/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-wmm/safe035_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 22:13:28,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 22:13:28,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 22:13:28,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 22:13:28,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 22:13:28,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 22:13:28,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 22:13:28,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 22:13:28,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 22:13:28,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 22:13:28,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 22:13:28,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 22:13:28,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 22:13:28,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 22:13:28,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 22:13:28,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 22:13:28,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 22:13:28,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 22:13:28,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 22:13:28,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 22:13:28,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 22:13:28,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 22:13:28,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 22:13:28,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 22:13:28,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 22:13:28,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 22:13:28,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 22:13:28,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 22:13:28,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 22:13:28,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 22:13:28,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 22:13:28,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 22:13:28,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 22:13:28,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 22:13:28,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 22:13:28,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 22:13:28,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 22:13:28,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 22:13:28,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 22:13:28,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 22:13:28,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 22:13:28,287 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 [2021-07-09 22:13:28,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 22:13:28,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 22:13:28,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 22:13:28,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 22:13:28,320 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 22:13:28,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 22:13:28,320 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 22:13:28,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 22:13:28,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 22:13:28,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 22:13:28,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 22:13:28,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 22:13:28,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 22:13:28,321 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 22:13:28,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 22:13:28,322 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 22:13:28,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 22:13:28,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 22:13:28,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 22:13:28,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 22:13:28,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 22:13:28,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:13:28,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 22:13:28,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 22:13:28,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 22:13:28,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 22:13:28,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 22:13:28,323 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 22:13:28,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 22:13:28,323 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-09 22:13:28,323 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 22:13:28,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 22:13:28,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 22:13:28,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 22:13:28,612 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 22:13:28,612 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 22:13:28,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_power.opt.i [2021-07-09 22:13:28,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dcb6585/ff5f025de5fb419d8ec195364a1c8efa/FLAGf24c4b5e4 [2021-07-09 22:13:29,075 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 22:13:29,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_power.opt.i [2021-07-09 22:13:29,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dcb6585/ff5f025de5fb419d8ec195364a1c8efa/FLAGf24c4b5e4 [2021-07-09 22:13:29,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dcb6585/ff5f025de5fb419d8ec195364a1c8efa [2021-07-09 22:13:29,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 22:13:29,426 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 22:13:29,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 22:13:29,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 22:13:29,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 22:13:29,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:29,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511315e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29, skipping insertion in model container [2021-07-09 22:13:29,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:29,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 22:13:29,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 22:13:29,614 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_power.opt.i[951,964] [2021-07-09 22:13:29,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:13:29,831 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 22:13:29,848 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_power.opt.i[951,964] [2021-07-09 22:13:29,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:13:29,933 INFO L208 MainTranslator]: Completed translation [2021-07-09 22:13:29,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29 WrapperNode [2021-07-09 22:13:29,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 22:13:29,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 22:13:29,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 22:13:29,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 22:13:29,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:29,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:30,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 22:13:30,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 22:13:30,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 22:13:30,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 22:13:30,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:30,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:30,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:30,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:30,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:30,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:30,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (1/1) ... [2021-07-09 22:13:30,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 22:13:30,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 22:13:30,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 22:13:30,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 22:13:30,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:13:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 22:13:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-09 22:13:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 22:13:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 22:13:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-09 22:13:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-09 22:13:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-09 22:13:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-09 22:13:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-09 22:13:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-09 22:13:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 22:13:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-09 22:13:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 22:13:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 22:13:30,142 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 22:13:33,114 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 22:13:33,115 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-09 22:13:33,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:13:33 BoogieIcfgContainer [2021-07-09 22:13:33,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 22:13:33,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 22:13:33,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 22:13:33,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 22:13:33,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 10:13:29" (1/3) ... [2021-07-09 22:13:33,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c550da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:13:33, skipping insertion in model container [2021-07-09 22:13:33,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:29" (2/3) ... [2021-07-09 22:13:33,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c550da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:13:33, skipping insertion in model container [2021-07-09 22:13:33,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:13:33" (3/3) ... [2021-07-09 22:13:33,125 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_power.opt.i [2021-07-09 22:13:33,130 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 22:13:33,131 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 22:13:33,131 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-09 22:13:33,131 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 22:13:33,169 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,169 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,169 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,169 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,170 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,170 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,175 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,175 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,176 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,176 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,183 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,183 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,183 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,212 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:33,261 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-09 22:13:33,276 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-09 22:13:33,288 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:13:33,289 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:13:33,289 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:13:33,289 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:13:33,289 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:13:33,289 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:13:33,289 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:13:33,289 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P2Thread1of1ForFork1======== [2021-07-09 22:13:34,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 7232 states, 7136 states have (on average 2.342068385650224) internal successors, (16713), 7231 states have internal predecessors, (16713), 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) [2021-07-09 22:13:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-07-09 22:13:34,544 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:34,544 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:34,545 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:34,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:34,549 INFO L82 PathProgramCache]: Analyzing trace with hash 502201670, now seen corresponding path program 1 times [2021-07-09 22:13:34,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:34,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908748082] [2021-07-09 22:13:34,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:34,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:34,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:34,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:34,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:34,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:34,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908748082] [2021-07-09 