/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 16:38:14,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 16:38:14,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 16:38:14,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-21 16:38:14,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-21 16:38:14,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-21 16:38:14,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-21 16:38:14,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-21 16:38:14,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-21 16:38:14,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-21 16:38:14,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-21 16:38:14,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-21 16:38:14,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-21 16:38:14,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-21 16:38:14,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-21 16:38:14,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-21 16:38:14,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-21 16:38:14,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-21 16:38:14,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-21 16:38:14,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-21 16:38:14,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-21 16:38:14,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-21 16:38:14,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-21 16:38:14,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-21 16:38:14,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-21 16:38:14,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 16:38:14,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 16:38:14,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 16:38:14,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-08-21 16:38:14,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 16:38:14,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 16:38:14,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 16:38:14,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 16:38:14,292 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 16:38:14,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 16:38:14,293 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 16:38:14,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 16:38:14,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 16:38:14,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 16:38:14,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 16:38:14,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 16:38:14,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 16:38:14,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 16:38:14,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 16:38:14,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 16:38:14,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 16:38:14,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 16:38:14,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 16:38:14,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 16:38:14,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 16:38:14,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 16:38:14,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 16:38:14,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 16:38:14,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 16:38:14,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 16:38:14,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 16:38:14,296 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 16:38:14,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 16:38:14,296 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-08-21 16:38:14,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 16:38:14,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 16:38:14,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 16:38:14,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 16:38:14,603 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-21 16:38:14,604 INFO L275 PluginConnector]: CDTParser initialized [2021-08-21 16:38:14,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2021-08-21 16:38:14,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8d17254/24bc50c377124c039f594ea976be8411/FLAG4eb70b329 [2021-08-21 16:38:15,177 INFO L306 CDTParser]: Found 1 translation units. [2021-08-21 16:38:15,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2021-08-21 16:38:15,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8d17254/24bc50c377124c039f594ea976be8411/FLAG4eb70b329 [2021-08-21 16:38:15,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8d17254/24bc50c377124c039f594ea976be8411 [2021-08-21 16:38:15,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 16:38:15,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-21 16:38:15,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-21 16:38:15,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-21 16:38:15,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-21 16:38:15,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:38:15" (1/1) ... [2021-08-21 16:38:15,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e63853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:15, skipping insertion in model container [2021-08-21 16:38:15,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:38:15" (1/1) ... [2021-08-21 16:38:15,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-21 16:38:15,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-21 16:38:15,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542] [2021-08-21 16:38:15,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 16:38:15,921 INFO L203 MainTranslator]: Completed pre-run [2021-08-21 16:38:15,969 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542] [2021-08-21 16:38:15,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 16:38:16,038 INFO L208 MainTranslator]: Completed translation [2021-08-21 16:38:16,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16 WrapperNode [2021-08-21 16:38:16,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-21 16:38:16,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 16:38:16,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 16:38:16,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 16:38:16,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (1/1) ... [2021-08-21 16:38:16,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (1/1) ... [2021-08-21 16:38:16,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 16:38:16,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 16:38:16,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 16:38:16,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 16:38:16,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (1/1) ... [2021-08-21 16:38:16,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (1/1) ... [2021-08-21 16:38:16,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (1/1) ... [2021-08-21 16:38:16,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (1/1) ... [2021-08-21 16:38:16,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (1/1) ... [2021-08-21 16:38:16,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (1/1) ... [2021-08-21 16:38:16,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (1/1) ... [2021-08-21 16:38:16,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 16:38:16,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 16:38:16,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 16:38:16,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 16:38:16,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (1/1) ... [2021-08-21 16:38:16,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 16:38:16,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:38:16,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-21 16:38:16,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-21 16:38:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-08-21 16:38:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-08-21 16:38:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-08-21 16:38:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-08-21 16:38:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-21 16:38:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-21 16:38:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-21 16:38:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-21 16:38:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-21 16:38:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-21 16:38:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 16:38:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 16:38:16,253 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 16:38:16,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 16:38:16,737 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-08-21 16:38:16,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:38:16 BoogieIcfgContainer [2021-08-21 16:38:16,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 16:38:16,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 16:38:16,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 16:38:16,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 16:38:16,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:38:15" (1/3) ... [2021-08-21 16:38:16,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1515dc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:38:16, skipping insertion in model container [2021-08-21 16:38:16,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:38:16" (2/3) ... [2021-08-21 16:38:16,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1515dc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:38:16, skipping insertion in model container [2021-08-21 16:38:16,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:38:16" (3/3) ... [2021-08-21 16:38:16,745 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2021-08-21 16:38:16,749 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 16:38:16,750 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 16:38:16,750 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-21 16:38:16,750 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 16:38:16,805 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,806 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,806 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,806 