead ends: 6008 [2020-11-09 15:04:04,796 INFO L226 Difference]: Without dead ends: 6008 [2020-11-09 15:04:04,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:04:05,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6008 states. [2020-11-09 15:04:05,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6008 to 4771. [2020-11-09 15:04:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4771 states. [2020-11-09 15:04:05,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4771 states to 4771 states and 20598 transitions. [2020-11-09 15:04:05,241 INFO L78 Accepts]: Start accepts. Automaton has 4771 states and 20598 transitions. Word has length 9 [2020-11-09 15:04:05,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:05,241 INFO L481 AbstractCegarLoop]: Abstraction has 4771 states and 20598 transitions. [2020-11-09 15:04:05,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:04:05,241 INFO L276 IsEmpty]: Start isEmpty. Operand 4771 states and 20598 transitions. [2020-11-09 15:04:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:04:05,242 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:05,242 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:05,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-09 15:04:05,242 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:05,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:05,243 INFO L82 PathProgramCache]: Analyzing trace with hash 151814954, now seen corresponding path program 1 times [2020-11-09 15:04:05,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:05,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396828815] [2020-11-09 15:04:05,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:04:05,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396828815] [2020-11-09 15:04:05,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:05,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:04:05,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [445450903] [2020-11-09 15:04:05,282 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:05,283 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:05,285 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:04:05,285 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:05,287 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:05,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:04:05,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:05,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:04:05,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:04:05,288 INFO L87 Difference]: Start difference. First operand 4771 states and 20598 transitions. Second operand 4 states. [2020-11-09 15:04:05,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:05,359 INFO L93 Difference]: Finished difference Result 3827 states and 16326 transitions. [2020-11-09 15:04:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:05,359 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:04:05,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:05,383 INFO L225 Difference]: With dead ends: 3827 [2020-11-09 15:04:05,383 INFO L226 Difference]: Without dead ends: 3827 [2020-11-09 15:04:05,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:04:05,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2020-11-09 15:04:05,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 2883. [2020-11-09 15:04:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2883 states. [2020-11-09 15:04:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 12054 transitions. [2020-11-09 15:04:05,740 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 12054 transitions. Word has length 9 [2020-11-09 15:04:05,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:05,740 INFO L481 AbstractCegarLoop]: Abstraction has 2883 states and 12054 transitions. [2020-11-09 15:04:05,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:04:05,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 12054 transitions. [2020-11-09 15:04:05,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 15:04:05,741 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:05,742 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:05,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-09 15:04:05,742 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:05,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:05,742 INFO L82 PathProgramCache]: Analyzing trace with hash -257659729, now seen corresponding path program 1 times [2020-11-09 15:04:05,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:05,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970264584] [2020-11-09 15:04:05,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-09 15:04:05,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970264584] [2020-11-09 15:04:05,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:05,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:05,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1416480995] [2020-11-09 15:04:05,771 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:05,772 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:05,773 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-11-09 15:04:05,773 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:05,773 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:05,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:05,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:05,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:05,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:05,774 INFO L87 Difference]: Start difference. First operand 2883 states and 12054 transitions. Second operand 3 states. [2020-11-09 15:04:05,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:05,891 INFO L93 Difference]: Finished difference Result 4275 states and 17545 transitions. [2020-11-09 15:04:05,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:05,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-09 15:04:05,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:05,916 INFO L225 Difference]: With dead ends: 4275 [2020-11-09 15:04:05,917 INFO L226 Difference]: Without dead ends: 4275 [2020-11-09 15:04:05,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:05,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2020-11-09 15:04:06,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 3574. [2020-11-09 15:04:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3574 states. [2020-11-09 15:04:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3574 states and 15125 transitions. [2020-11-09 15:04:06,101 INFO L78 Accepts]: Start accepts. Automaton has 3574 states and 15125 transitions. Word has length 11 [2020-11-09 15:04:06,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:06,101 INFO L481 AbstractCegarLoop]: Abstraction has 3574 states and 15125 transitions. [2020-11-09 15:04:06,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 15125 transitions. [2020-11-09 15:04:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 15:04:06,102 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:06,102 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:06,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-09 15:04:06,102 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:06,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:06,103 INFO L82 PathProgramCache]: Analyzing trace with hash 602485914, now seen corresponding path program 1 times [2020-11-09 15:04:06,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:06,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032105104] [2020-11-09 15:04:06,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-09 15:04:06,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032105104] [2020-11-09 15:04:06,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:06,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:04:06,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [733171315] [2020-11-09 15:04:06,133 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:06,134 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:06,135 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 19 transitions. [2020-11-09 15:04:06,135 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:06,135 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:06,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:04:06,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:06,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:04:06,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:04:06,136 INFO L87 Difference]: Start difference. First operand 3574 states and 15125 transitions. Second operand 4 states. [2020-11-09 15:04:06,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:06,201 INFO L93 Difference]: Finished difference Result 2873 states and 12004 transitions. [2020-11-09 15:04:06,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:06,202 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 15:04:06,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:06,218 INFO L225 Difference]: With dead ends: 2873 [2020-11-09 15:04:06,218 INFO L226 Difference]: Without dead ends: 2873 [2020-11-09 15:04:06,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:04:06,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2873 states. [2020-11-09 15:04:06,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2873 to 2172. [2020-11-09 15:04:06,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2172 states. [2020-11-09 15:04:06,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 2172 states and 8883 transitions. [2020-11-09 15:04:06,404 INFO L78 Accepts]: Start accepts. Automaton has 2172 states and 8883 transitions. Word has length 12 [2020-11-09 15:04:06,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:06,405 INFO L481 AbstractCegarLoop]: Abstraction has 2172 states and 8883 transitions. [2020-11-09 15:04:06,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:04:06,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 8883 transitions. [2020-11-09 15:04:06,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 15:04:06,407 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:06,407 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:06,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-09 15:04:06,407 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:06,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:06,408 INFO L82 PathProgramCache]: Analyzing trace with hash -952705357, now seen corresponding path program 1 times [2020-11-09 15:04:06,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:06,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638418938] [2020-11-09 15:04:06,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 15:04:06,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638418938] [2020-11-09 15:04:06,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:06,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:06,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [290672794] [2020-11-09 15:04:06,441 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:06,443 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:06,444 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-11-09 15:04:06,444 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:06,444 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:06,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:06,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:06,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:06,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:06,446 INFO L87 Difference]: Start difference. First operand 2172 states and 8883 transitions. Second operand 3 states. [2020-11-09 15:04:06,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:06,500 INFO L93 Difference]: Finished difference Result 3177 states and 12799 transitions. [2020-11-09 15:04:06,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:06,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-09 15:04:06,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:06,516 INFO L225 Difference]: With dead ends: 3177 [2020-11-09 15:04:06,516 INFO L226 Difference]: Without dead ends: 3177 [2020-11-09 15:04:06,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:06,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3177 states. [2020-11-09 15:04:06,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3177 to 2671. [2020-11-09 15:04:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2671 states. [2020-11-09 15:04:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 11075 transitions. [2020-11-09 15:04:06,637 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 11075 transitions. Word has length 14 [2020-11-09 15:04:06,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:06,637 INFO L481 AbstractCegarLoop]: Abstraction has 2671 states and 11075 transitions. [2020-11-09 15:04:06,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:06,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 11075 transitions. [2020-11-09 15:04:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 15:04:06,638 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:06,638 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:06,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-11-09 15:04:06,639 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:06,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:06,639 INFO L82 PathProgramCache]: Analyzing trace with hash 530907564, now seen corresponding path program 1 times [2020-11-09 15:04:06,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:06,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754726309] [2020-11-09 15:04:06,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 15:04:06,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754726309] [2020-11-09 15:04:06,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:06,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:04:06,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1953361054] [2020-11-09 15:04:06,665 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:06,667 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:06,668 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 22 transitions. [2020-11-09 15:04:06,669 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:06,669 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:06,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:04:06,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:06,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:04:06,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:04:06,670 INFO L87 Difference]: Start difference. First operand 2671 states and 11075 transitions. Second operand 4 states. [2020-11-09 15:04:06,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:06,720 INFO L93 Difference]: Finished difference Result 2165 states and 8845 transitions. [2020-11-09 15:04:06,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:06,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-09 15:04:06,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:06,732 INFO L225 Difference]: With dead ends: 2165 [2020-11-09 15:04:06,733 INFO L226 Difference]: Without dead ends: 2165 [2020-11-09 15:04:06,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:04:06,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2020-11-09 15:04:06,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 1659. [2020-11-09 15:04:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1659 states. [2020-11-09 15:04:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 6615 transitions. [2020-11-09 15:04:06,805 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 6615 transitions. Word has length 15 [2020-11-09 15:04:06,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:06,805 INFO L481 AbstractCegarLoop]: Abstraction has 1659 states and 6615 transitions. [2020-11-09 15:04:06,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:04:06,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 6615 transitions. [2020-11-09 15:04:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 15:04:06,807 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:06,807 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:06,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-09 15:04:06,807 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:06,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:06,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1023665988, now seen corresponding path program 1 times [2020-11-09 15:04:06,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:06,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759871114] [2020-11-09 15:04:06,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-09 15:04:06,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759871114] [2020-11-09 15:04:06,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:06,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:06,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [281612070] [2020-11-09 15:04:06,828 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:06,830 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:06,831 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-11-09 15:04:06,831 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:06,832 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:06,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:06,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:06,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:06,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:06,833 INFO L87 Difference]: Start difference. First operand 1659 states and 6615 transitions. Second operand 3 states. [2020-11-09 15:04:06,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:06,895 INFO L93 Difference]: Finished difference Result 2295 states and 9088 transitions. [2020-11-09 15:04:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:06,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-09 15:04:06,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:06,908 INFO L225 Difference]: With dead ends: 2295 [2020-11-09 15:04:06,908 INFO L226 Difference]: Without dead ends: 2295 [2020-11-09 15:04:06,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:06,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2295 states. [2020-11-09 15:04:06,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2295 to 1975. [2020-11-09 15:04:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1975 states. [2020-11-09 15:04:06,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 8000 transitions. [2020-11-09 15:04:06,989 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 8000 transitions. Word has length 17 [2020-11-09 15:04:06,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:06,989 INFO L481 AbstractCegarLoop]: Abstraction has 1975 states and 8000 transitions. [2020-11-09 15:04:06,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:06,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 8000 transitions. [2020-11-09 15:04:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 15:04:06,992 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:06,992 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:06,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-09 15:04:06,992 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:06,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:06,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1668872297, now seen corresponding path program 1 times [2020-11-09 15:04:06,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:06,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868441208] [2020-11-09 15:04:06,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-09 15:04:07,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868441208] [2020-11-09 15:04:07,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:07,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:04:07,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1838538966] [2020-11-09 15:04:07,022 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:07,024 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:07,027 INFO L252 McrAutomatonBuilder]: Finished intersection with 26 states and 31 transitions. [2020-11-09 15:04:07,027 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:07,027 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:07,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:04:07,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:07,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:04:07,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:04:07,029 INFO L87 Difference]: Start difference. First operand 1975 states and 8000 transitions. Second operand 4 states. [2020-11-09 15:04:07,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:07,074 INFO L93 Difference]: Finished difference Result 1655 states and 6592 transitions. [2020-11-09 15:04:07,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:07,074 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-11-09 15:04:07,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:07,085 INFO L225 Difference]: With dead ends: 1655 [2020-11-09 15:04:07,085 INFO L226 Difference]: Without dead ends: 1655 [2020-11-09 15:04:07,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:04:07,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2020-11-09 15:04:07,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1335. [2020-11-09 15:04:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2020-11-09 15:04:07,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 5184 transitions. [2020-11-09 15:04:07,145 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 5184 transitions. Word has length 18 [2020-11-09 15:04:07,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:07,145 INFO L481 AbstractCegarLoop]: Abstraction has 1335 states and 5184 transitions. [2020-11-09 15:04:07,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:04:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 5184 transitions. [2020-11-09 15:04:07,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 15:04:07,147 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:07,147 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:07,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-11-09 15:04:07,148 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:07,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:07,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1669005965, now seen corresponding path program 1 times [2020-11-09 15:04:07,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:07,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788531387] [2020-11-09 15:04:07,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:04:07,160 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:04:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:04:07,168 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:04:07,174 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 15:04:07,174 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 15:04:07,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-11-09 15:04:07,175 WARN L386 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 15:04:07,175 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-11-09 15:04:07,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,186 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,186 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,186 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:07,224 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:04:07,224 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-09 15:04:07,225 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:04:07,225 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:04:07,225 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:04:07,225 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:04:07,225 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:04:07,225 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:04:07,225 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:04:07,226 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:04:07,227 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:04:07,227 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 90 transitions, 240 flow [2020-11-09 15:04:07,227 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 90 transitions, 240 flow [2020-11-09 15:04:07,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 90 transitions, 240 flow [2020-11-09 15:04:07,247 INFO L129 PetriNetUnfolder]: 7/143 cut-off events. [2020-11-09 15:04:07,248 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-11-09 15:04:07,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 143 events. 