22:13:34,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908748082] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:34,809 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:34,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-09 22:13:34,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573004560] [2021-07-09 22:13:34,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-09 22:13:34,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:34,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-09 22:13:34,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 22:13:34,832 INFO L87 Difference]: Start difference. First operand has 7232 states, 7136 states have (on average 2.342068385650224) internal successors, (16713), 7231 states have internal predecessors, (16713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:34,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:34,920 INFO L93 Difference]: Finished difference Result 4883 states and 9724 transitions. [2021-07-09 22:13:34,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-09 22:13:34,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-07-09 22:13:34,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:34,925 INFO L225 Difference]: With dead ends: 4883 [2021-07-09 22:13:34,926 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 22:13:34,926 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 22:13:34,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 22:13:34,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 22:13:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-07-09 22:13:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 22:13:34,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2021-07-09 22:13:34,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:34,941 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 22:13:34,942 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:34,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 22:13:34,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 22:13:34,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 22:13:34,942 INFO L301 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE (1/2) [2021-07-09 22:13:34,943 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-07-09 22:13:34,948 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:13:34,948 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:13:34,948 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:13:34,948 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:13:34,948 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:13:34,948 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:13:34,948 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:13:34,948 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 22:13:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 13631 states, 12187 states have (on average 2.4407975711824075) internal successors, (29746), 13630 states have internal predecessors, (29746), 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) [2021-07-09 22:13:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-07-09 22:13:36,707 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:36,707 INFO L508 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] [2021-07-09 22:13:36,707 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:36,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:36,708 INFO L82 PathProgramCache]: Analyzing trace with hash -281438858, now seen corresponding path program 1 times [2021-07-09 22:13:36,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:36,708 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338316907] [2021-07-09 22:13:36,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:36,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:36,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:36,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:36,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:36,956 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:36,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:36,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:36,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:36,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:36,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:36,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:36,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:36,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:36,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338316907] [2021-07-09 22:13:36,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338316907] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:36,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:36,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:13:36,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67867621] [2021-07-09 22:13:36,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:13:36,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:36,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:13:36,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:13:37,005 INFO L87 Difference]: Start difference. First operand has 13631 states, 12187 states have (on average 2.4407975711824075) internal successors, (29746), 13630 states have internal predecessors, (29746), 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 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2021-07-09 22:13:37,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:37,212 INFO L93 Difference]: Finished difference Result 14441 states and 30686 transitions. [2021-07-09 22:13:37,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:13:37,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 69 [2021-07-09 22:13:37,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:37,255 INFO L225 Difference]: With dead ends: 14441 [2021-07-09 22:13:37,256 INFO L226 Difference]: Without dead ends: 5646 [2021-07-09 22:13:37,256 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 80.6ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:13:37,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5646 states. [2021-07-09 22:13:37,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5646 to 5646. [2021-07-09 22:13:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5646 states, 5565 states have (on average 2.4911051212938005) internal successors, (13863), 5645 states have internal predecessors, (13863), 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) [2021-07-09 22:13:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5646 states to 5646 states and 13863 transitions. [2021-07-09 22:13:37,443 INFO L78 Accepts]: Start accepts. Automaton has 5646 states and 13863 transitions. Word has length 69 [2021-07-09 22:13:37,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:37,444 INFO L482 AbstractCegarLoop]: Abstraction has 5646 states and 13863 transitions. [2021-07-09 22:13:37,444 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2021-07-09 22:13:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 5646 states and 13863 transitions. [2021-07-09 22:13:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-07-09 22:13:37,452 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:37,452 INFO L508 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] [2021-07-09 22:13:37,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 22:13:37,453 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:37,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:37,453 INFO L82 PathProgramCache]: Analyzing trace with hash 198165529, now seen corresponding path program 1 times [2021-07-09 22:13:37,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:37,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285668236] [2021-07-09 22:13:37,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:37,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:37,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:37,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:37,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:37,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:37,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:37,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:37,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:37,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:37,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:37,767 INFO L142 QuantifierPusher]: treesize reduction 39, result has 63.2 percent of original size [2021-07-09 22:13:37,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-07-09 22:13:37,796 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.1 percent of original size [2021-07-09 22:13:37,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-09 22:13:37,838 INFO L142 QuantifierPusher]: treesize reduction 78, result has 46.6 percent of original size [2021-07-09 22:13:37,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:13:37,883 INFO L142 QuantifierPusher]: treesize reduction 61, result has 57.3 percent of original size [2021-07-09 22:13:37,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-07-09 22:13:37,929 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:37,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:37,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:37,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:37,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:37,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:37,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:37,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:37,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:37,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285668236] [2021-07-09 22:13:37,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285668236] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:37,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:37,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-07-09 22:13:37,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073784427] [2021-07-09 22:13:37,988 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 22:13:37,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:37,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 22:13:37,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-07-09 22:13:37,989 INFO L87 Difference]: Start difference. First operand 5646 states and 13863 transitions. Second operand has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 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) [2021-07-09 22:13:38,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:38,513 INFO L93 Difference]: Finished difference Result 6918 states and 17400 transitions. [2021-07-09 22:13:38,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 22:13:38,517 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 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 73 [2021-07-09 22:13:38,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:38,539 INFO L225 Difference]: With dead ends: 6918 [2021-07-09 22:13:38,539 INFO L226 Difference]: Without dead ends: 5610 [2021-07-09 22:13:38,540 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 338.8ms TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-07-09 22:13:38,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5610 states. [2021-07-09 22:13:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5610 to 5610. [2021-07-09 22:13:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5610 states, 5535 states have (on average 2.5221318879855463) internal successors, (13960), 5609 states have internal predecessors, (13960), 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) [2021-07-09 22:13:38,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5610 states and 13960 transitions. [2021-07-09 22:13:38,700 INFO L78 Accepts]: Start accepts. Automaton has 5610 states and 13960 transitions. Word has length 73 [2021-07-09 22:13:38,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:38,700 INFO L482 AbstractCegarLoop]: Abstraction has 5610 states and 13960 transitions. [2021-07-09 22:13:38,700 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 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) [2021-07-09 22:13:38,700 INFO L276 IsEmpty]: Start isEmpty. Operand 5610 states and 13960 transitions. [2021-07-09 22:13:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 22:13:38,707 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:38,707 INFO L508 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] [2021-07-09 22:13:38,707 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 22:13:38,707 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:38,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:38,708 INFO L82 PathProgramCache]: Analyzing trace with hash 139259862, now seen corresponding path program 1 times [2021-07-09 22:13:38,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:38,708 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062450489] [2021-07-09 22:13:38,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:38,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:38,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:38,812 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-07-09 22:13:38,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:13:38,822 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-07-09 22:13:38,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 22:13:38,835 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-07-09 