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,806 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,808 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,808 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,808 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,809 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,809 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,810 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,810 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,810 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,811 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,811 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,812 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,812 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,812 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,814 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,814 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,814 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,814 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,815 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,815 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,815 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,815 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,816 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,816 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,816 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,817 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,820 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,820 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,821 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,821 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,821 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,821 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,822 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,823 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,825 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,831 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,831 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,831 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,831 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,831 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,831 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,832 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,832 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,833 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,833 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,834 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,834 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,834 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,834 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,834 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,835 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,835 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,835 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,835 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,835 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,835 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,835 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,835 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,836 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,836 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,836 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,836 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,836 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,836 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,836 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,839 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,839 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,839 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,839 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,840 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,840 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,840 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,840 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,841 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,841 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,841 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,841 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,843 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,843 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,843 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,843 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,844 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,844 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,844 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,844 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,845 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,845 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,845 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,845 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,846 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,846 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,846 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,846 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,846 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,846 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,847 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,847 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,847 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,847 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,856 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,857 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,857 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,857 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,857 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,857 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,857 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,857 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,859 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,860 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,860 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,860 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,863 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,864 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,864 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,864 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,864 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,864 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,864 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,864 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,864 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,864 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,865 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,865 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,865 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,865 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,865 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,865 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,865 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,865 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,872 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,872 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,872 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,873 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,873 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,873 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,873 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,873 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,873 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,873 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,873 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,874 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,874 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,874 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,874 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,874 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,874 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,874 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,874 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,875 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,875 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,875 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,875 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:38:16,887 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-21 16:38:16,931 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 16:38:16,939 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-21 16:38:16,939 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-21 16:38:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 8266 states, 7847 states have (on average 1.405505288645342) internal successors, (11029), 8265 states have internal predecessors, (11029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-21 16:38:17,627 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:17,628 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:17,628 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:38:17,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:17,634 INFO L82 PathProgramCache]: Analyzing trace with hash -228230897, now seen corresponding path program 1 times [2021-08-21 16:38:17,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:17,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939527934] [2021-08-21 16:38:17,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:17,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:17,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:17,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939527934] [2021-08-21 16:38:17,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939527934] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:38:17,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:38:17,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 16:38:17,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994768633] [2021-08-21 