7/143 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 142. Up to 14 conditions per place. [2020-11-09 15:04:07,256 INFO L116 LiptonReduction]: Number of co-enabled transitions 4500 [2020-11-09 15:04:09,252 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-11-09 15:04:09,406 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-11-09 15:04:09,706 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-09 15:04:09,929 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-09 15:04:10,008 INFO L131 LiptonReduction]: Checked pairs total: 7923 [2020-11-09 15:04:10,009 INFO L133 LiptonReduction]: Total number of compositions: 62 [2020-11-09 15:04:10,009 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 29 transitions, 118 flow [2020-11-09 15:04:14,132 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 25940 states. [2020-11-09 15:04:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 25940 states. [2020-11-09 15:04:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 15:04:14,133 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:14,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 15:04:14,133 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:14,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:14,134 INFO L82 PathProgramCache]: Analyzing trace with hash 772774311, now seen corresponding path program 1 times [2020-11-09 15:04:14,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:14,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442368038] [2020-11-09 15:04:14,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:04:14,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442368038] [2020-11-09 15:04:14,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:14,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:14,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [42754645] [2020-11-09 15:04:14,160 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:14,160 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:14,161 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 15:04:14,161 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:14,161 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:14,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:14,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:14,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:14,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:14,162 INFO L87 Difference]: Start difference. First operand 25940 states. Second operand 3 states. [2020-11-09 15:04:14,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:14,545 INFO L93 Difference]: Finished difference Result 30660 states and 153869 transitions. [2020-11-09 15:04:14,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:14,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 15:04:14,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:14,749 INFO L225 Difference]: With dead ends: 30660 [2020-11-09 15:04:14,749 INFO L226 Difference]: Without dead ends: 30660 [2020-11-09 15:04:14,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:16,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30660 states. [2020-11-09 15:04:17,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30660 to 25560. [2020-11-09 15:04:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25560 states. [2020-11-09 15:04:18,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25560 states to 25560 states and 131665 transitions. [2020-11-09 15:04:18,299 INFO L78 Accepts]: Start accepts. Automaton has 25560 states and 131665 transitions. Word has length 5 [2020-11-09 15:04:18,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:18,299 INFO L481 AbstractCegarLoop]: Abstraction has 25560 states and 131665 transitions. [2020-11-09 15:04:18,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 25560 states and 131665 transitions. [2020-11-09 15:04:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 15:04:18,299 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:18,299 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:18,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-11-09 15:04:18,300 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:18,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:18,304 INFO L82 PathProgramCache]: Analyzing trace with hash 561057662, now seen corresponding path program 1 times [2020-11-09 15:04:18,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:18,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351155197] [2020-11-09 15:04:18,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:18,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:04:18,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351155197] [2020-11-09 15:04:18,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:18,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:18,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [109738948] [2020-11-09 15:04:18,368 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:18,368 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:18,369 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 15:04:18,369 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:18,369 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:18,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:18,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:18,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:18,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:18,370 INFO L87 Difference]: Start difference. First operand 25560 states and 131665 transitions. Second operand 3 states. [2020-11-09 15:04:18,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:18,941 INFO L93 Difference]: Finished difference Result 36927 states and 186525 transitions. [2020-11-09 15:04:18,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:18,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 15:04:18,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:19,235 INFO L225 Difference]: With dead ends: 36927 [2020-11-09 15:04:19,235 INFO L226 Difference]: Without dead ends: 36927 [2020-11-09 15:04:19,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:21,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36927 states. [2020-11-09 15:04:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36927 to 30580. [2020-11-09 15:04:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30580 states. [2020-11-09 15:04:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30580 states to 30580 states and 158564 transitions. [2020-11-09 15:04:22,274 INFO L78 Accepts]: Start accepts. Automaton has 30580 states and 158564 transitions. Word has length 8 [2020-11-09 15:04:22,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:22,274 INFO L481 AbstractCegarLoop]: Abstraction has 30580 states and 158564 transitions. [2020-11-09 15:04:22,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:22,274 INFO L276 IsEmpty]: Start isEmpty. Operand 30580 states and 158564 transitions. [2020-11-09 15:04:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:04:22,274 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:22,274 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:22,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-11-09 15:04:22,274 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:22,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:22,275 INFO L82 PathProgramCache]: Analyzing trace with hash 239581270, now seen corresponding path program 1 times [2020-11-09 15:04:22,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:22,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620957472] [2020-11-09 15:04:22,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:04:22,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620957472] [2020-11-09 15:04:22,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:22,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:04:22,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [253607371] [2020-11-09 15:04:22,316 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:22,317 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:22,318 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:04:22,318 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:22,322 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:22,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:04:22,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:22,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:04:22,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:04:22,323 INFO L87 Difference]: Start difference. First operand 30580 states and 158564 transitions. Second operand 4 states. [2020-11-09 15:04:22,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:22,946 INFO L93 Difference]: Finished difference Result 24233 states and 124256 transitions. [2020-11-09 15:04:22,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:22,947 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:04:22,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:23,060 INFO L225 Difference]: With dead ends: 24233 [2020-11-09 15:04:23,060 INFO L226 Difference]: Without dead ends: 24233 [2020-11-09 15:04:23,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:04:24,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24233 states. [2020-11-09 15:04:24,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24233 to 19165. [2020-11-09 15:04:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19165 states. [2020-11-09 15:04:24,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19165 states to 19165 states and 97114 transitions. [2020-11-09 15:04:24,705 INFO L78 Accepts]: Start accepts. Automaton has 19165 states and 97114 transitions. Word has length 9 [2020-11-09 15:04:24,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:24,705 INFO L481 AbstractCegarLoop]: Abstraction has 19165 states and 97114 transitions. [2020-11-09 15:04:24,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:04:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 19165 states and 97114 transitions. [2020-11-09 15:04:24,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:04:24,706 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:24,706 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:24,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-11-09 15:04:24,706 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:24,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:24,706 INFO L82 PathProgramCache]: Analyzing trace with hash 212921000, now seen corresponding path program 1 times [2020-11-09 15:04:24,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:24,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562858911] [2020-11-09 15:04:24,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:24,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:04:24,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562858911] [2020-11-09 15:04:24,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:24,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:04:24,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [224437282] [2020-11-09 15:04:24,733 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:24,734 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:24,735 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:04:24,735 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:24,735 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:24,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:04:24,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:24,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:04:24,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:04:24,736 INFO L87 Difference]: Start difference. First operand 19165 states and 97114 transitions. Second operand 4 states. [2020-11-09 15:04:25,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:25,223 INFO L93 Difference]: Finished difference Result 15344 states and 76976 transitions. [2020-11-09 15:04:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:25,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:04:25,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:25,406 INFO L225 Difference]: With dead ends: 15344 [2020-11-09 15:04:25,406 INFO L226 Difference]: Without dead ends: 15344 [2020-11-09 15:04:25,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:04:26,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15344 states. [2020-11-09 15:04:26,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15344 to 11523. [2020-11-09 15:04:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11523 states. [2020-11-09 15:04:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11523 states to 11523 states and 56838 transitions. [2020-11-09 15:04:26,648 INFO L78 Accepts]: Start accepts. Automaton has 11523 states and 56838 transitions. Word has length 9 [2020-11-09 15:04:26,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:26,648 INFO L481 AbstractCegarLoop]: Abstraction has 11523 states and 56838 transitions. [2020-11-09 15:04:26,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:04:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 11523 states and 56838 transitions. [2020-11-09 15:04:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 15:04:26,649 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:26,649 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:26,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-11-09 15:04:26,649 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:26,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:26,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1686221150, now