22:13:38,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:13:38,849 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:38,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:38,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:38,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:38,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:38,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:38,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:38,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:38,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:38,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062450489] [2021-07-09 22:13:38,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062450489] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:38,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:38,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-09 22:13:38,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195494455] [2021-07-09 22:13:38,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 22:13:38,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:38,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 22:13:38,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:13:38,884 INFO L87 Difference]: Start difference. First operand 5610 states and 13960 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2021-07-09 22:13:39,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:39,274 INFO L93 Difference]: Finished difference Result 8312 states and 21844 transitions. [2021-07-09 22:13:39,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 22:13:39,275 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 75 [2021-07-09 22:13:39,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:39,304 INFO L225 Difference]: With dead ends: 8312 [2021-07-09 22:13:39,305 INFO L226 Difference]: Without dead ends: 7140 [2021-07-09 22:13:39,305 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 119.3ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:13:39,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7140 states. [2021-07-09 22:13:39,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7140 to 5838. [2021-07-09 22:13:39,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5838 states, 5763 states have (on average 2.521429810862398) internal successors, (14531), 5837 states have internal predecessors, (14531), 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) [2021-07-09 22:13:39,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5838 states to 5838 states and 14531 transitions. [2021-07-09 22:13:39,443 INFO L78 Accepts]: Start accepts. Automaton has 5838 states and 14531 transitions. Word has length 75 [2021-07-09 22:13:39,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:39,443 INFO L482 AbstractCegarLoop]: Abstraction has 5838 states and 14531 transitions. [2021-07-09 22:13:39,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2021-07-09 22:13:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 5838 states and 14531 transitions. [2021-07-09 22:13:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 22:13:39,451 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:39,451 INFO L508 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] [2021-07-09 22:13:39,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 22:13:39,452 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:39,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:39,452 INFO L82 PathProgramCache]: Analyzing trace with hash 659002938, now seen corresponding path program 2 times [2021-07-09 22:13:39,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:39,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533932725] [2021-07-09 22:13:39,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:39,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:39,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:39,550 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-07-09 22:13:39,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-09 22:13:39,556 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-07-09 22:13:39,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 22:13:39,569 INFO L142 QuantifierPusher]: treesize reduction 28, result has 51.7 percent of original size [2021-07-09 22:13:39,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:13:39,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:39,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:39,589 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:39,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:39,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:39,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:39,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:39,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:39,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:39,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:39,626 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:39,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533932725] [2021-07-09 22:13:39,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533932725] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:39,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:39,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-09 22:13:39,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576306885] [2021-07-09 22:13:39,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 22:13:39,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:39,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 22:13:39,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-07-09 22:13:39,627 INFO L87 Difference]: Start difference. First operand 5838 states and 14531 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 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) [2021-07-09 22:13:40,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:40,146 INFO L93 Difference]: Finished difference Result 12600 states and 32907 transitions. [2021-07-09 22:13:40,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 22:13:40,147 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 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 75 [2021-07-09 22:13:40,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:40,175 INFO L225 Difference]: With dead ends: 12600 [2021-07-09 22:13:40,175 INFO L226 Difference]: Without dead ends: 10440 [2021-07-09 22:13:40,175 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 159.5ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-07-09 22:13:40,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10440 states. [2021-07-09 22:13:40,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10440 to 6012. [2021-07-09 22:13:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6012 states, 5937 states have (on average 2.522149233619673) internal successors, (14974), 6011 states have internal predecessors, (14974), 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) [2021-07-09 22:13:40,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6012 states to 6012 states and 14974 transitions. [2021-07-09 22:13:40,402 INFO L78 Accepts]: Start accepts. Automaton has 6012 states and 14974 transitions. Word has length 75 [2021-07-09 22:13:40,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:40,402 INFO L482 AbstractCegarLoop]: Abstraction has 6012 states and 14974 transitions. [2021-07-09 22:13:40,402 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 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) [2021-07-09 22:13:40,402 INFO L276 IsEmpty]: Start isEmpty. Operand 6012 states and 14974 transitions. [2021-07-09 22:13:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 22:13:40,410 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:40,410 INFO L508 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] [2021-07-09 22:13:40,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 22:13:40,410 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:40,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:40,410 INFO L82 PathProgramCache]: Analyzing trace with hash -270039820, now seen corresponding path program 3 times [2021-07-09 22:13:40,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:40,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623941150] [2021-07-09 22:13:40,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:40,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:40,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:40,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:40,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:40,499 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-09 22:13:40,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:13:40,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:40,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:40,519 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-09 22:13:40,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:40,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:40,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:40,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:40,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623941150] [2021-07-09 22:13:40,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623941150] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:40,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:40,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:13:40,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361212020] [2021-07-09 22:13:40,528 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:13:40,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:40,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:13:40,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:13:40,529 INFO L87 Difference]: Start difference. First operand 6012 states and 14974 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-07-09 22:13:40,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:40,629 INFO L93 Difference]: Finished difference Result 6617 states and 15385 transitions. [2021-07-09 22:13:40,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:13:40,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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 75 [2021-07-09 22:13:40,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:40,640 INFO L225 Difference]: With dead ends: 6617 [2021-07-09 22:13:40,640 INFO L226 Difference]: Without dead ends: 4201 [2021-07-09 22:13:40,642 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 66.6ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:13:40,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4201 states. [2021-07-09 22:13:40,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4201 to 4201. [2021-07-09 22:13:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4201 states, 4126 states have (on average 2.4205041202132818) internal successors, (9987), 4200 states have internal predecessors, (9987), 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) [2021-07-09 22:13:40,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4201 states to 4201 states and 9987 transitions. [2021-07-09 22:13:40,729 INFO L78 Accepts]: Start accepts. Automaton has 4201 states and 9987 transitions. Word has length 75 [2021-07-09 22:13:40,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:40,729 INFO L482 AbstractCegarLoop]: Abstraction has 4201 states and 9987 transitions. [2021-07-09 22:13:40,730 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-07-09 22:13:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 4201 states and 9987 transitions. [2021-07-09 22:13:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-07-09 22:13:40,738 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:40,739 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:40,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-09 22:13:40,739 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:40,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:40,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1213343637, now seen corresponding path program 1 times [2021-07-09 22:13:40,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:40,740 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939749963] [2021-07-09 22:13:40,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:40,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:40,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:40,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:40,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:40,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:40,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:40,849 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-09 22:13:40,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:13:40,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:40,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:40,871 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-09 22:13:40,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:40,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:40,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:40,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:40,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:40,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939749963] [2021-07-09 