16:38:17,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 16:38:17,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:17,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 16:38:17,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:38:17,976 INFO L87 Difference]: Start difference. First operand has 8266 states, 7847 states have (on average 1.405505288645342) internal successors, (11029), 8265 states have internal predecessors, (11029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:18,085 INFO L93 Difference]: Finished difference Result 11457 states and 14298 transitions. [2021-08-21 16:38:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 16:38:18,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-08-21 16:38:18,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:18,141 INFO L225 Difference]: With dead ends: 11457 [2021-08-21 16:38:18,141 INFO L226 Difference]: Without dead ends: 9896 [2021-08-21 16:38:18,142 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:38:18,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9896 states. [2021-08-21 16:38:18,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9896 to 9326. [2021-08-21 16:38:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9326 states, 9145 states have (on average 1.3405139420448333) internal successors, (12259), 9325 states have internal predecessors, (12259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9326 states to 9326 states and 12259 transitions. [2021-08-21 16:38:18,449 INFO L78 Accepts]: Start accepts. Automaton has 9326 states and 12259 transitions. Word has length 53 [2021-08-21 16:38:18,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:18,450 INFO L470 AbstractCegarLoop]: Abstraction has 9326 states and 12259 transitions. [2021-08-21 16:38:18,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:18,453 INFO L276 IsEmpty]: Start isEmpty. Operand 9326 states and 12259 transitions. [2021-08-21 16:38:18,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-08-21 16:38:18,460 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:18,460 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:18,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 16:38:18,461 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:38:18,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:18,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1789543597, now seen corresponding path program 1 times [2021-08-21 16:38:18,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:18,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505943342] [2021-08-21 16:38:18,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:18,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:18,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:18,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505943342] [2021-08-21 16:38:18,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505943342] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:38:18,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:38:18,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 16:38:18,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309873636] [2021-08-21 16:38:18,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 16:38:18,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:18,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 16:38:18,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 16:38:18,619 INFO L87 Difference]: Start difference. First operand 9326 states and 12259 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:18,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:18,759 INFO L93 Difference]: Finished difference Result 13995 states and 18375 transitions. [2021-08-21 16:38:18,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 16:38:18,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-08-21 16:38:18,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:18,878 INFO L225 Difference]: With dead ends: 13995 [2021-08-21 16:38:18,879 INFO L226 Difference]: Without dead ends: 13995 [2021-08-21 16:38:18,879 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 16:38:18,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13995 states. [2021-08-21 16:38:19,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13995 to 9920. [2021-08-21 16:38:19,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9920 states, 9739 states have (on average 1.3410001026799465) internal successors, (13060), 9919 states have internal predecessors, (13060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9920 states to 9920 states and 13060 transitions. [2021-08-21 16:38:19,159 INFO L78 Accepts]: Start accepts. Automaton has 9920 states and 13060 transitions. Word has length 63 [2021-08-21 16:38:19,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:19,160 INFO L470 AbstractCegarLoop]: Abstraction has 9920 states and 13060 transitions. [2021-08-21 16:38:19,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 9920 states and 13060 transitions. [2021-08-21 16:38:19,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-08-21 16:38:19,167 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:19,167 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:19,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 16:38:19,168 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:38:19,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:19,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1709899747, now seen corresponding path program 1 times [2021-08-21 16:38:19,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:19,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000749138] [2021-08-21 16:38:19,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:19,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:19,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:19,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000749138] [2021-08-21 16:38:19,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000749138] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:38:19,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:38:19,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 16:38:19,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625523880] [2021-08-21 16:38:19,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 16:38:19,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:19,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 16:38:19,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:38:19,255 INFO L87 Difference]: Start difference. First operand 9920 states and 13060 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:19,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:19,351 INFO L93 Difference]: Finished difference Result 15477 states and 20079 transitions. [2021-08-21 16:38:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 16:38:19,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-08-21 16:38:19,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:19,398 INFO L225 Difference]: With dead ends: 15477 [2021-08-21 16:38:19,398 INFO L226 Difference]: Without dead ends: 15477 [2021-08-21 16:38:19,399 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:38:19,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15477 states. [2021-08-21 16:38:19,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15477 to 14395. [2021-08-21 16:38:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14395 states, 14214 states have (on average 1.325946250175883) internal successors, (18847), 14394 states have internal predecessors, (18847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14395 states to 14395 states and 18847 transitions. [2021-08-21 16:38:19,763 INFO L78 Accepts]: Start accepts. Automaton has 14395 states and 18847 transitions. Word has length 81 [2021-08-21 16:38:19,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:19,763 INFO L470 AbstractCegarLoop]: Abstraction has 14395 states and 18847 transitions. [2021-08-21 16:38:19,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 14395 states and 18847 transitions. [2021-08-21 16:38:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-08-21 16:38:19,772 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:19,772 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:19,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 16:38:19,773 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:38:19,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:19,773 INFO L82 PathProgramCache]: Analyzing trace with hash -54462006, now seen corresponding path program 1 times [2021-08-21 16:38:19,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:19,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418764759] [2021-08-21 16:38:19,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:19,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:19,876 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:19,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:19,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418764759] [2021-08-21 16:38:19,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418764759] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:19,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677261346] [2021-08-21 16:38:19,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:19,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:19,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:38:19,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:38:19,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-21 16:38:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:20,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-21 16:38:20,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:38:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:20,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677261346] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:20,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:38:20,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-21 16:38:20,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506902986] [2021-08-21 16:38:20,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 16:38:20,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:20,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 16:38:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-21 16:38:20,544 INFO L87 Difference]: Start difference. First operand 14395 states and 18847 