seen corresponding path program 1 times [2020-11-09 15:04:26,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:26,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437031844] [2020-11-09 15:04:26,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-09 15:04:26,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437031844] [2020-11-09 15:04:26,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:26,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:26,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1537760490] [2020-11-09 15:04:26,677 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:26,678 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:26,679 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-11-09 15:04:26,679 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:26,679 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:26,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:26,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:26,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:26,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:26,680 INFO L87 Difference]: Start difference. First operand 11523 states and 56838 transitions. Second operand 3 states. [2020-11-09 15:04:27,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:27,073 INFO L93 Difference]: Finished difference Result 17226 states and 83578 transitions. [2020-11-09 15:04:27,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:27,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-09 15:04:27,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:27,166 INFO L225 Difference]: With dead ends: 17226 [2020-11-09 15:04:27,166 INFO L226 Difference]: Without dead ends: 17226 [2020-11-09 15:04:27,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:27,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17226 states. [2020-11-09 15:04:28,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17226 to 14368. [2020-11-09 15:04:28,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14368 states. [2020-11-09 15:04:28,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 71601 transitions. [2020-11-09 15:04:28,150 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 71601 transitions. Word has length 11 [2020-11-09 15:04:28,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:28,150 INFO L481 AbstractCegarLoop]: Abstraction has 14368 states and 71601 transitions. [2020-11-09 15:04:28,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 71601 transitions. [2020-11-09 15:04:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 15:04:28,150 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:28,151 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:28,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-11-09 15:04:28,151 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:28,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:28,151 INFO L82 PathProgramCache]: Analyzing trace with hash -733245136, now seen corresponding path program 1 times [2020-11-09 15:04:28,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:28,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547331863] [2020-11-09 15:04:28,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-09 15:04:28,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547331863] [2020-11-09 15:04:28,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:28,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:04:28,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1744025090] [2020-11-09 15:04:28,181 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:28,182 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:28,183 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 25 transitions. [2020-11-09 15:04:28,183 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:28,184 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:28,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:04:28,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:28,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:04:28,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:04:28,185 INFO L87 Difference]: Start difference. First operand 14368 states and 71601 transitions. Second operand 4 states. [2020-11-09 15:04:28,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:28,590 INFO L93 Difference]: Finished difference Result 11510 states and 56766 transitions. [2020-11-09 15:04:28,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:28,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 15:04:28,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:28,735 INFO L225 Difference]: With dead ends: 11510 [2020-11-09 15:04:28,736 INFO L226 Difference]: Without dead ends: 11510 [2020-11-09 15:04:28,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:04:28,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11510 states. [2020-11-09 15:04:29,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11510 to 8652. [2020-11-09 15:04:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8652 states. [2020-11-09 15:04:29,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8652 states to 8652 states and 41931 transitions. [2020-11-09 15:04:29,164 INFO L78 Accepts]: Start accepts. Automaton has 8652 states and 41931 transitions. Word has length 12 [2020-11-09 15:04:29,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:29,164 INFO L481 AbstractCegarLoop]: Abstraction has 8652 states and 41931 transitions. [2020-11-09 15:04:29,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:04:29,164 INFO L276 IsEmpty]: Start isEmpty. Operand 8652 states and 41931 transitions. [2020-11-09 15:04:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 15:04:29,164 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:29,164 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:29,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-11-09 15:04:29,165 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:29,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:29,165 INFO L82 PathProgramCache]: Analyzing trace with hash -415106635, now seen corresponding path program 1 times [2020-11-09 15:04:29,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:29,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655063937] [2020-11-09 15:04:29,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 15:04:29,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655063937] [2020-11-09 15:04:29,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:29,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:29,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [429395181] [2020-11-09 15:04:29,188 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:29,189 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:29,190 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-11-09 15:04:29,190 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:29,190 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:29,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:29,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:29,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:29,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:29,191 INFO L87 Difference]: Start difference. First operand 8652 states and 41931 transitions. Second operand 3 states. [2020-11-09 15:04:29,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:29,523 INFO L93 Difference]: Finished difference Result 12888 states and 61498 transitions. [2020-11-09 15:04:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:29,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-09 15:04:29,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:29,573 INFO L225 Difference]: With dead ends: 12888 [2020-11-09 15:04:29,573 INFO L226 Difference]: Without dead ends: 12888 [2020-11-09 15:04:29,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:29,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12888 states. [2020-11-09 15:04:30,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12888 to 10765. [2020-11-09 15:04:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10765 states. [2020-11-09 15:04:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10765 states to 10765 states and 52746 transitions. [2020-11-09 15:04:30,314 INFO L78 Accepts]: Start accepts. Automaton has 10765 states and 52746 transitions. Word has length 14 [2020-11-09 15:04:30,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:30,314 INFO L481 AbstractCegarLoop]: Abstraction has 10765 states and 52746 transitions. [2020-11-09 15:04:30,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:30,314 INFO L276 IsEmpty]: Start isEmpty. Operand 10765 states and 52746 transitions. [2020-11-09 15:04:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 15:04:30,315 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:30,329 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:30,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-11-09 15:04:30,331 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:30,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:30,331 INFO L82 PathProgramCache]: Analyzing trace with hash 16599465, now seen corresponding path program 1 times [2020-11-09 15:04:30,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:30,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261075604] [2020-11-09 15:04:30,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 15:04:30,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261075604] [2020-11-09 15:04:30,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:30,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:04:30,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [392546245] [2020-11-09 15:04:30,386 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:30,388 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:30,389 INFO L252 McrAutomatonBuilder]: Finished intersection with 26 states and 34 transitions. [2020-11-09 15:04:30,390 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:30,390 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:30,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:04:30,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:30,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:04:30,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:04:30,391 INFO L87 Difference]: Start difference. First operand 10765 states and 52746 transitions. Second operand 4 states. [2020-11-09 15:04:30,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:30,494 INFO L93 Difference]: Finished difference Result 8642 states and 41871 transitions. [2020-11-09 15:04:30,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:30,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-09 15:04:30,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:30,523 INFO L225 Difference]: With dead ends: 8642 [2020-11-09 15:04:30,523 INFO L226 Difference]: Without dead ends: 8642 [2020-11-09 15:04:30,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:04:30,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8642 states. [2020-11-09 15:04:30,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8642 to 6519. [2020-11-09 15:04:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6519 states. [2020-11-09 15:04:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6519 states to 6519 states and 30996 transitions. [2020-11-09 15:04:30,796 INFO L78 Accepts]: Start accepts. Automaton has 6519 states and 30996 transitions. Word has length 15 [2020-11-09 15:04:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:30,796 INFO L481 AbstractCegarLoop]: Abstraction has 6519 states and 30996 transitions. [2020-11-09 15:04:30,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:04:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 6519 states and 30996 transitions. [2020-11-09 15:04:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 15:04:30,797 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:30,797 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:30,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-11-09 15:04:30,797 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:30,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:30,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1363398960, now seen corresponding path program 1 times [2020-11-09 15:04:30,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:30,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127094286] [2020-11-09 15:04:30,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-09 15:04:30,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127094286] [2020-11-09 15:04:30,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:30,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:30,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1570916732] [2020-11-09 