/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 11:39:39,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 11:39:39,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 11:39:39,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-21 11:39:40,037 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.epf [2021-08-21 11:39:40,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 11:39:40,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 11:39:40,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-21 11:39:40,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-21 11:39:40,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 11:39:40,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 11:39:40,080 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 11:39:40,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 11:39:40,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 11:39:40,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 11:39:40,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 11:39:40,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 11:39:40,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 11:39:40,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 11:39:40,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 11:39:40,096 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 11:39:40,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 11:39:40,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 11:39:40,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 11:39:40,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 11:39:40,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 11:39:40,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 11:39:40,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 11:39:40,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 11:39:40,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 11:39:40,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 11:39:40,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 11:39:40,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 11:39:40,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 11:39:40,099 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 11:39:40,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 11:39:40,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 11:39:40,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 11:39:40,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 11:39:40,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 11:39:40,500 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-21 11:39:40,500 INFO L275 PluginConnector]: CDTParser initialized [2021-08-21 11:39:40,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_pso.oepc.i [2021-08-21 11:39:40,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0274da6/b06fba6ad3264c87b29e953578316c88/FLAG9c38671e4 [2021-08-21 11:39:41,106 INFO L306 CDTParser]: Found 1 translation units. [2021-08-21 11:39:41,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_pso.oepc.i [2021-08-21 11:39:41,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0274da6/b06fba6ad3264c87b29e953578316c88/FLAG9c38671e4 [2021-08-21 11:39:41,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0274da6/b06fba6ad3264c87b29e953578316c88 [2021-08-21 11:39:41,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 11:39:41,402 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-21 11:39:41,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-21 11:39:41,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-21 11:39:41,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-21 11:39:41,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:41,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c5f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41, skipping insertion in model container [2021-08-21 11:39:41,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:41,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-21 11:39:41,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-21 11:39:41,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_pso.oepc.i[950,963] [2021-08-21 11:39:41,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 11:39:41,893 INFO L203 MainTranslator]: Completed pre-run [2021-08-21 11:39:41,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_pso.oepc.i[950,963] [2021-08-21 11:39:41,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 11:39:41,988 INFO L208 MainTranslator]: Completed translation [2021-08-21 11:39:41,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41 WrapperNode [2021-08-21 11:39:41,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-21 11:39:41,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 11:39:41,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 11:39:41,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 11:39:41,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:42,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:42,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 11:39:42,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 11:39:42,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 11:39:42,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 11:39:42,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:42,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:42,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:42,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:42,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:42,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:42,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:42,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 11:39:42,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 11:39:42,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 11:39:42,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 11:39:42,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (1/1) ... [2021-08-21 11:39:42,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 11:39:42,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 11:39:42,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-21 11:39:42,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-21 11:39:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-21 11:39:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-21 11:39:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-21 11:39:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-21 11:39:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-21 11:39:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-21 11:39:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-21 11:39:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-21 11:39:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-21 11:39:42,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-21 11:39:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-21 11:39:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-21 11:39:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 11:39:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 11:39:42,166 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 11:39:45,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 11:39:45,502 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-21 11:39:45,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:39:45 BoogieIcfgContainer [2021-08-21 11:39:45,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 11:39:45,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 11:39:45,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 11:39:45,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 11:39:45,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:39:41" (1/3) ... [2021-08-21 11:39:45,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7616ab18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:39:45, skipping insertion in model container [2021-08-21 11:39:45,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:39:41" (2/3) ... [2021-08-21 11:39:45,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7616ab18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:39:45, skipping insertion in model container [2021-08-21 11:39:45,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:39:45" (3/3) ... [2021-08-21 11:39:45,513 INFO L111 eAbstractionObserver]: Analyzing ICFG safe004_pso.oepc.i [2021-08-21 11:39:45,518 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 11:39:45,518 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 11:39:45,518 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-21 11:39:45,519 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 