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:20,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:20,768 INFO L93 Difference]: Finished difference Result 21324 states and 27387 transitions. [2021-08-21 16:38:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-21 16:38:20,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-08-21 16:38:20,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:20,821 INFO L225 Difference]: With dead ends: 21324 [2021-08-21 16:38:20,822 INFO L226 Difference]: Without dead ends: 21196 [2021-08-21 16:38:20,822 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 76.3ms TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2021-08-21 16:38:20,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21196 states. [2021-08-21 16:38:21,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21196 to 16976. [2021-08-21 16:38:21,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16976 states, 16795 states have (on average 1.3333134861565943) internal successors, (22393), 16975 states have internal predecessors, (22393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16976 states to 16976 states and 22393 transitions. [2021-08-21 16:38:21,252 INFO L78 Accepts]: Start accepts. Automaton has 16976 states and 22393 transitions. Word has length 88 [2021-08-21 16:38:21,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:21,252 INFO L470 AbstractCegarLoop]: Abstraction has 16976 states and 22393 transitions. [2021-08-21 16:38:21,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:21,253 INFO L276 IsEmpty]: Start isEmpty. Operand 16976 states and 22393 transitions. [2021-08-21 16:38:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-08-21 16:38:21,262 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:21,262 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:21,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-21 16:38:21,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:21,485 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:38:21,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:21,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1170938073, now seen corresponding path program 1 times [2021-08-21 16:38:21,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:21,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569564027] [2021-08-21 16:38:21,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:21,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:21,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:21,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:21,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569564027] [2021-08-21 16:38:21,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569564027] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:38:21,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:38:21,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 16:38:21,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949429578] [2021-08-21 16:38:21,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 16:38:21,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:21,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 16:38:21,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:38:21,567 INFO L87 Difference]: Start difference. First operand 16976 states and 22393 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:21,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:21,599 INFO L93 Difference]: Finished difference Result 5864 states and 6981 transitions. [2021-08-21 16:38:21,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 16:38:21,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-08-21 16:38:21,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:21,606 INFO L225 Difference]: With dead ends: 5864 [2021-08-21 16:38:21,607 INFO L226 Difference]: Without dead ends: 3383 [2021-08-21 16:38:21,607 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:38:21,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3383 states. [2021-08-21 16:38:21,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3383 to 2839. [2021-08-21 16:38:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2794 states have (on average 1.2168933428775948) internal successors, (3400), 2838 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:21,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3400 transitions. [2021-08-21 16:38:21,709 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3400 transitions. Word has length 91 [2021-08-21 16:38:21,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:21,710 INFO L470 AbstractCegarLoop]: Abstraction has 2839 states and 3400 transitions. [2021-08-21 16:38:21,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:21,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3400 transitions. [2021-08-21 16:38:21,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-08-21 16:38:21,718 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:21,718 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:21,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-21 16:38:21,719 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:38:21,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:21,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1585571275, now seen corresponding path program 1 times [2021-08-21 16:38:21,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:21,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385899118] [2021-08-21 16:38:21,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:21,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:22,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:22,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385899118] [2021-08-21 16:38:22,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385899118] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:38:22,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:38:22,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-08-21 16:38:22,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703728508] [2021-08-21 16:38:22,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-21 16:38:22,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:22,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-21 16:38:22,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2021-08-21 16:38:22,588 INFO L87 Difference]: Start difference. First operand 2839 states and 3400 transitions. Second operand has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:24,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:24,872 INFO L93 Difference]: Finished difference Result 7647 states and 9274 transitions. [2021-08-21 16:38:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-21 16:38:24,872 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-08-21 16:38:24,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:24,886 INFO L225 Difference]: With dead ends: 7647 [2021-08-21 16:38:24,886 INFO L226 Difference]: Without dead ends: 6807 [2021-08-21 16:38:24,887 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 1797.7ms TimeCoverageRelationStatistics Valid=408, Invalid=1572, Unknown=0, NotChecked=0, Total=1980 [2021-08-21 16:38:24,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6807 states. [2021-08-21 16:38:24,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6807 to 3879. [2021-08-21 16:38:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3879 states, 3834 states have (on average 1.217266562336985) internal successors, (4667), 3878 states have internal predecessors, (4667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:24,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 3879 states and 4667 transitions. [2021-08-21 16:38:24,954 INFO L78 Accepts]: Start accepts. Automaton has 3879 states and 4667 transitions. Word has length 98 [2021-08-21 16:38:24,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:24,955 INFO L470 AbstractCegarLoop]: Abstraction has 3879 states and 4667 transitions. [2021-08-21 16:38:24,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 4667 transitions. [2021-08-21 16:38:24,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-08-21 16:38:24,961 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:24,961 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:24,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-21 16:38:24,962 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:38:24,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:24,962 INFO L82 PathProgramCache]: Analyzing trace with hash 442539787, now seen corresponding path program 2 times [2021-08-21 16:38:24,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:24,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24269851] [2021-08-21 16:38:24,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:24,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:25,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:25,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24269851] [2021-08-21 16:38:25,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24269851] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:25,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426690714] [2021-08-21 16:38:25,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 16:38:25,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:25,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:38:25,081 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:38:25,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-21 16:38:25,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 16:38:25,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:38:25,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-21 16:38:25,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:38:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:25,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426690714] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:25,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:38:25,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-08-21 16:38:25,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322683135] [2021-08-21 16:38:25,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-21 16:38:25,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:25,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-21 16:38:25,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-21 16:38:25,795 INFO L87 Difference]: Start difference. First operand 3879 states and 4667 transitions. Second operand