15:04:30,822 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:30,823 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:30,825 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-11-09 15:04:30,825 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:30,825 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:30,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:30,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:30,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:30,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:30,826 INFO L87 Difference]: Start difference. First operand 6519 states and 30996 transitions. Second operand 3 states. [2020-11-09 15:04:30,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:30,940 INFO L93 Difference]: Finished difference Result 9576 states and 44989 transitions. [2020-11-09 15:04:30,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:30,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-09 15:04:30,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:30,976 INFO L225 Difference]: With dead ends: 9576 [2020-11-09 15:04:30,977 INFO L226 Difference]: Without dead ends: 9576 [2020-11-09 15:04:30,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:31,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9576 states. [2020-11-09 15:04:31,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9576 to 8044. [2020-11-09 15:04:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8044 states. [2020-11-09 15:04:31,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 38736 transitions. [2020-11-09 15:04:31,473 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 38736 transitions. Word has length 17 [2020-11-09 15:04:31,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:31,474 INFO L481 AbstractCegarLoop]: Abstraction has 8044 states and 38736 transitions. [2020-11-09 15:04:31,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:31,474 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 38736 transitions. [2020-11-09 15:04:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 15:04:31,476 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:31,476 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:31,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-11-09 15:04:31,476 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:31,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:31,477 INFO L82 PathProgramCache]: Analyzing trace with hash 684308700, now seen corresponding path program 1 times [2020-11-09 15:04:31,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:31,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415689463] [2020-11-09 15:04:31,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:31,502 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-09 15:04:31,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415689463] [2020-11-09 15:04:31,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:31,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:04:31,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [77566337] [2020-11-09 15:04:31,503 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:31,504 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:31,506 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 25 transitions. [2020-11-09 15:04:31,507 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:31,507 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:31,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:04:31,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:31,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:04:31,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:04:31,508 INFO L87 Difference]: Start difference. First operand 8044 states and 38736 transitions. Second operand 4 states. [2020-11-09 15:04:31,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:31,605 INFO L93 Difference]: Finished difference Result 6512 states and 30951 transitions. [2020-11-09 15:04:31,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:31,605 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-11-09 15:04:31,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:31,634 INFO L225 Difference]: With dead ends: 6512 [2020-11-09 15:04:31,634 INFO L226 Difference]: Without dead ends: 6512 [2020-11-09 15:04:31,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:04:31,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6512 states. [2020-11-09 15:04:31,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6512 to 4980. [2020-11-09 15:04:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4980 states. [2020-11-09 15:04:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4980 states to 4980 states and 23166 transitions. [2020-11-09 15:04:32,033 INFO L78 Accepts]: Start accepts. Automaton has 4980 states and 23166 transitions. Word has length 18 [2020-11-09 15:04:32,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:32,033 INFO L481 AbstractCegarLoop]: Abstraction has 4980 states and 23166 transitions. [2020-11-09 15:04:32,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:04:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 4980 states and 23166 transitions. [2020-11-09 15:04:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-09 15:04:32,039 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:32,039 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:32,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-11-09 15:04:32,041 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:32,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:32,042 INFO L82 PathProgramCache]: Analyzing trace with hash 350501423, now seen corresponding path program 1 times [2020-11-09 15:04:32,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:32,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345978284] [2020-11-09 15:04:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:04:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-09 15:04:32,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345978284] [2020-11-09 15:04:32,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:04:32,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:04:32,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1935943781] [2020-11-09 15:04:32,079 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:04:32,081 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:04:32,082 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-11-09 15:04:32,082 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:04:32,082 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:04:32,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:04:32,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:04:32,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:04:32,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:32,083 INFO L87 Difference]: Start difference. First operand 4980 states and 23166 transitions. Second operand 3 states. [2020-11-09 15:04:32,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:04:32,173 INFO L93 Difference]: Finished difference Result 6912 states and 31999 transitions. [2020-11-09 15:04:32,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:04:32,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-09 15:04:32,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:04:32,203 INFO L225 Difference]: With dead ends: 6912 [2020-11-09 15:04:32,203 INFO L226 Difference]: Without dead ends: 6912 [2020-11-09 15:04:32,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:04:32,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6912 states. [2020-11-09 15:04:32,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6912 to 5944. [2020-11-09 15:04:32,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5944 states. [2020-11-09 15:04:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5944 states to 5944 states and 28053 transitions. [2020-11-09 15:04:32,414 INFO L78 Accepts]: Start accepts. Automaton has 5944 states and 28053 transitions. Word has length 20 [2020-11-09 15:04:32,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:04:32,415 INFO L481 AbstractCegarLoop]: Abstraction has 5944 states and 28053 transitions. [2020-11-09 15:04:32,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:04:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 5944 states and 28053 transitions. [2020-11-09 15:04:32,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 15:04:32,419 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:04:32,419 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:04:32,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-11-09 15:04:32,419 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:04:32,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:04:32,420 INFO L82 PathProgramCache]: Analyzing trace with hash -2019503382, now seen corresponding path program 1 times [2020-11-09 15:04:32,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:04:32,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922397266] [2020-11-09 15:04:32,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:04:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:04:32,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:04:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:04:32,444 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:04:32,450 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 15:04:32,451 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 15:04:32,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-11-09 15:04:32,451 WARN L386 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 15:04:32,451 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2020-11-09 15:04:32,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,495 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,495 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,496 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,496 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,496 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,497 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,497 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,498 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,498 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,498 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:04:32,506 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:04:32,507 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-11-09 15:04:32,507 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:04:32,507 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:04:32,508 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:04:32,508 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:04:32,508 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:04:32,508 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:04:32,508 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:04:32,508 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:04:32,509 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:04:32,509 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 101 transitions, 279 flow [2020-11-09 15:04:32,509 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 101 transitions, 279 flow [2020-11-09 15:04:32,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 101 transitions, 279 flow [2020-11-09 15:04:32,531 INFO L129 PetriNetUnfolder]: 8/163 cut-off events. [2020-11-09 15:04:32,531 INFO L130 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2020-11-09 15:04:32,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 163 events. 