22:13:40,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939749963] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:40,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:40,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 22:13:40,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908037068] [2021-07-09 22:13:40,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 22:13:40,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:40,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 22:13:40,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 22:13:40,884 INFO L87 Difference]: Start difference. First operand 4201 states and 9987 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:41,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:41,015 INFO L93 Difference]: Finished difference Result 3280 states and 7111 transitions. [2021-07-09 22:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 22:13:41,016 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-07-09 22:13:41,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:41,034 INFO L225 Difference]: With dead ends: 3280 [2021-07-09 22:13:41,034 INFO L226 Difference]: Without dead ends: 1732 [2021-07-09 22:13:41,035 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 95.0ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:13:41,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2021-07-09 22:13:41,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1732. [2021-07-09 22:13:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1687 states have (on average 2.211025489033788) internal successors, (3730), 1731 states have internal predecessors, (3730), 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) [2021-07-09 22:13:41,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 3730 transitions. [2021-07-09 22:13:41,065 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 3730 transitions. Word has length 77 [2021-07-09 22:13:41,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:41,065 INFO L482 AbstractCegarLoop]: Abstraction has 1732 states and 3730 transitions. [2021-07-09 22:13:41,065 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 3730 transitions. [2021-07-09 22:13:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-07-09 22:13:41,067 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:41,068 INFO L508 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] [2021-07-09 22:13:41,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-09 22:13:41,068 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:41,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:41,068 INFO L82 PathProgramCache]: Analyzing trace with hash 670327037, now seen corresponding path program 1 times [2021-07-09 22:13:41,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:41,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686852142] [2021-07-09 22:13:41,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:41,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:41,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:41,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:41,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:41,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:41,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:41,251 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-07-09 22:13:41,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:13:41,268 INFO L142 QuantifierPusher]: treesize reduction 32, result has 56.8 percent of original size [2021-07-09 22:13:41,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:13:41,297 INFO L142 QuantifierPusher]: treesize reduction 85, result has 50.6 percent of original size [2021-07-09 22:13:41,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-07-09 22:13:41,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:41,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:13:41,368 INFO L142 QuantifierPusher]: treesize reduction 26, result has 58.1 percent of original size [2021-07-09 22:13:41,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:13:41,391 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:41,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:41,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:41,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:41,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:41,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:41,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:41,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:41,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:41,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686852142] [2021-07-09 22:13:41,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686852142] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:41,430 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:41,430 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-07-09 22:13:41,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814610824] [2021-07-09 22:13:41,453 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 22:13:41,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:41,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 22:13:41,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-07-09 22:13:41,453 INFO L87 Difference]: Start difference. First operand 1732 states and 3730 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 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) [2021-07-09 22:13:41,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:41,981 INFO L93 Difference]: Finished difference Result 2915 states and 6536 transitions. [2021-07-09 22:13:41,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 22:13:41,982 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 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 [2021-07-09 22:13:41,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:41,985 INFO L225 Difference]: With dead ends: 2915 [2021-07-09 22:13:41,986 INFO L226 Difference]: Without dead ends: 1864 [2021-07-09 22:13:41,986 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 247.5ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-07-09 22:13:41,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2021-07-09 22:13:42,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1771. [2021-07-09 22:13:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1771 states, 1726 states have (on average 2.241599073001159) internal successors, (3869), 1770 states have internal predecessors, (3869), 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) [2021-07-09 22:13:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1771 states and 3869 transitions. [2021-07-09 22:13:42,007 INFO L78 Accepts]: Start accepts. Automaton has 1771 states and 3869 transitions. Word has length 81 [2021-07-09 22:13:42,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:42,008 INFO L482 AbstractCegarLoop]: Abstraction has 1771 states and 3869 transitions. [2021-07-09 22:13:42,008 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 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) [2021-07-09 22:13:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 3869 transitions. [2021-07-09 22:13:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-07-09 22:13:42,010 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:42,010 INFO L508 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] [2021-07-09 22:13:42,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-09 22:13:42,010 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:42,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:42,011 INFO L82 PathProgramCache]: Analyzing trace with hash 624346301, now seen corresponding path program 2 times [2021-07-09 22:13:42,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:42,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193747482] [2021-07-09 22:13:42,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:42,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:42,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:42,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:42,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:42,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:42,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:42,170 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-07-09 22:13:42,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:13:42,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-07-09 22:13:42,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:13:42,203 INFO L142 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-07-09 22:13:42,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:13:42,221 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-07-09 22:13:42,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:13:42,245 INFO L142 QuantifierPusher]: treesize reduction 13, result has 84.5 percent of original size [2021-07-09 22:13:42,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-07-09 22:13:42,273 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-07-09 22:13:42,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-07-09 22:13:42,301 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:42,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:42,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:42,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:42,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:42,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:42,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:42,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:42,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:42,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193747482] [2021-07-09 22:13:42,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193747482] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:42,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:42,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-09 22:13:42,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962172054] [2021-07-09 22:13:42,340 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 22:13:42,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:42,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 22:13:42,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:13:42,341 INFO L87 Difference]: Start difference. First operand 1771 states and 3869 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 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) [2021-07-09 22:13:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:43,141 INFO L93 Difference]: Finished difference Result 2771 states and 6157 transitions. [2021-07-09 22:13:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 22:13:43,142 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 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 [2021-07-09 22:13:43,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:43,145 INFO L225 Difference]: With dead ends: 2771 [2021-07-09 22:13:43,145 INFO L226 Difference]: Without dead ends: 1903 [2021-07-09 22:13:43,146 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 430.9ms TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2021-07-09 22:13:43,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2021-07-09 22:13:43,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1547. [2021-07-09 22:13:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1502 states have (on average 2.159121171770972) internal successors, (3243), 1546 states have internal predecessors, (3243), 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) [2021-07-09 22:13:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 3243 transitions. [2021-07-09 22:13:43,165 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 3243 transitions. Word has length 81 [2021-07-09 22:13:43,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:43,165 INFO L482 AbstractCegarLoop]: Abstraction has 1547 states and 3243 transitions. [2021-07-09 22:13:43,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 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) [2021-07-09 22:13:43,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 3243 transitions. [2021-07-09 22:13:43,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-07-09 22:13:43,167 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:43,167 INFO L508 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] [2021-07-09 22:13:43,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-09 22:13:43,167 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:43,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:43,168 INFO L82 PathProgramCache]: Analyzing trace with hash 433851581, now seen corresponding path program 3 times [2021-07-09 22:13:43,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:43,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723155469] [2021-07-09 22:13:43,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:43,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:43,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:43,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:43,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:43,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:43,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:43,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:43,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:43,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:43,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:43,332 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-07-09 