has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:25,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:25,912 INFO L93 Difference]: Finished difference Result 5760 states and 7018 transitions. [2021-08-21 16:38:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-21 16:38:25,913 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-08-21 16:38:25,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:25,922 INFO L225 Difference]: With dead ends: 5760 [2021-08-21 16:38:25,922 INFO L226 Difference]: Without dead ends: 5760 [2021-08-21 16:38:25,923 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 70.4ms TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2021-08-21 16:38:25,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5760 states. [2021-08-21 16:38:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5760 to 4355. [2021-08-21 16:38:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4355 states, 4310 states have (on average 1.2122969837587008) internal successors, (5225), 4354 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 5225 transitions. [2021-08-21 16:38:26,032 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 5225 transitions. Word has length 122 [2021-08-21 16:38:26,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:26,032 INFO L470 AbstractCegarLoop]: Abstraction has 4355 states and 5225 transitions. [2021-08-21 16:38:26,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 5225 transitions. [2021-08-21 16:38:26,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-08-21 16:38:26,040 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:26,040 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:26,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-21 16:38:26,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-08-21 16:38:26,264 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:38:26,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:26,265 INFO L82 PathProgramCache]: Analyzing trace with hash -724888833, now seen corresponding path program 1 times [2021-08-21 16:38:26,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:26,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245084145] [2021-08-21 16:38:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:26,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:26,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:26,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245084145] [2021-08-21 16:38:26,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245084145] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:26,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910315762] [2021-08-21 16:38:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:26,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:26,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:38:26,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:38:26,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-21 16:38:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:26,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-21 16:38:26,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:38:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-21 16:38:27,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910315762] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:38:27,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-21 16:38:27,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2021-08-21 16:38:27,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768564207] [2021-08-21 16:38:27,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 16:38:27,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:27,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 16:38:27,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-08-21 16:38:27,039 INFO L87 Difference]: Start difference. First operand 4355 states and 5225 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:27,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:27,133 INFO L93 Difference]: Finished difference Result 5762 states and 6902 transitions. [2021-08-21 16:38:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-21 16:38:27,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-08-21 16:38:27,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:27,142 INFO L225 Difference]: With dead ends: 5762 [2021-08-21 16:38:27,142 INFO L226 Difference]: Without dead ends: 5654 [2021-08-21 16:38:27,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 51.5ms TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-08-21 16:38:27,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5654 states. [2021-08-21 16:38:27,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5654 to 5115. [2021-08-21 16:38:27,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 5070 states have (on average 1.2248520710059172) internal successors, (6210), 5114 states have internal predecessors, (6210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:27,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 6210 transitions. [2021-08-21 16:38:27,220 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 6210 transitions. Word has length 123 [2021-08-21 16:38:27,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:27,221 INFO L470 AbstractCegarLoop]: Abstraction has 5115 states and 6210 transitions. [2021-08-21 16:38:27,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:27,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 6210 transitions. [2021-08-21 16:38:27,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-08-21 16:38:27,231 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:27,231 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:27,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-21 16:38:27,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:27,451 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:38:27,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:27,451 INFO L82 PathProgramCache]: Analyzing trace with hash -268885420, now seen corresponding path program 1 times [2021-08-21 16:38:27,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:27,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765441721] [2021-08-21 16:38:27,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:27,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:28,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:28,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765441721] [2021-08-21 16:38:28,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765441721] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:28,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454521706] [2021-08-21 16:38:28,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:28,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:28,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:38:28,514 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:38:28,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-21 16:38:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:28,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 58 conjunts are in the unsatisfiable core [2021-08-21 16:38:28,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:38:30,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 66 [2021-08-21 16:38:31,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2021-08-21 16:38:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:31,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454521706] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:31,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:38:31,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 49 [2021-08-21 16:38:31,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288698206] [2021-08-21 16:38:31,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-08-21 16:38:31,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:31,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-08-21 16:38:31,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2202, Unknown=0, NotChecked=0, Total=2352 [2021-08-21 16:38:31,906 INFO L87 Difference]: Start difference. First operand 5115 states and 6210 transitions. Second operand has 49 states, 49 states have (on average 5.1020408163265305) internal successors, (250), 49 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:37,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:37,226 INFO L93 Difference]: Finished difference Result 8857 states and 10790 transitions. [2021-08-21 16:38:37,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-21 16:38:37,226 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 5.1020408163265305) internal successors, (250), 49 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-08-21 16:38:37,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:37,235 INFO L225 Difference]: With dead ends: 8857 [2021-08-21 16:38:37,235 INFO L226 Difference]: Without dead ends: 8857 [2021-08-21 16:38:37,236 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 111 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1933 ImplicationChecksByTransitivity, 5186.9ms TimeCoverageRelationStatistics Valid=922, Invalid=7088, Unknown=0, NotChecked=0, Total=8010 [2021-08-21 16:38:37,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8857 states. [2021-08-21 16:38:37,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8857 to 6314. [2021-08-21 16:38:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6314 states, 6269 states have (on average 1.2271494656245014) internal successors, (7693), 6313 states have internal predecessors, (7693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6314 states to 6314 states and 7693 transitions. [2021-08-21 16:38:37,319 INFO L78 Accepts]: Start accepts. Automaton has 6314 states and 7693 transitions. Word has length 132 [2021-08-21 16:38:37,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:37,320 INFO L470 AbstractCegarLoop]: Abstraction has 6314 states and 7693 transitions. [2021-08-21 16:38:37,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.1020408163265305) internal successors, (250), 49 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:38:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 6314 states and 7693 transitions. [2021-08-21 16:38:37,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-08-21 16:38:37,331 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:37,331 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:37,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-21 16:38:37,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:37,553 