8/163 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 431 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 170. Up to 16 conditions per place. [2020-11-09 15:04:32,540 INFO L116 LiptonReduction]: Number of co-enabled transitions 6020 [2020-11-09 15:04:35,161 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 15:04:35,481 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-09 15:04:35,731 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-09 15:04:35,801 INFO L131 LiptonReduction]: Checked pairs total: 10631 [2020-11-09 15:04:35,801 INFO L133 LiptonReduction]: Total number of compositions: 69 [2020-11-09 15:04:35,802 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 33 transitions, 143 flow [2020-11-09 15:05:27,689 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 103764 states. [2020-11-09 15:05:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 103764 states. [2020-11-09 15:05:27,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 15:05:27,690 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:05:27,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 15:05:27,690 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:05:27,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:05:27,691 INFO L82 PathProgramCache]: Analyzing trace with hash 945525817, now seen corresponding path program 1 times [2020-11-09 15:05:27,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:05:27,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083431683] [2020-11-09 15:05:27,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:05:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:05:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:05:27,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083431683] [2020-11-09 15:05:27,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:05:27,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:05:27,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [364724393] [2020-11-09 15:05:27,711 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:05:27,711 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:05:27,711 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 15:05:27,711 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:05:27,712 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:05:27,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:05:27,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:05:27,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:05:27,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:05:27,712 INFO L87 Difference]: Start difference. First operand 103764 states. Second operand 3 states. [2020-11-09 15:05:29,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:05:29,901 INFO L93 Difference]: Finished difference Result 122811 states and 708293 transitions. [2020-11-09 15:05:29,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:05:29,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 15:05:29,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:05:31,264 INFO L225 Difference]: With dead ends: 122811 [2020-11-09 15:05:31,264 INFO L226 Difference]: Without dead ends: 122811 [2020-11-09 15:05:31,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:05:43,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122811 states. [2020-11-09 15:05:47,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122811 to 102354. [2020-11-09 15:05:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102354 states. [2020-11-09 15:05:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102354 states to 102354 states and 603935 transitions. [2020-11-09 15:05:49,052 INFO L78 Accepts]: Start accepts. Automaton has 102354 states and 603935 transitions. Word has length 5 [2020-11-09 15:05:49,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:05:49,053 INFO L481 AbstractCegarLoop]: Abstraction has 102354 states and 603935 transitions. [2020-11-09 15:05:49,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:05:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 102354 states and 603935 transitions. [2020-11-09 15:05:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 15:05:49,053 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:05:49,053 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:05:49,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-11-09 15:05:49,054 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:05:49,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:05:49,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1608031998, now seen corresponding path program 1 times [2020-11-09 15:05:49,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:05:49,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352029948] [2020-11-09 15:05:49,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:05:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:05:49,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:05:49,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352029948] [2020-11-09 15:05:49,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:05:49,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:05:49,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1921904894] [2020-11-09 15:05:49,098 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:05:49,098 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:05:49,099 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 15:05:49,099 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:05:49,100 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:05:49,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:05:49,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:05:49,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:05:49,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:05:49,101 INFO L87 Difference]: Start difference. First operand 102354 states and 603935 transitions. Second operand 3 states. [2020-11-09 15:05:51,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:05:51,786 INFO L93 Difference]: Finished difference Result 148254 states and 859795 transitions. [2020-11-09 15:05:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:05:51,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 15:05:51,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:05:53,599 INFO L225 Difference]: With dead ends: 148254 [2020-11-09 15:05:53,599 INFO L226 Difference]: Without dead ends: 148254 [2020-11-09 15:05:53,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:06:06,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148254 states. [2020-11-09 15:06:12,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148254 to 122716. [2020-11-09 15:06:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122716 states. [2020-11-09 15:06:15,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122716 states to 122716 states and 728220 transitions. [2020-11-09 15:06:15,455 INFO L78 Accepts]: Start accepts. Automaton has 122716 states and 728220 transitions. Word has length 8 [2020-11-09 15:06:15,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:06:15,456 INFO L481 AbstractCegarLoop]: Abstraction has 122716 states and 728220 transitions. [2020-11-09 15:06:15,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:06:15,456 INFO L276 IsEmpty]: Start isEmpty. Operand 122716 states and 728220 transitions. [2020-11-09 15:06:15,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:06:15,456 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:06:15,456 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:06:15,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-11-09 15:06:15,457 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:06:15,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:06:15,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1690612045, now seen corresponding path program 1 times [2020-11-09 15:06:15,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:06:15,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934354348] [2020-11-09 15:06:15,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:06:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:06:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:06:15,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934354348] [2020-11-09 15:06:15,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:06:15,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:06:15,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1975051748] [2020-11-09 15:06:15,610 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:06:15,611 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:06:15,612 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:06:15,612 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:06:15,612 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:06:15,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:06:15,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:06:15,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:06:15,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:06:15,613 INFO L87 Difference]: Start difference. First operand 122716 states and 728220 transitions. Second operand 4 states. [2020-11-09 15:06:17,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:06:17,806 INFO L93 Difference]: Finished difference Result 97178 states and 571107 transitions. [2020-11-09 15:06:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:06:17,807 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:06:17,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:06:19,538 INFO L225 Difference]: With dead ends: 97178 [2020-11-09 15:06:19,539 INFO L226 Difference]: Without dead ends: 97178 [2020-11-09 15:06:19,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:06:28,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97178 states. [2020-11-09 15:06:31,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97178 to 76759. [2020-11-09 15:06:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76759 states. [2020-11-09 15:06:32,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76759 states to 76759 states and 446504 transitions. [2020-11-09 15:06:32,131 INFO L78 Accepts]: Start accepts. Automaton has 76759 states and 446504 transitions. Word has length 9 [2020-11-09 15:06:32,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:06:32,131 INFO L481 AbstractCegarLoop]: Abstraction has 76759 states and 446504 transitions. [2020-11-09 15:06:32,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:06:32,131 INFO L276 IsEmpty]: Start isEmpty. Operand 76759 states and 446504 transitions. [2020-11-09 15:06:32,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 15:06:32,131 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:06:32,132 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:06:32,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-11-09 15:06:32,132 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:06:32,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:06:32,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1690610195, now seen corresponding path program 1 times [2020-11-09 15:06:32,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:06:32,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588950667] [2020-11-09 15:06:32,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:06:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:06:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 15:06:32,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588950667] [2020-11-09 15:06:32,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:06:32,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:06:32,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2112793930] [2020-11-09 15:06:32,155 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:06:32,156 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:06:32,158 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 15:06:32,158 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:06:32,161 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:06:32,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:06:32,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:06:32,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:06:32,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:06:32,162 INFO L87 Difference]: Start difference. First operand 76759 states and 446504 transitions. Second operand 4 states. [2020-11-09 15:06:33,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:06:33,299 INFO L93 Difference]: Finished difference Result 61421 states and 354199 transitions. [2020-11-09 15:06:33,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:06:33,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-09 15:06:33,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:06:33,739 INFO L225 Difference]: With dead ends: 61421 [2020-11-09 15:06:33,739 INFO L226 Difference]: Without dead ends: 61421 [2020-11-09 15:06:33,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:06:38,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61421 states. [2020-11-09 15:06:41,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61421 to 46083. [2020-11-09 15:06:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46083 states. [2020-11-09 15:06:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46083 states to 46083 states and 261894 transitions. [2020-11-09 15:06:41,400 INFO L78 Accepts]: Start accepts. Automaton has 46083 states and 261894 transitions. Word has length 9 [2020-11-09 15:06:41,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:06:41,401 INFO L481 AbstractCegarLoop]: Abstraction has 46083 states and 261894 transitions. [2020-11-09 15:06:41,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:06:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 46083 states and 261894 transitions. [2020-11-09 15:06:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 15:06:41,401 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:06:41,401 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-11-09 