22:13:43,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:13:43,346 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-07-09 22:13:43,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:13:43,376 INFO L142 QuantifierPusher]: treesize reduction 185, result has 31.2 percent of original size [2021-07-09 22:13:43,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-07-09 22:13:43,447 INFO L142 QuantifierPusher]: treesize reduction 98, result has 49.5 percent of original size [2021-07-09 22:13:43,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-09 22:13:43,504 INFO L142 QuantifierPusher]: treesize reduction 20, result has 55.6 percent of original size [2021-07-09 22:13:43,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:13:43,537 INFO L142 QuantifierPusher]: treesize reduction 271, result has 22.8 percent of original size [2021-07-09 22:13:43,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-09 22:13:43,576 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:43,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:43,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:43,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:43,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:43,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:43,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:43,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723155469] [2021-07-09 22:13:43,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723155469] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:43,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:43,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-07-09 22:13:43,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534385514] [2021-07-09 22:13:43,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 22:13:43,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:43,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 22:13:43,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-07-09 22:13:43,614 INFO L87 Difference]: Start difference. First operand 1547 states and 3243 transitions. Second operand has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 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) [2021-07-09 22:13:44,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:44,167 INFO L93 Difference]: Finished difference Result 3040 states and 6505 transitions. [2021-07-09 22:13:44,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 22:13:44,168 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 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 [2021-07-09 22:13:44,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:44,171 INFO L225 Difference]: With dead ends: 3040 [2021-07-09 22:13:44,171 INFO L226 Difference]: Without dead ends: 2149 [2021-07-09 22:13:44,171 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 391.4ms TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2021-07-09 22:13:44,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2021-07-09 22:13:44,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1630. [2021-07-09 22:13:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1585 states have (on average 2.1690851735015775) internal successors, (3438), 1629 states have internal predecessors, (3438), 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) [2021-07-09 22:13:44,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 3438 transitions. [2021-07-09 22:13:44,192 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 3438 transitions. Word has length 81 [2021-07-09 22:13:44,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:44,192 INFO L482 AbstractCegarLoop]: Abstraction has 1630 states and 3438 transitions. [2021-07-09 22:13:44,192 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 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) [2021-07-09 22:13:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 3438 transitions. [2021-07-09 22:13:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-07-09 22:13:44,194 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:44,195 INFO L508 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] [2021-07-09 22:13:44,195 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-09 22:13:44,195 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:44,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:44,195 INFO L82 PathProgramCache]: Analyzing trace with hash -2005673799, now seen corresponding path program 4 times [2021-07-09 22:13:44,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:44,195 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805082313] [2021-07-09 22:13:44,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:44,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:44,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:44,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:44,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:44,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:44,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:44,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:44,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:44,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:44,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:44,353 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-07-09 22:13:44,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-09 22:13:44,359 INFO L142 QuantifierPusher]: treesize reduction 49, result has 62.3 percent of original size [2021-07-09 22:13:44,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:13:44,397 INFO L142 QuantifierPusher]: treesize reduction 34, result has 64.6 percent of original size [2021-07-09 22:13:44,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-07-09 22:13:44,431 INFO L142 QuantifierPusher]: treesize reduction 58, result has 54.3 percent of original size [2021-07-09 22:13:44,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-07-09 22:13:44,474 INFO L142 QuantifierPusher]: treesize reduction 40, result has 67.5 percent of original size [2021-07-09 22:13:44,475 INFO L147 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size 79 [2021-07-09 22:13:44,525 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.4 percent of original size [2021-07-09 22:13:44,528 INFO L147 QuantifierPusher]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-07-09 22:13:44,567 INFO L142 QuantifierPusher]: treesize reduction 20, result has 51.2 percent of original size [2021-07-09 22:13:44,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:13:44,590 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.1 percent of original size [2021-07-09 22:13:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:13:44,609 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:44,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:44,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:44,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:44,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:44,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:44,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:44,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:44,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805082313] [2021-07-09 22:13:44,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805082313] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:44,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:44,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-07-09 22:13:44,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304746007] [2021-07-09 22:13:44,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 22:13:44,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:44,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 22:13:44,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-07-09 22:13:44,646 INFO L87 Difference]: Start difference. First operand 1630 states and 3438 transitions. Second operand has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 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) [2021-07-09 22:13:45,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:45,379 INFO L93 Difference]: Finished difference Result 2399 states and 5282 transitions. [2021-07-09 22:13:45,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 22:13:45,380 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 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 [2021-07-09 22:13:45,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:45,382 INFO L225 Difference]: With dead ends: 2399 [2021-07-09 22:13:45,383 INFO L226 Difference]: Without dead ends: 1701 [2021-07-09 22:13:45,383 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 549.2ms TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2021-07-09 22:13:45,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2021-07-09 22:13:45,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1462. [2021-07-09 22:13:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1423 states have (on average 2.21293042867182) internal successors, (3149), 1461 states have internal predecessors, (3149), 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) [2021-07-09 22:13:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 3149 transitions. [2021-07-09 22:13:45,400 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 3149 transitions. Word has length 81 [2021-07-09 22:13:45,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:45,400 INFO L482 AbstractCegarLoop]: Abstraction has 1462 states and 3149 transitions. [2021-07-09 22:13:45,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 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) [2021-07-09 22:13:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 3149 transitions. [2021-07-09 22:13:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-07-09 22:13:45,404 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:45,404 INFO L508 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] [2021-07-09 22:13:45,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-09 22:13:45,404 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:45,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:45,405 INFO L82 PathProgramCache]: Analyzing trace with hash -934264037, now seen corresponding path program 1 times [2021-07-09 22:13:45,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:45,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477931126] [2021-07-09 22:13:45,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:45,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:45,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:45,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:45,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:45,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:45,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:45,499 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-07-09 22:13:45,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:13:45,508 INFO L142 QuantifierPusher]: treesize reduction 31, result has 72.1 percent of original size [2021-07-09 22:13:45,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-09 22:13:45,528 INFO L142 QuantifierPusher]: treesize reduction 31, result has 72.8 percent of original size [2021-07-09 22:13:45,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-07-09 22:13:45,553 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-07-09 22:13:45,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:13:45,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:45,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:45,577 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:45,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:45,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:45,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:45,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:45,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:45,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:45,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:45,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:45,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477931126] [2021-07-09 22:13:45,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477931126] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:45,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:45,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-07-09 22:13:45,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158372393] [2021-07-09 22:13:45,623 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 22:13:45,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:45,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 22:13:45,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-07-09 22:13:45,624 INFO L87 Difference]: Start difference. First operand 1462 states and 3149 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 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) [2021-07-09 22:13:46,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:46,105 INFO L93 Difference]: Finished difference Result 4451 states and 9866 transitions. [2021-07-09 22:13:46,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 22:13:46,105 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 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 [2021-07-09 22:13:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:46,110 INFO L225 Difference]: With dead ends: 4451 [2021-07-09 22:13:46,110 INFO L226 Difference]: Without dead ends: 