11:39:45,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,569 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,569 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,570 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,570 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,570 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,570 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,571 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,571 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,575 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,575 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,575 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,576 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,599 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,603 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,625 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,625 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,625 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,625 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,625 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,625 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,625 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,625 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,625 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,625 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,628 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,629 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,641 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,641 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,641 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,642 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,643 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:39:45,645 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-21 11:39:45,689 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 11:39:45,698 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-21 11:39:45,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-21 11:39:45,709 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 106 transitions, 227 flow [2021-08-21 11:39:46,188 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 11934 states, 11931 states have (on average 3.5617299471963793) internal successors, (42495), 11933 states have internal predecessors, (42495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 11934 states, 11931 states have (on average 3.5617299471963793) internal successors, (42495), 11933 states have internal predecessors, (42495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-08-21 11:39:46,312 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:46,312 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:46,313 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:46,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:46,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1934636311, now seen corresponding path program 1 times [2021-08-21 11:39:46,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:46,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556714981] [2021-08-21 11:39:46,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:46,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:46,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:46,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556714981] [2021-08-21 11:39:46,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556714981] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:46,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:46,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-21 11:39:46,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509774356] [2021-08-21 11:39:46,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 11:39:46,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:46,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 11:39:46,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:39:46,623 INFO L87 Difference]: Start difference. First operand has 11934 states, 11931 states have (on average 3.5617299471963793) internal successors, (42495), 11933 states have internal predecessors, (42495), 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 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:46,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:46,908 INFO L93 Difference]: Finished difference Result 10015 states and 34720 transitions. [2021-08-21 11:39:46,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 11:39:46,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2021-08-21 11:39:46,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:47,013 INFO L225 Difference]: With dead ends: 10015 [2021-08-21 11:39:47,014 INFO L226 Difference]: Without dead ends: 8223 [2021-08-21 11:39:47,015 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:39:47,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8223 states. [2021-08-21 11:39:47,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8223 to 8223. [2021-08-21 11:39:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8223 states, 8222 states have (on average 3.4911213816589637) internal successors, (28704), 8222 states have internal predecessors, (28704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8223 states to 8223 states and 28704 transitions. [2021-08-21 11:39:47,574 INFO L78 Accepts]: Start accepts. Automaton has 8223 states and 28704 transitions. Word has length 41 [2021-08-21 11:39:47,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:47,576 INFO L470 AbstractCegarLoop]: Abstraction has 8223 states and 28704 transitions. [2021-08-21 11:39:47,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 8223 states and 28704 transitions. [2021-08-21 11:39:47,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-08-21 11:39:47,597 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:47,597 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:47,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 11:39:47,597 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:47,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:47,600 INFO L82 PathProgramCache]: Analyzing trace with hash -902715647, now seen corresponding path program 1 times [2021-08-21 11:39:47,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:47,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908884925] [2021-08-21 11:39:47,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:47,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:48,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:48,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908884925] [2021-08-21 11:39:48,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908884925] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:48,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:48,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-21 11:39:48,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036331552] [2021-08-21 11:39:48,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 11:39:48,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:48,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 11:39:48,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-21 11:39:48,010 INFO L87 Difference]: Start difference. First operand 8223 states and 28704 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:48,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:48,282 INFO L93 Difference]: Finished difference Result 9983 states and 34548 transitions. [2021-08-21 11:39:48,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 11:39:48,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 67 [2021-08-21 11:39:48,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:48,352 INFO L225 Difference]: With dead ends: 9983 [2021-08-21 11:39:48,352 INFO L226 Difference]: Without dead ends: 7935 [2021-08-21 11:39:48,353 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 149.0ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-08-21 11:39:48,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7935 states. [2021-08-21 11:39:48,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7935 to 7935. [2021-08-21 11:39:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7935 states, 7934 states have (on average 3.4771867910259644) internal successors, (27588), 7934 states have internal predecessors, (27588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7935 states to 7935 states and 27588 transitions. [2021-08-21 11:39:48,746 INFO L78 Accepts]: Start accepts. Automaton has 7935 states and 27588 transitions. Word has length 67 [2021-08-21 