15:06:41,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-11-09 15:06:41,401 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:06:41,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:06:41,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1338472360, now seen corresponding path program 1 times [2020-11-09 15:06:41,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:06:41,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664508193] [2020-11-09 15:06:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:06:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:06:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-09 15:06:41,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664508193] [2020-11-09 15:06:41,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:06:41,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:06:41,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1885413065] [2020-11-09 15:06:41,424 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:06:41,425 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:06:41,426 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-11-09 15:06:41,426 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:06:41,426 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:06:41,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:06:41,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:06:41,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:06:41,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:06:41,427 INFO L87 Difference]: Start difference. First operand 46083 states and 261894 transitions. Second operand 3 states. [2020-11-09 15:06:42,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:06:42,785 INFO L93 Difference]: Finished difference Result 69057 states and 386770 transitions. [2020-11-09 15:06:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:06:42,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-09 15:06:42,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:06:43,800 INFO L225 Difference]: With dead ends: 69057 [2020-11-09 15:06:43,801 INFO L226 Difference]: Without dead ends: 69057 [2020-11-09 15:06:43,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:06:48,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69057 states. [2020-11-09 15:06:49,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69057 to 57562. [2020-11-09 15:06:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57562 states. [2020-11-09 15:06:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57562 states to 57562 states and 330031 transitions. [2020-11-09 15:06:50,329 INFO L78 Accepts]: Start accepts. Automaton has 57562 states and 330031 transitions. Word has length 11 [2020-11-09 15:06:50,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:06:50,329 INFO L481 AbstractCegarLoop]: Abstraction has 57562 states and 330031 transitions. [2020-11-09 15:06:50,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:06:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 57562 states and 330031 transitions. [2020-11-09 15:06:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 15:06:50,330 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:06:50,330 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:06:50,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-11-09 15:06:50,330 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:06:50,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:06:50,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1457033907, now seen corresponding path program 1 times [2020-11-09 15:06:50,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:06:50,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877635208] [2020-11-09 15:06:50,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:06:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:06:50,365 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-09 15:06:50,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877635208] [2020-11-09 15:06:50,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:06:50,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:06:50,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1418598148] [2020-11-09 15:06:50,366 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:06:50,367 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:06:50,368 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 19 transitions. [2020-11-09 15:06:50,368 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:06:50,369 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:06:50,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:06:50,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:06:50,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:06:50,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:06:50,370 INFO L87 Difference]: Start difference. First operand 57562 states and 330031 transitions. Second operand 4 states. [2020-11-09 15:06:51,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:06:51,408 INFO L93 Difference]: Finished difference Result 46067 states and 261797 transitions. [2020-11-09 15:06:51,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:06:51,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 15:06:51,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:06:51,618 INFO L225 Difference]: With dead ends: 46067 [2020-11-09 15:06:51,619 INFO L226 Difference]: Without dead ends: 46067 [2020-11-09 15:06:51,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:06:54,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46067 states. [2020-11-09 15:06:55,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46067 to 34572. [2020-11-09 15:06:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34572 states. [2020-11-09 15:06:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34572 states to 34572 states and 193563 transitions. [2020-11-09 15:06:55,487 INFO L78 Accepts]: Start accepts. Automaton has 34572 states and 193563 transitions. Word has length 12 [2020-11-09 15:06:55,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:06:55,487 INFO L481 AbstractCegarLoop]: Abstraction has 34572 states and 193563 transitions. [2020-11-09 15:06:55,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:06:55,487 INFO L276 IsEmpty]: Start isEmpty. Operand 34572 states and 193563 transitions. [2020-11-09 15:06:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 15:06:55,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:06:55,488 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:06:55,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-11-09 15:06:55,488 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:06:55,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:06:55,488 INFO L82 PathProgramCache]: Analyzing trace with hash -102067714, now seen corresponding path program 1 times [2020-11-09 15:06:55,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:06:55,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272764929] [2020-11-09 15:06:55,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:06:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:06:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 15:06:55,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272764929] [2020-11-09 15:06:55,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:06:55,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:06:55,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1843644040] [2020-11-09 15:06:55,514 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:06:55,515 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:06:55,516 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-11-09 15:06:55,516 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:06:55,517 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:06:55,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:06:55,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:06:55,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:06:55,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:06:55,518 INFO L87 Difference]: Start difference. First operand 34572 states and 193563 transitions. Second operand 3 states. [2020-11-09 15:06:56,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:06:56,631 INFO L93 Difference]: Finished difference Result 51759 states and 285634 transitions. [2020-11-09 15:06:56,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:06:56,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-09 15:06:56,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:06:56,890 INFO L225 Difference]: With dead ends: 51759 [2020-11-09 15:06:56,890 INFO L226 Difference]: Without dead ends: 51759 [2020-11-09 15:06:56,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:06:59,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51759 states. [2020-11-09 15:07:00,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51759 to 43159. [2020-11-09 15:07:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43159 states. [2020-11-09 15:07:01,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43159 states to 43159 states and 243856 transitions. [2020-11-09 15:07:01,632 INFO L78 Accepts]: Start accepts. Automaton has 43159 states and 243856 transitions. Word has length 14 [2020-11-09 15:07:01,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:07:01,632 INFO L481 AbstractCegarLoop]: Abstraction has 43159 states and 243856 transitions. [2020-11-09 15:07:01,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:07:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 43159 states and 243856 transitions. [2020-11-09 15:07:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 15:07:01,633 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:07:01,633 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:07:01,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-11-09 15:07:01,633 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:07:01,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:07:01,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1130872383, now seen corresponding path program 1 times [2020-11-09 15:07:01,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:07:01,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101148606] [2020-11-09 15:07:01,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:07:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:07:01,806 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 15:07:01,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101148606] [2020-11-09 15:07:01,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:07:01,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:07:01,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [726337084] [2020-11-09 15:07:01,807 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:07:01,808 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:07:01,810 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 22 transitions. [2020-11-09 15:07:01,810 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:07:01,810 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:07:01,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:07:01,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:07:01,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:07:01,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:07:01,818 INFO L87 Difference]: Start difference. First operand 43159 states and 243856 transitions. Second operand 4 states. [2020-11-09 15:07:02,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:07:02,275 INFO L93 Difference]: Finished difference Result 34559 states and 193478 transitions. [2020-11-09 15:07:02,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:07:02,276 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-09 15:07:02,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:07:02,422 INFO L225 Difference]: With dead ends: 34559 [2020-11-09 15:07:02,422 INFO L226 Difference]: Without dead ends: 34559 [2020-11-09 15:07:02,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:07:04,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34559 states. [2020-11-09 15:07:05,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34559 to 25959. [2020-11-09 15:07:05,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25959 states. [2020-11-09 15:07:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25959 states to 25959 states and 143100 transitions. [2020-11-09 15:07:05,228 INFO L78 Accepts]: Start accepts. Automaton has 25959 states and 143100 transitions. Word has length 15 [2020-11-09 15:07:05,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:07:05,228 INFO L481 AbstractCegarLoop]: Abstraction has 25959 states and 143100 transitions. [2020-11-09 15:07:05,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:07:05,228 INFO L276 