3503 [2021-07-09 22:13:46,111 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 201.1ms TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2021-07-09 22:13:46,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2021-07-09 22:13:46,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 1453. [2021-07-09 22:13:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1414 states have (on average 2.21004243281471) internal successors, (3125), 1452 states have internal predecessors, (3125), 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) [2021-07-09 22:13:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 3125 transitions. [2021-07-09 22:13:46,140 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 3125 transitions. Word has length 81 [2021-07-09 22:13:46,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:46,140 INFO L482 AbstractCegarLoop]: Abstraction has 1453 states and 3125 transitions. [2021-07-09 22:13:46,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 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) [2021-07-09 22:13:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 3125 transitions. [2021-07-09 22:13:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-07-09 22:13:46,142 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:46,142 INFO L508 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] [2021-07-09 22:13:46,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-09 22:13:46,142 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:46,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:46,142 INFO L82 PathProgramCache]: Analyzing trace with hash 198126135, now seen corresponding path program 2 times [2021-07-09 22:13:46,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:46,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857786911] [2021-07-09 22:13:46,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:46,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:46,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:46,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:46,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:46,214 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-09 22:13:46,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:13:46,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:46,233 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-09 22:13:46,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:46,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:46,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:46,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857786911] [2021-07-09 22:13:46,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857786911] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:46,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:46,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-09 22:13:46,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925622938] [2021-07-09 22:13:46,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 22:13:46,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:46,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 22:13:46,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:13:46,247 INFO L87 Difference]: Start difference. First operand 1453 states and 3125 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 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) [2021-07-09 22:13:46,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:46,347 INFO L93 Difference]: Finished difference Result 997 states and 1990 transitions. [2021-07-09 22:13:46,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 22:13:46,347 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 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 [2021-07-09 22:13:46,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:46,348 INFO L225 Difference]: With dead ends: 997 [2021-07-09 22:13:46,348 INFO L226 Difference]: Without dead ends: 585 [2021-07-09 22:13:46,348 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 86.4ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:13:46,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2021-07-09 22:13:46,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 465. [2021-07-09 22:13:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 456 states have (on average 2.030701754385965) internal successors, (926), 464 states have internal predecessors, (926), 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) [2021-07-09 22:13:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 926 transitions. [2021-07-09 22:13:46,353 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 926 transitions. Word has length 81 [2021-07-09 22:13:46,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:46,353 INFO L482 AbstractCegarLoop]: Abstraction has 465 states and 926 transitions. [2021-07-09 22:13:46,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 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) [2021-07-09 22:13:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 926 transitions. [2021-07-09 22:13:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-09 22:13:46,354 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:46,355 INFO L508 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] [2021-07-09 22:13:46,355 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-09 22:13:46,355 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:46,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:46,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1608159852, now seen corresponding path program 1 times [2021-07-09 22:13:46,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:46,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199234724] [2021-07-09 22:13:46,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:46,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:46,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:46,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:46,460 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:46,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:46,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:46,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:46,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:46,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:46,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199234724] [2021-07-09 22:13:46,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199234724] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:46,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:46,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 22:13:46,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980317742] [2021-07-09 22:13:46,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 22:13:46,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:46,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 22:13:46,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-09 22:13:46,486 INFO L87 Difference]: Start difference. First operand 465 states and 926 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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) [2021-07-09 22:13:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:46,550 INFO L93 Difference]: Finished difference Result 678 states and 1394 transitions. [2021-07-09 22:13:46,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 22:13:46,551 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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 87 [2021-07-09 22:13:46,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:46,552 INFO L225 Difference]: With dead ends: 678 [2021-07-09 22:13:46,552 INFO L226 Difference]: Without dead ends: 335 [2021-07-09 22:13:46,552 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 64.5ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:13:46,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-07-09 22:13:46,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2021-07-09 22:13:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 326 states have (on average 1.9263803680981595) internal successors, (628), 334 states have internal predecessors, (628), 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) [2021-07-09 22:13:46,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 628 transitions. [2021-07-09 22:13:46,555 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 628 transitions. Word has length 87 [2021-07-09 22:13:46,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:46,555 INFO L482 AbstractCegarLoop]: Abstraction has 335 states and 628 transitions. [2021-07-09 22:13:46,555 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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) [2021-07-09 22:13:46,555 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 628 transitions. [2021-07-09 22:13:46,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-09 22:13:46,556 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:46,556 INFO L508 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] [2021-07-09 22:13:46,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-09 22:13:46,556 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:46,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:46,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1027309332, now seen corresponding path program 2 times [2021-07-09 22:13:46,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:46,557 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813693809] [2021-07-09 22:13:46,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:46,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:46,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:46,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:46,678 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-07-09 22:13:46,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:13:46,689 INFO L142 QuantifierPusher]: treesize reduction 37, result has 46.4 percent of original size [2021-07-09 22:13:46,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:13:46,706 INFO L142 QuantifierPusher]: treesize reduction 26, result has 58.7 percent of original size [2021-07-09 22:13:46,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:13:46,727 INFO L142 QuantifierPusher]: treesize reduction 26, result has 60.6 percent of original size [2021-07-09 22:13:46,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:13:46,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:46,762 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-07-09 22:13:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:13:46,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:46,777 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:46,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:46,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:46,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:46,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:46,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:46,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:46,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813693809] [2021-07-09 22:13:46,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813693809] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:46,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:46,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-09 22:13:46,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877263577] [2021-07-09 22:13:46,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 22:13:46,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:46,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 22:13:46,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:13:46,822 INFO L87 Difference]: Start difference. First operand 335 states and 628 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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) [2021-07-09 22:13:47,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:47,223 INFO L93 Difference]: Finished difference Result 589 states and 1170 transitions. [2021-07-09 22:13:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 22:13:47,224 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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 87 [2021-07-09 22:13:47,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:47,224 INFO L225 Difference]: With dead ends: 589 [2021-07-09 22:13:47,224 INFO L226 Difference]: Without dead ends: 347 [2021-07-09 22:13:47,225 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 284.5ms TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2021-07-09 22:13:47,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-07-09 22:13:47,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2021-07-09 22:13:47,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 338 states have (on average 1.9378698224852071) internal successors, (655), 346 states have internal predecessors, (655), 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) [2021-07-09 22:13:47,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 655 transitions. [2021-07-09 22:13:47,228 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 655 transitions. Word has length 87 [2021-07-09 22:13:47,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:47,228 INFO L482 AbstractCegarLoop]: Abstraction has 347 states and 655 transitions. [2021-07-09 22:13:47,228 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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) [2021-07-09 