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:38:37,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:37,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1110655946, now seen corresponding path program 2 times [2021-08-21 16:38:37,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:37,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250497539] [2021-08-21 16:38:37,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:37,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:38,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:38,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250497539] [2021-08-21 16:38:38,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250497539] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:38,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521447848] [2021-08-21 16:38:38,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 16:38:38,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:38,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:38:38,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:38:38,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-21 16:38:39,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-21 16:38:39,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:38:39,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 60 conjunts are in the unsatisfiable core [2021-08-21 16:38:39,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:38:39,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-21 16:38:39,170 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-08-21 16:38:39,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-08-21 16:38:39,368 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-08-21 16:38:39,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 37 [2021-08-21 16:38:39,494 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-08-21 16:38:39,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 37 [2021-08-21 16:38:40,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 66 [2021-08-21 16:38:40,551 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-08-21 16:38:40,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 42 [2021-08-21 16:38:41,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-08-21 16:38:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-21 16:38:41,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521447848] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:41,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:38:41,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 52 [2021-08-21 16:38:41,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062722049] [2021-08-21 16:38:41,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2021-08-21 16:38:41,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:41,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-08-21 16:38:41,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=2512, Unknown=0, NotChecked=0, Total=2652 [2021-08-21 16:38:41,658 INFO L87 Difference]: Start difference. First operand 6314 states and 7693 transitions. Second operand has 52 states, 52 states have (on average 4.769230769230769) internal successors, (248), 52 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:07,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:39:07,048 INFO L93 Difference]: Finished difference Result 16622 states and 20327 transitions. [2021-08-21 16:39:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-08-21 16:39:07,049 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 4.769230769230769) internal successors, (248), 52 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-08-21 16:39:07,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:39:07,064 INFO L225 Difference]: With dead ends: 16622 [2021-08-21 16:39:07,064 INFO L226 Difference]: Without dead ends: 15734 [2021-08-21 16:39:07,070 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11973 ImplicationChecksByTransitivity, 24621.4ms TimeCoverageRelationStatistics Valid=4346, Invalid=31944, Unknown=0, NotChecked=0, Total=36290 [2021-08-21 16:39:07,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15734 states. [2021-08-21 16:39:07,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15734 to 6311. [2021-08-21 16:39:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6311 states, 6266 states have (on average 1.2283753590807533) internal successors, (7697), 6310 states have internal predecessors, (7697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 7697 transitions. [2021-08-21 16:39:07,197 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 7697 transitions. Word has length 132 [2021-08-21 16:39:07,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:39:07,197 INFO L470 AbstractCegarLoop]: Abstraction has 6311 states and 7697 transitions. [2021-08-21 16:39:07,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.769230769230769) internal successors, (248), 52 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 7697 transitions. [2021-08-21 16:39:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-08-21 16:39:07,207 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:39:07,207 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:39:07,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-21 16:39:07,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-21 16:39:07,432 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:39:07,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:39:07,432 INFO L82 PathProgramCache]: Analyzing trace with hash -522210292, now seen corresponding path program 3 times [2021-08-21 16:39:07,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:39:07,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24348009] [2021-08-21 16:39:07,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:39:07,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:39:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:39:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:39:07,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:39:07,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24348009] [2021-08-21 16:39:07,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24348009] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:39:07,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324660669] [2021-08-21 16:39:07,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 16:39:07,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:39:07,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:39:07,553 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:39:07,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-21 16:39:08,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-21 16:39:08,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:39:08,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-21 16:39:08,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:39:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:39:08,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324660669] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:39:08,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:39:08,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-08-21 16:39:08,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889404935] [2021-08-21 16:39:08,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-21 16:39:08,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:39:08,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-21 16:39:08,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-08-21 16:39:08,605 INFO L87 Difference]: Start difference. First operand 6311 states and 7697 transitions. Second operand has 11 states, 11 states have (on average 18.454545454545453) internal successors, (203), 11 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:08,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:39:08,743 INFO L93 Difference]: Finished difference Result 8859 states and 10849 transitions. [2021-08-21 16:39:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 16:39:08,744 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 18.454545454545453) internal successors, (203), 11 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 156 [2021-08-21 16:39:08,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:39:08,752 INFO L225 Difference]: With dead ends: 8859 [2021-08-21 16:39:08,752 INFO L226 Difference]: Without dead ends: 8859 [2021-08-21 16:39:08,752 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 89.8ms TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2021-08-21 16:39:08,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8859 states. [2021-08-21 16:39:08,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8859 to 6923. [2021-08-21 16:39:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6923 states, 6878 states have (on average 1.2236115149752835) internal successors, (8416), 6922 states have internal predecessors, (8416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6923 states to 6923 states and 8416 transitions. [2021-08-21 16:39:08,841 INFO L78 Accepts]: Start accepts. Automaton has 6923 states and 8416 transitions. Word has length 156 [2021-08-21 16:39:08,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:39:08,841 INFO L470 AbstractCegarLoop]: Abstraction has 6923 states and 8416 transitions. [2021-08-21 16:39:08,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.454545454545453) internal successors, (203), 11 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 6923 states and 8416 transitions. [2021-08-21 16:39:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-08-21 16:39:08,852 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:39:08,852 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:39:08,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-21 16:39:09,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:39:09,083 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:39:09,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:39:09,083 INFO L82 PathProgramCache]: Analyzing trace with hash 347079710, now seen corresponding path program 2 times [2021-08-21 16:39:09,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:39:09,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380838380] [2021-08-21 16:39:09,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:39:09,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:39:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:39:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-21 