11:39:48,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:48,747 INFO L470 AbstractCegarLoop]: Abstraction has 7935 states and 27588 transitions. [2021-08-21 11:39:48,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 7935 states and 27588 transitions. [2021-08-21 11:39:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-08-21 11:39:48,762 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:48,762 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:48,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 11:39:48,763 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:48,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:48,763 INFO L82 PathProgramCache]: Analyzing trace with hash 768759522, now seen corresponding path program 1 times [2021-08-21 11:39:48,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:48,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630037979] [2021-08-21 11:39:48,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:48,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:49,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:49,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:49,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630037979] [2021-08-21 11:39:49,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630037979] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:49,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:49,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-21 11:39:49,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931920140] [2021-08-21 11:39:49,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 11:39:49,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:49,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 11:39:49,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-21 11:39:49,010 INFO L87 Difference]: Start difference. First operand 7935 states and 27588 transitions. 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) [2021-08-21 11:39:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:49,215 INFO L93 Difference]: Finished difference Result 9095 states and 31328 transitions. [2021-08-21 11:39:49,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 11:39:49,216 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 [2021-08-21 11:39:49,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:49,252 INFO L225 Difference]: With dead ends: 9095 [2021-08-21 11:39:49,253 INFO L226 Difference]: Without dead ends: 7239 [2021-08-21 11:39:49,254 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 113.9ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-08-21 11:39:49,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7239 states. [2021-08-21 11:39:49,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7239 to 7239. [2021-08-21 11:39:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7239 states, 7238 states have (on average 3.453440176844432) internal successors, (24996), 7238 states have internal predecessors, (24996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7239 states to 7239 states and 24996 transitions. [2021-08-21 11:39:49,584 INFO L78 Accepts]: Start accepts. Automaton has 7239 states and 24996 transitions. Word has length 69 [2021-08-21 11:39:49,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:49,585 INFO L470 AbstractCegarLoop]: Abstraction has 7239 states and 24996 transitions. [2021-08-21 11:39:49,585 INFO L471 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) [2021-08-21 11:39:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 7239 states and 24996 transitions. [2021-08-21 11:39:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-08-21 11:39:49,693 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:49,694 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:49,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 11:39:49,694 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:49,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:49,695 INFO L82 PathProgramCache]: Analyzing trace with hash -956828765, now seen corresponding path program 1 times [2021-08-21 11:39:49,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:49,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432789618] [2021-08-21 11:39:49,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:49,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:49,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:49,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432789618] [2021-08-21 11:39:49,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432789618] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:49,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:49,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-21 11:39:49,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62121476] [2021-08-21 11:39:49,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-21 11:39:49,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:49,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-21 11:39:49,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-08-21 11:39:49,931 INFO L87 Difference]: Start difference. First operand 7239 states and 24996 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:50,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:50,650 INFO L93 Difference]: Finished difference Result 12027 states and 41712 transitions. [2021-08-21 11:39:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-21 11:39:50,651 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 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 71 [2021-08-21 11:39:50,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:50,681 INFO L225 Difference]: With dead ends: 12027 [2021-08-21 11:39:50,681 INFO L226 Difference]: Without dead ends: 6855 [2021-08-21 11:39:50,681 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 333.6ms TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2021-08-21 11:39:50,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6855 states. [2021-08-21 11:39:50,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6855 to 6843. [2021-08-21 11:39:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6843 states, 6842 states have (on average 3.428821981876644) internal successors, (23460), 6842 states have internal predecessors, (23460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6843 states to 6843 states and 23460 transitions. [2021-08-21 11:39:50,884 INFO L78 Accepts]: Start accepts. Automaton has 6843 states and 23460 transitions. Word has length 71 [2021-08-21 11:39:50,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:50,885 INFO L470 AbstractCegarLoop]: Abstraction has 6843 states and 23460 transitions. [2021-08-21 11:39:50,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 6843 states and 23460 transitions. [2021-08-21 11:39:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-08-21 11:39:50,899 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:50,900 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:50,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-21 11:39:50,900 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:50,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:50,901 INFO L82 PathProgramCache]: Analyzing trace with hash -405904792, now seen corresponding path program 1 times [2021-08-21 11:39:50,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:50,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856555787] [2021-08-21 11:39:50,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:50,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:51,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:51,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856555787] [2021-08-21 11:39:51,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856555787] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:51,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:51,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-21 11:39:51,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351041833] [2021-08-21 11:39:51,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 11:39:51,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:51,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 11:39:51,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-21 11:39:51,029 INFO L87 Difference]: Start difference. First operand 6843 states and 23460 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:51,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:51,250 INFO L93 Difference]: Finished difference Result 11613 states and 39291 transitions. [2021-08-21 11:39:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 11:39:51,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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 72 [2021-08-21 11:39:51,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:51,284 INFO L225 Difference]: With dead ends: 11613 [2021-08-21 11:39:51,285 INFO L226 Difference]: Without dead ends: 7563 [2021-08-21 11:39:51,285 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 141.