22:13:47,229 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 655 transitions. [2021-07-09 22:13:47,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-09 22:13:47,229 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:47,229 INFO L508 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] [2021-07-09 22:13:47,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-09 22:13:47,230 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:47,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:47,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1466128214, now seen corresponding path program 3 times [2021-07-09 22:13:47,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:47,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551893605] [2021-07-09 22:13:47,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:47,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:47,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:47,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:47,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:47,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:47,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:47,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:47,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:47,347 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-09 22:13:47,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:13:47,363 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.4 percent of original size [2021-07-09 22:13:47,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-09 22:13:47,395 INFO L142 QuantifierPusher]: treesize reduction 17, result has 69.1 percent of original size [2021-07-09 22:13:47,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:13:47,419 INFO L142 QuantifierPusher]: treesize reduction 21, result has 68.7 percent of original size [2021-07-09 22:13:47,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:13:47,450 INFO L142 QuantifierPusher]: treesize reduction 21, result has 69.6 percent of original size [2021-07-09 22:13:47,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 22:13:47,484 INFO L142 QuantifierPusher]: treesize reduction 27, result has 78.6 percent of original size [2021-07-09 22:13:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-07-09 22:13:47,494 INFO L142 QuantifierPusher]: treesize reduction 6, result has 92.2 percent of original size [2021-07-09 22:13:47,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-07-09 22:13:47,524 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.5 percent of original size [2021-07-09 22:13:47,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-07-09 22:13:47,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:47,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:47,559 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:47,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:47,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:47,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:47,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:47,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:47,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:47,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:47,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:47,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551893605] [2021-07-09 22:13:47,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551893605] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:47,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:47,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-07-09 22:13:47,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634347693] [2021-07-09 22:13:47,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 22:13:47,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:47,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 22:13:47,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-07-09 22:13:47,600 INFO L87 Difference]: Start difference. First operand 347 states and 655 transitions. Second operand has 16 states, 16 states have (on average 5.4375) internal successors, (87), 16 states have internal predecessors, (87), 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) [2021-07-09 22:13:48,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:48,092 INFO L93 Difference]: Finished difference Result 597 states and 1180 transitions. [2021-07-09 22:13:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 22:13:48,093 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.4375) internal successors, (87), 16 states have internal predecessors, (87), 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 87 [2021-07-09 22:13:48,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:48,093 INFO L225 Difference]: With dead ends: 597 [2021-07-09 22:13:48,093 INFO L226 Difference]: Without dead ends: 290 [2021-07-09 22:13:48,093 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 399.5ms TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2021-07-09 22:13:48,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-07-09 22:13:48,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2021-07-09 22:13:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 281 states have (on average 1.8434163701067616) internal successors, (518), 289 states have internal predecessors, (518), 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) [2021-07-09 22:13:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 518 transitions. [2021-07-09 22:13:48,096 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 518 transitions. Word has length 87 [2021-07-09 22:13:48,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:48,097 INFO L482 AbstractCegarLoop]: Abstraction has 290 states and 518 transitions. [2021-07-09 22:13:48,097 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 5.4375) internal successors, (87), 16 states have internal predecessors, (87), 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) [2021-07-09 22:13:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 518 transitions. [2021-07-09 22:13:48,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-09 22:13:48,097 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:48,098 INFO L508 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] [2021-07-09 22:13:48,098 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-09 22:13:48,098 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:48,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:48,098 INFO L82 PathProgramCache]: Analyzing trace with hash 547302586, now seen corresponding path program 4 times [2021-07-09 22:13:48,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:48,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971232588] [2021-07-09 22:13:48,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:48,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:48,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:48,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:48,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:48,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:13:48,220 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.6 percent of original size [2021-07-09 22:13:48,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:13:48,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:13:48,246 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-07-09 22:13:48,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-07-09 22:13:48,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:13:48,272 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:48,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:48,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:48,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:48,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:48,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:48,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:48,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971232588] [2021-07-09 22:13:48,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971232588] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:48,303 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:48,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-09 22:13:48,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306025445] [2021-07-09 22:13:48,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 22:13:48,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:48,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 22:13:48,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:13:48,304 INFO L87 Difference]: Start difference. First operand 290 states and 518 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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) [2021-07-09 22:13:48,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:48,556 INFO L93 Difference]: Finished difference Result 469 states and 896 transitions. [2021-07-09 22:13:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 22:13:48,556 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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 87 [2021-07-09 22:13:48,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:48,557 INFO L225 Difference]: With dead ends: 469 [2021-07-09 22:13:48,557 INFO L226 Difference]: Without dead ends: 287 [2021-07-09 22:13:48,557 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 156.5ms TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-07-09 22:13:48,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-07-09 22:13:48,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2021-07-09 22:13:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 278 states have (on average 1.8489208633093526) internal successors, (514), 286 states have internal predecessors, (514), 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) [2021-07-09 22:13:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 514 transitions. [2021-07-09 22:13:48,560 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 514 transitions. Word has length 87 [2021-07-09 22:13:48,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:48,560 INFO L482 AbstractCegarLoop]: Abstraction has 287 states and 514 transitions. [2021-07-09 22:13:48,560 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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) [2021-07-09 22:13:48,560 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 514 transitions. [2021-07-09 22:13:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-09 22:13:48,561 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:48,561 INFO L508 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] [2021-07-09 22:13:48,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-09 22:13:48,561 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:48,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:48,562 INFO L82 PathProgramCache]: Analyzing trace with hash -259873718, now seen corresponding path program 5 times [2021-07-09 22:13:48,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:48,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495841421] [2021-07-09 22:13:48,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:48,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:48,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:48,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:48,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:48,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:48,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:48,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:13:48,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:13:48,740 INFO L142 QuantifierPusher]: treesize reduction 37, result has 47.1 percent of original size [2021-07-09 22:13:48,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:13:48,759 INFO L142 QuantifierPusher]: treesize reduction 36, result has 65.7 percent of original size [2021-07-09 22:13:48,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-07-09 22:13:48,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:13:48,787 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:48,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:48,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:48,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:48,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:48,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:48,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:48,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495841421] [2021-07-09 22:13:48,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495841421] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:48,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:48,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-09 22:13:48,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108252536] [2021-07-09 22:13:48,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 22:13:48,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:48,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 22:13:48,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:13:48,831 INFO L87 Difference]: Start difference. First operand 287 states and 514 transitions. Second operand has 15 states, 15 states have (on average 5.8) internal successors, (87), 15 states have internal predecessors, (87), 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) [2021-07-09 