16:39:09,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:39:09,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380838380] [2021-08-21 16:39:09,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380838380] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:39:09,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401771838] [2021-08-21 16:39:09,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 16:39:09,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:39:09,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:39:09,191 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:39:09,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-21 16:39:09,796 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 16:39:09,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:39:09,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-21 16:39:09,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:39:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-21 16:39:10,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401771838] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:39:10,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:39:10,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-08-21 16:39:10,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532821063] [2021-08-21 16:39:10,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-21 16:39:10,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:39:10,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-21 16:39:10,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-21 16:39:10,251 INFO L87 Difference]: Start difference. First operand 6923 states and 8416 transitions. Second operand has 10 states, 10 states have (on average 19.4) internal successors, (194), 10 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:10,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:39:10,380 INFO L93 Difference]: Finished difference Result 9669 states and 11793 transitions. [2021-08-21 16:39:10,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-21 16:39:10,381 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.4) internal successors, (194), 10 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2021-08-21 16:39:10,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:39:10,391 INFO L225 Difference]: With dead ends: 9669 [2021-08-21 16:39:10,392 INFO L226 Difference]: Without dead ends: 9669 [2021-08-21 16:39:10,392 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 80.3ms TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-08-21 16:39:10,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9669 states. [2021-08-21 16:39:10,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9669 to 8319. [2021-08-21 16:39:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8319 states, 8274 states have (on average 1.2353154459753444) internal successors, (10221), 8318 states have internal predecessors, (10221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8319 states to 8319 states and 10221 transitions. [2021-08-21 16:39:10,495 INFO L78 Accepts]: Start accepts. Automaton has 8319 states and 10221 transitions. Word has length 157 [2021-08-21 16:39:10,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:39:10,496 INFO L470 AbstractCegarLoop]: Abstraction has 8319 states and 10221 transitions. [2021-08-21 16:39:10,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.4) internal successors, (194), 10 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 8319 states and 10221 transitions. [2021-08-21 16:39:10,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-08-21 16:39:10,505 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:39:10,505 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:39:10,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-21 16:39:10,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:39:10,726 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:39:10,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:39:10,727 INFO L82 PathProgramCache]: Analyzing trace with hash 2117673446, now seen corresponding path program 1 times [2021-08-21 16:39:10,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:39:10,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222610264] [2021-08-21 16:39:10,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:39:10,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:39:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:39:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:39:12,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:39:12,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222610264] [2021-08-21 16:39:12,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222610264] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:39:12,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604353198] [2021-08-21 16:39:12,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:39:12,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:39:12,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:39:12,287 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:39:12,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-21 16:39:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:39:12,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 86 conjunts are in the unsatisfiable core [2021-08-21 16:39:12,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:39:13,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-21 16:39:13,063 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-08-21 16:39:13,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-08-21 16:39:13,338 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-08-21 16:39:13,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 37 [2021-08-21 16:39:13,475 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-08-21 16:39:13,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 37 [2021-08-21 16:39:14,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-08-21 16:39:14,346 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-08-21 16:39:14,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2021-08-21 16:39:15,122 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-08-21 16:39:15,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2021-08-21 16:39:16,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-08-21 16:39:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:39:16,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604353198] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:39:16,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:39:16,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 36] total 63 [2021-08-21 16:39:16,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820427502] [2021-08-21 16:39:16,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-08-21 16:39:16,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:39:16,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-08-21 16:39:16,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=3638, Unknown=0, NotChecked=0, Total=3906 [2021-08-21 16:39:16,674 INFO L87 Difference]: Start difference. First operand 8319 states and 10221 transitions. Second operand has 63 states, 63 states have (on average 4.4603174603174605) internal successors, (281), 63 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:22,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:39:22,719 INFO L93 Difference]: Finished difference Result 16808 states and 20577 transitions. [2021-08-21 16:39:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-08-21 16:39:22,719 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 4.4603174603174605) internal successors, (281), 63 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2021-08-21 16:39:22,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:39:22,736 INFO L225 Difference]: With dead ends: 16808 [2021-08-21 16:39:22,736 INFO L226 Difference]: Without dead ends: 15869 [2021-08-21 16:39:22,739 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 136 SyntacticMatches, 7 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6381 ImplicationChecksByTransitivity, 6091.4ms TimeCoverageRelationStatistics Valid=1528, Invalid=16832, Unknown=0, NotChecked=0, Total=18360 [2021-08-21 16:39:22,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15869 states. [2021-08-21 16:39:22,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15869 to 9843. [2021-08-21 16:39:22,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9843 states, 9798 states have (on average 1.2337211675852215) internal successors, (12088), 9842 states have internal predecessors, (12088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9843 states to 9843 states and 12088 transitions. [2021-08-21 16:39:22,866 INFO L78 Accepts]: Start accepts. Automaton has 9843 states and 12088 transitions. Word has length 161 [2021-08-21 16:39:22,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:39:22,866 INFO L470 AbstractCegarLoop]: Abstraction has 9843 states and 12088 transitions. [2021-08-21 16:39:22,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.4603174603174605) internal successors, (281), 63 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:39:22,867 INFO L276 IsEmpty]: Start isEmpty. Operand 9843 states and 12088 transitions. [2021-08-21 16:39:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-08-21 16:39:22,875 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:39:22,876 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:39:22,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-08-21 16:39:23,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-21 16:39:23,089 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-21 16:39:23,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:39:23,089 INFO L82 PathProgramCache]: Analyzing trace with hash 273132356, now seen corresponding path program 2 times [2021-08-21 16:39:23,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:39:23,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489172222] [2021-08-21 16:39:23,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:39:23,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:39:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:39:25,553 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 16:39:25,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:39:25,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489172222] [2021-08-21 