IsEmpty]: Start isEmpty. Operand 25959 states and 143100 transitions. [2020-11-09 15:07:05,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 15:07:05,229 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:07:05,229 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:07:05,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-11-09 15:07:05,229 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:07:05,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:07:05,230 INFO L82 PathProgramCache]: Analyzing trace with hash -18802310, now seen corresponding path program 1 times [2020-11-09 15:07:05,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:07:05,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97972930] [2020-11-09 15:07:05,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:07:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:07:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-09 15:07:05,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97972930] [2020-11-09 15:07:05,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:07:05,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:07:05,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [105730786] [2020-11-09 15:07:05,260 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:07:05,261 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:07:05,263 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-11-09 15:07:05,263 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:07:05,263 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:07:05,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:07:05,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:07:05,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:07:05,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:07:05,264 INFO L87 Difference]: Start difference. First operand 25959 states and 143100 transitions. Second operand 3 states. [2020-11-09 15:07:06,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:07:06,048 INFO L93 Difference]: Finished difference Result 38727 states and 210643 transitions. [2020-11-09 15:07:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:07:06,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-09 15:07:06,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:07:06,217 INFO L225 Difference]: With dead ends: 38727 [2020-11-09 15:07:06,217 INFO L226 Difference]: Without dead ends: 38727 [2020-11-09 15:07:06,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:07:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38727 states. [2020-11-09 15:07:08,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38727 to 32338. [2020-11-09 15:07:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32338 states. [2020-11-09 15:07:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32338 states to 32338 states and 180031 transitions. [2020-11-09 15:07:08,997 INFO L78 Accepts]: Start accepts. Automaton has 32338 states and 180031 transitions. Word has length 17 [2020-11-09 15:07:08,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:07:08,997 INFO L481 AbstractCegarLoop]: Abstraction has 32338 states and 180031 transitions. [2020-11-09 15:07:08,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:07:08,997 INFO L276 IsEmpty]: Start isEmpty. Operand 32338 states and 180031 transitions. [2020-11-09 15:07:08,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 15:07:08,999 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:07:08,999 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:07:08,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-11-09 15:07:08,999 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:07:08,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:07:08,999 INFO L82 PathProgramCache]: Analyzing trace with hash -582866510, now seen corresponding path program 1 times [2020-11-09 15:07:09,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:07:09,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101290980] [2020-11-09 15:07:09,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:07:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:07:09,026 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-09 15:07:09,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101290980] [2020-11-09 15:07:09,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:07:09,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:07:09,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1136761070] [2020-11-09 15:07:09,027 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:07:09,029 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:07:09,384 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 25 transitions. [2020-11-09 15:07:09,384 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:07:09,384 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:07:09,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:07:09,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:07:09,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:07:09,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:07:09,385 INFO L87 Difference]: Start difference. First operand 32338 states and 180031 transitions. Second operand 4 states. [2020-11-09 15:07:09,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:07:09,868 INFO L93 Difference]: Finished difference Result 25949 states and 143030 transitions. [2020-11-09 15:07:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:07:09,868 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-11-09 15:07:09,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:07:09,975 INFO L225 Difference]: With dead ends: 25949 [2020-11-09 15:07:09,975 INFO L226 Difference]: Without dead ends: 25949 [2020-11-09 15:07:09,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:07:11,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25949 states. [2020-11-09 15:07:11,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25949 to 19560. [2020-11-09 15:07:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19560 states. Received shutdown request... [2020-11-09 15:07:12,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-11-09 15:07:12,442 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 15:07:12,451 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 15:07:12,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:07:12 BasicIcfg [2020-11-09 15:07:12,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 15:07:12,459 INFO L168 Benchmark]: Toolchain (without parser) took 206640.67 ms. Allocated memory was 151.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 124.8 MB in the beginning and 4.1 GB in the end (delta: -4.0 GB). Peak memory consumption was 4.2 GB. Max. memory is 8.0 GB. [2020-11-09 15:07:12,459 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:07:12,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.42 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 130.0 MB in the end (delta: -5.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 8.0 GB. [2020-11-09 15:07:12,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.74 ms. Allocated memory is still 151.0 MB. Free memory was 130.0 MB in the beginning and 128.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 15:07:12,464 INFO L168 Benchmark]: Boogie Preprocessor took 28.08 ms. Allocated memory is still 151.0 MB. Free memory was 128.0 MB in the beginning and 127.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 15:07:12,464 INFO L168 Benchmark]: RCFGBuilder took 516.89 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 107.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-11-09 15:07:12,464 INFO L168 Benchmark]: TraceAbstraction took 205365.04 ms. Allocated memory was 151.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 107.1 MB in the beginning and 4.1 GB in the end (delta: -4.0 GB). Peak memory consumption was 4.2 GB. Max. memory is 8.0 GB. [2020-11-09 15:07:12,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 658.42 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 130.0 MB in the end (delta: -5.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 57.74 ms. Allocated memory is still 151.0 MB. Free memory was 130.0 MB in the beginning and 128.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.08 ms. Allocated memory is still 151.0 MB. Free memory was 128.0 MB in the beginning and 127.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 516.89 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 107.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 205365.04 ms. Allocated memory was 151.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 107.1 MB in the beginning and 4.1 GB in the end (delta: -4.0 GB). Peak memory consumption was 4.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 103 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 2 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.7s, 37 PlacesBefore, 11 PlacesAfterwards, 35 TransitionsBefore, 8 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 31 TotalNumberOfCompositions, 184 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 320 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 30 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 50 PlacesBefore, 18 PlacesAfterwards, 46 TransitionsBefore, 13 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 34 TotalNumberOfCompositions, 951 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 600 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 35 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 63 PlacesBefore, 24 PlacesAfterwards, 57 TransitionsBefore, 17 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 41 TotalNumberOfCompositions, 2034 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1045 VarBasedMoverChecksPositive, 28 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 75 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.2s, 76 PlacesBefore, 30 PlacesAfterwards, 68 TransitionsBefore, 21 TransitionsAfterwards, 2120 CoEnabledTransitionPairs, 4 FixpointIterations, 13 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 48 TotalNumberOfCompositions, 3264 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1538 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 114 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 89 PlacesBefore, 36 PlacesAfterwards, 79 TransitionsBefore, 25 TransitionsAfterwards, 3200 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 55 TotalNumberOfCompositions, 4995 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2158 VarBasedMoverChecksPositive, 47 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 98 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.7s, 102 PlacesBefore, 42 PlacesAfterwards, 90 TransitionsBefore, 29 TransitionsAfterwards, 4500 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 62 TotalNumberOfCompositions, 7923 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3040 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 226 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.2s, 115 PlacesBefore, 48 PlacesAfterwards, 101 TransitionsBefore, 33 TransitionsAfterwards, 6020 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 69 TotalNumberOfCompositions, 10631 MoverChecksTotal - TimeoutResultAtElement [Line: 15]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 15). Cancelled while ReachableStatesComputation was computing reachable states (18095 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 7 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 204.9s, OverallIterations: 54, TraceHistogramMax: 7, AutomataDifference: 27.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 74.3s, HoareTripleCheckerStatistics: 1432 SDtfs, 967 SDslu, 747 SDs, 0 SdLazy, 1091 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122716occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 99.6s AutomataMinimizationTime, 48 MinimizatonAttempts, 172667 StatesRemovedByMinimization, 46 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 603 NumberOfCodeBlocks, 603 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 474 ConstructedInterpolants, 0 QuantifiedInterpolants, 7058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 48 PerfectInterpolantSequences, 405/405 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown !SESSION 2020-11-09 15:03:42.211 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.8 java.vendor=AdoptOpenJDK BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_GB Framework arguments: -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i Command-line arguments: -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i !ENTRY org.eclipse.osgi 4 0 2020-11-09 15:07:12.751 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07ca23b6/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07ca23b6/.metadata/.log.