22:13:49,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:49,079 INFO L93 Difference]: Finished difference Result 459 states and 881 transitions. [2021-07-09 22:13:49,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 22:13:49,080 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.8) internal successors, (87), 15 states have internal predecessors, (87), 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 87 [2021-07-09 22:13:49,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:49,080 INFO L225 Difference]: With dead ends: 459 [2021-07-09 22:13:49,080 INFO L226 Difference]: Without dead ends: 276 [2021-07-09 22:13:49,081 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 224.3ms TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2021-07-09 22:13:49,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-07-09 22:13:49,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2021-07-09 22:13:49,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 267 states have (on average 1.857677902621723) internal successors, (496), 275 states have internal predecessors, (496), 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) [2021-07-09 22:13:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 496 transitions. [2021-07-09 22:13:49,083 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 496 transitions. Word has length 87 [2021-07-09 22:13:49,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:49,084 INFO L482 AbstractCegarLoop]: Abstraction has 276 states and 496 transitions. [2021-07-09 22:13:49,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.8) internal successors, (87), 15 states have internal predecessors, (87), 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) [2021-07-09 22:13:49,084 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 496 transitions. [2021-07-09 22:13:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-09 22:13:49,084 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:49,084 INFO L508 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] [2021-07-09 22:13:49,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-09 22:13:49,085 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:49,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:49,085 INFO L82 PathProgramCache]: Analyzing trace with hash 355414880, now seen corresponding path program 6 times [2021-07-09 22:13:49,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:49,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978077610] [2021-07-09 22:13:49,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:49,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:49,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:49,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:49,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:49,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:49,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:49,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:13:49,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-09 22:13:49,268 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-07-09 22:13:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-07-09 22:13:49,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:13:49,279 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:49,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:49,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:49,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:49,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:49,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:49,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:49,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978077610] [2021-07-09 22:13:49,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978077610] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:49,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:49,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-09 22:13:49,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576564636] [2021-07-09 22:13:49,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 22:13:49,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:49,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 22:13:49,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:13:49,317 INFO L87 Difference]: Start difference. First operand 276 states and 496 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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) [2021-07-09 22:13:49,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:49,516 INFO L93 Difference]: Finished difference Result 240 states and 436 transitions. [2021-07-09 22:13:49,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 22:13:49,516 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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 87 [2021-07-09 22:13:49,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:49,516 INFO L225 Difference]: With dead ends: 240 [2021-07-09 22:13:49,516 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 22:13:49,516 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 176.2ms TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-07-09 22:13:49,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 22:13:49,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 22:13:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-07-09 22:13:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 22:13:49,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2021-07-09 22:13:49,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:49,517 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 22:13:49,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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) [2021-07-09 22:13:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 22:13:49,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 22:13:49,517 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-07-09 22:13:49,517 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-09 22:13:49,517 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 22:13:49,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 10:13:49 BasicIcfg [2021-07-09 22:13:49,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 22:13:49,519 INFO L168 Benchmark]: Toolchain (without parser) took 20093.34 ms. Allocated memory was 209.7 MB in the beginning and 808.5 MB in the end (delta: 598.7 MB). Free memory was 172.4 MB in the beginning and 465.9 MB in the end (delta: -293.5 MB). Peak memory consumption was 306.8 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:49,520 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 209.7 MB. Free memory is still 190.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 22:13:49,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.85 ms. Allocated memory is still 209.7 MB. Free memory was 172.1 MB in the beginning and 174.6 MB in the end (delta: -2.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:49,520 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.37 ms. Allocated memory is still 209.7 MB. Free memory was 174.6 MB in the beginning and 170.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:49,520 INFO L168 Benchmark]: Boogie Preprocessor took 57.15 ms. Allocated memory is still 209.7 MB. Free memory was 170.4 MB in the beginning and 166.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:49,520 INFO L168 Benchmark]: RCFGBuilder took 3056.34 ms. Allocated memory was 209.7 MB in the beginning and 257.9 MB in the end (delta: 48.2 MB). Free memory was 166.8 MB in the beginning and 113.0 MB in the end (delta: 53.8 MB). Peak memory consumption was 137.7 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:49,520 INFO L168 Benchmark]: TraceAbstraction took 16398.53 ms. Allocated memory was 257.9 MB in the beginning and 808.5 MB in the end (delta: 550.5 MB). Free memory was 112.5 MB in the beginning and 465.9 MB in the end (delta: -353.4 MB). Peak memory consumption was 197.6 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:49,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 209.7 MB. Free memory is still 190.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 505.85 ms. Allocated memory is still 209.7 MB. Free memory was 172.1 MB in the beginning and 174.6 MB in the end (delta: -2.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 68.37 ms. Allocated memory is still 209.7 MB. Free memory was 174.6 MB in the beginning and 170.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.15 ms. Allocated memory is still 209.7 MB. Free memory was 170.4 MB in the beginning and 166.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3056.34 ms. Allocated memory was 209.7 MB in the beginning and 257.9 MB in the end (delta: 48.2 MB). Free memory was 166.8 MB in the beginning and 113.0 MB in the end (delta: 53.8 MB). Peak memory consumption was 137.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16398.53 ms. Allocated memory was 257.9 MB in the beginning and 808.5 MB in the end (delta: 550.5 MB). Free memory was 112.5 MB in the beginning and 465.9 MB in the end (delta: -353.4 MB). Peak memory consumption was 197.6 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: 28349, positive: 25498, positive conditional: 25498, positive unconditional: 0, negative: 2851, negative conditional: 2851, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27620, positive: 25498, positive conditional: 0, positive unconditional: 25498, negative: 2122, negative conditional: 0, negative unconditional: 2122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 923, positive: 880, positive conditional: 0, positive unconditional: 880, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 923, positive: 879, positive conditional: 0, positive unconditional: 879, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 734, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 733, negative conditional: 0, negative unconditional: 733, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 27620, positive: 24618, positive conditional: 0, positive unconditional: 24618, negative: 2079, negative conditional: 0, negative unconditional: 2079, unknown: 923, unknown conditional: 0, unknown unconditional: 923] , Statistics on independence cache: Total cache size (in pairs): 923, Positive cache size: 880, Positive conditional cache size: 0, Positive unconditional cache size: 880, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Independence queries for same thread: 729 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55945, positive: 47528, positive conditional: 47528, positive unconditional: 0, negative: 8417, negative conditional: 8417, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54468, positive: 47528, positive conditional: 0, positive unconditional: 47528, negative: 6940, negative conditional: 0, negative unconditional: 6940, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 974, positive: 899, positive conditional: 0, positive unconditional: 899, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 974, positive: 896, positive conditional: 0, positive unconditional: 896, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1225, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1222, negative conditional: 0, negative unconditional: 1222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54468, positive: 46629, positive conditional: 0, positive unconditional: 46629, negative: 6865, negative conditional: 0, negative unconditional: 6865, unknown: 974, unknown conditional: 0, unknown unconditional: 974] , Statistics on independence cache: Total cache size (in pairs): 974, Positive cache size: 899, Positive conditional cache size: 0, Positive unconditional cache size: 899, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75, Independence queries for same thread: 1477 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 141 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1655.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 31.3ms, AutomataDifference: 114.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1223.4ms, PartialOrderReductionTime: 1212.5ms, HoareTripleCheckerStatistics: 90 SDtfs, 34 SDslu, 28 SDs, 0 SdLazy, 7 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=7232occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.3ms SsaConstructionTime, 64.4ms SatisfiabilityAnalysisTime, 129.1ms InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 141 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14569.7ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 94.5ms, AutomataDifference: 6940.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1719.4ms, PartialOrderReductionTime: 1717.4ms, HoareTripleCheckerStatistics: 2312 SDtfs, 3657 SDslu, 12233 SDs, 0 SdLazy, 3817 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3600.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 754 ImplicationChecksByTransitivity, 4072.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=13631occurred in iteration=0, InterpolantAutomatonStates: 221, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 956.2ms AutomataMinimizationTime, 18 MinimizatonAttempts, 9107 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 70.1ms SsaConstructionTime, 1246.1ms SatisfiabilityAnalysisTime, 3351.9ms InterpolantComputationTime, 1452 NumberOfCodeBlocks, 1452 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1434 ConstructedInterpolants, 0 QuantifiedInterpolants, 9093 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...