16:39:25,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489172222] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:39:25,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674008063] [2021-08-21 16:39:25,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 16:39:25,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:39:25,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:39:25,554 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:39:25,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-21 16:39:26,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 16:39:26,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:39:26,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 82 conjunts are in the unsatisfiable core [2021-08-21 16:39:26,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:39:26,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-21 16:39:26,567 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-08-21 16:39:26,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-08-21 16:39:26,830 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-08-21 16:39:26,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 37 [2021-08-21 16:39:26,972 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-08-21 16:39:26,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 37 [2021-08-21 16:39:28,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 66 [2021-08-21 16:39:29,422 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-08-21 16:39:29,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 44 [2021-08-21 16:39:29,463 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-08-21 16:39:29,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 38 [2021-08-21 16:39:31,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2021-08-21 16:41:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:41:52,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674008063] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:41:52,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:41:52,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 35] total 70 [2021-08-21 16:41:52,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180562345] [2021-08-21 16:41:52,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-08-21 16:41:52,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:41:52,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-08-21 16:41:52,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=4425, Unknown=66, NotChecked=0, Total=4830 [2021-08-21 16:41:52,939 INFO L87 Difference]: Start difference. First operand 9843 states and 12088 transitions. Second operand has 70 states, 70 states have (on average 4.4) internal successors, (308), 70 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:46:18,583 WARN L207 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-08-21 16:49:49,381 WARN L207 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 100 DAG size of output: 79 [2021-08-21 16:49:57,769 WARN L207 SmtUtils]: Spent 8.20 s on a formula simplification. DAG size of input: 82 DAG size of output: 61 [2021-08-21 16:52:13,021 WARN L207 SmtUtils]: Spent 8.32 s on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-08-21 16:52:24,619 WARN L207 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 101 DAG size of output: 81 Received shutdown request... [2021-08-21 16:52:28,678 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-21 16:52:28,678 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-21 16:52:28,880 WARN L223 SmtUtils]: Removed 18 from assertion stack [2021-08-21 16:52:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-08-21 16:52:28,881 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:52:28,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-21 16:52:29,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-21 16:52:29,082 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (9843states) and FLOYD_HOARE automaton (currently 127 states, 70 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 76 for 2067ms.. [2021-08-21 16:52:29,083 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 16:52:29,083 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 16:52:29,083 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:52:29,084 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:52:29,084 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:52:29,088 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 16:52:29,088 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 16:52:29,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:52:29 BasicIcfg [2021-08-21 16:52:29,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 16:52:29,090 INFO L168 Benchmark]: Toolchain (without parser) took 853624.71 ms. Allocated memory was 189.8 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 153.4 MB in the beginning and 689.6 MB in the end (delta: -536.2 MB). Peak memory consumption was 583.6 MB. Max. memory is 8.0 GB. [2021-08-21 16:52:29,090 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 189.8 MB. Free memory is still 172.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 16:52:29,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.84 ms. Allocated memory is still 189.8 MB. Free memory was 153.2 MB in the beginning and 154.2 MB in the end (delta: -975.1 kB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-21 16:52:29,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.54 ms. Allocated memory is still 189.8 MB. Free memory was 154.2 MB in the beginning and 151.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-21 16:52:29,091 INFO L168 Benchmark]: Boogie Preprocessor took 48.88 ms. Allocated memory is still 189.8 MB. Free memory was 151.5 MB in the beginning and 150.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 16:52:29,091 INFO L168 Benchmark]: RCFGBuilder took 574.79 ms. Allocated memory is still 189.8 MB. Free memory was 149.8 MB in the beginning and 116.9 MB in the end (delta: 32.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2021-08-21 16:52:29,091 INFO L168 Benchmark]: TraceAbstraction took 852349.42 ms. Allocated memory was 189.8 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 116.5 MB in the beginning and 689.6 MB in the end (delta: -573.1 MB). Peak memory consumption was 547.1 MB. Max. memory is 8.0 GB. [2021-08-21 16:52:29,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 189.8 MB. Free memory is still 172.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 572.84 ms. Allocated memory is still 189.8 MB. Free memory was 153.2 MB in the beginning and 154.2 MB in the end (delta: -975.1 kB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 72.54 ms. Allocated memory is still 189.8 MB. Free memory was 154.2 MB in the beginning and 151.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 48.88 ms. Allocated memory is still 189.8 MB. Free memory was 151.5 MB in the beginning and 150.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 574.79 ms. Allocated memory is still 189.8 MB. Free memory was 149.8 MB in the beginning and 116.9 MB in the end (delta: 32.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 852349.42 ms. Allocated memory was 189.8 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 116.5 MB in the beginning and 689.6 MB in the end (delta: -573.1 MB). Peak memory consumption was 547.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19268, positive: 17592, positive conditional: 17592, positive unconditional: 0, negative: 1676, negative conditional: 1676, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17659, positive: 17592, positive conditional: 0, positive unconditional: 17592, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3202, positive: 3185, positive conditional: 0, positive unconditional: 3185, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3202, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17659, positive: 14407, positive conditional: 0, positive unconditional: 14407, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 3202, unknown conditional: 0, unknown unconditional: 3202] , Statistics on independence cache: Total cache size (in pairs): 3202, Positive cache size: 3185, Positive conditional cache size: 0, Positive unconditional cache size: 3185, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Independence queries for same thread: 1609 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (9843states) and FLOYD_HOARE automaton (currently 127 states, 70 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 76 for 2067ms.. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (9843states) and FLOYD_HOARE automaton (currently 127 states, 70 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 76 for 2067ms.. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (9843states) and FLOYD_HOARE automaton (currently 127 states, 70 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 76 for 2067ms.. - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (9843states) and FLOYD_HOARE automaton (currently 127 states, 70 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 76 for 2067ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 230 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 852157.2ms, OverallIterations: 14, TraceHistogramMax: 4, EmptinessCheckTime: 164.4ms, AutomataDifference: 676481.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 633.0ms, PartialOrderReductionTime: 604.8ms, HoareTripleCheckerStatistics: 2850 SDtfs, 14793 SDslu, 39976 SDs, 0 SdLazy, 16280 SolverSat, 768 SolverUnsat, 184 SolverUnknown, 0 SolverNotchecked, 410756.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1873 GetRequests, 1146 SyntacticMatches, 11 SemanticMatches, 715 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33333 ImplicationChecksByTransitivity, 405035.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16976occurred in iteration=4, InterpolantAutomatonStates: 377, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2254.2ms AutomataMinimizationTime, 13 MinimizatonAttempts, 36641 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 241.1ms SsaConstructionTime, 865.5ms SatisfiabilityAnalysisTime, 165798.1ms InterpolantComputationTime, 2850 NumberOfCodeBlocks, 2816 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2827 ConstructedInterpolants, 35 QuantifiedInterpolants, 38224 SizeOfPredicates, 172 NumberOfNonLiveVariables, 2708 ConjunctsInSsa, 318 ConjunctsInUnsatCore, 23 InterpolantComputations, 6 PerfectInterpolantSequences, 121/1008 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