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-08-21 11:39:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7563 states. [2021-08-21 11:39:51,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7563 to 6483. [2021-08-21 11:39:51,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6483 states, 6482 states have (on average 3.3443381672323356) internal successors, (21678), 6482 states have internal predecessors, (21678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6483 states to 6483 states and 21678 transitions. [2021-08-21 11:39:51,485 INFO L78 Accepts]: Start accepts. Automaton has 6483 states and 21678 transitions. Word has length 72 [2021-08-21 11:39:51,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:51,486 INFO L470 AbstractCegarLoop]: Abstraction has 6483 states and 21678 transitions. [2021-08-21 11:39:51,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 6483 states and 21678 transitions. [2021-08-21 11:39:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-08-21 11:39:51,499 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:51,499 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:51,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-21 11:39:51,499 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:51,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:51,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1155909610, now seen corresponding path program 1 times [2021-08-21 11:39:51,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:51,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130604480] [2021-08-21 11:39:51,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:51,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:51,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:51,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130604480] [2021-08-21 11:39:51,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130604480] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:51,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:51,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-21 11:39:51,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014795050] [2021-08-21 11:39:51,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-21 11:39:51,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:51,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-21 11:39:51,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-21 11:39:51,710 INFO L87 Difference]: Start difference. First operand 6483 states and 21678 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:52,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:52,185 INFO L93 Difference]: Finished difference Result 7336 states and 24390 transitions. [2021-08-21 11:39:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-21 11:39:52,186 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 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 72 [2021-08-21 11:39:52,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:52,215 INFO L225 Difference]: With dead ends: 7336 [2021-08-21 11:39:52,215 INFO L226 Difference]: Without dead ends: 6232 [2021-08-21 11:39:52,215 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 227.9ms TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2021-08-21 11:39:52,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2021-08-21 11:39:52,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 6207. [2021-08-21 11:39:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6207 states, 6206 states have (on average 3.3287141475990976) internal successors, (20658), 6206 states have internal predecessors, (20658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:52,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6207 states to 6207 states and 20658 transitions. [2021-08-21 11:39:52,429 INFO L78 Accepts]: Start accepts. Automaton has 6207 states and 20658 transitions. Word has length 72 [2021-08-21 11:39:52,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:52,430 INFO L470 AbstractCegarLoop]: Abstraction has 6207 states and 20658 transitions. [2021-08-21 11:39:52,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:52,430 INFO L276 IsEmpty]: Start isEmpty. Operand 6207 states and 20658 transitions. [2021-08-21 11:39:52,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-08-21 11:39:52,444 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:52,444 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:52,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-21 11:39:52,445 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:52,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:52,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1718947260, now seen corresponding path program 1 times [2021-08-21 11:39:52,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:52,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970068614] [2021-08-21 11:39:52,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:52,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:52,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:52,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:52,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970068614] [2021-08-21 11:39:52,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970068614] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:52,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:52,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-21 11:39:52,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136770505] [2021-08-21 11:39:52,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-21 11:39:52,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:52,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-21 11:39:52,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-08-21 11:39:52,883 INFO L87 Difference]: Start difference. First operand 6207 states and 20658 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) [2021-08-21 11:39:53,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:53,416 INFO L93 Difference]: Finished difference Result 7537 states and 25082 transitions. [2021-08-21 11:39:53,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 11:39:53,426 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 [2021-08-21 11:39:53,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:53,452 INFO L225 Difference]: With dead ends: 7537 [2021-08-21 11:39:53,453 INFO L226 Difference]: Without dead ends: 6577 [2021-08-21 11:39:53,453 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 298.9ms TimeCoverageRelationStatistics Valid=180, Invalid=372, Unknown=0, NotChecked=0, Total=552 [2021-08-21 11:39:53,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6577 states. [2021-08-21 11:39:53,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6577 to 6257. [2021-08-21 11:39:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6257 states, 6256 states have (on average 3.3228900255754477) internal successors, (20788), 6256 states have internal predecessors, (20788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:53,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6257 states to 6257 states and 20788 transitions. [2021-08-21 11:39:53,640 INFO L78 Accepts]: Start accepts. Automaton has 6257 states and 20788 transitions. Word has length 73 [2021-08-21 11:39:53,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:53,641 INFO L470 AbstractCegarLoop]: Abstraction has 6257 states and 20788 transitions. [2021-08-21 11:39:53,641 INFO L471 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) [2021-08-21 11:39:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 20788 transitions. [2021-08-21 11:39:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-08-21 11:39:53,655 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:53,655 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:53,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-21 11:39:53,656 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:53,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:53,656 INFO L82 PathProgramCache]: Analyzing trace with hash 17979652, now seen corresponding path program 2 times [2021-08-21 11:39:53,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:53,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53401668] [2021-08-21 11:39:53,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:53,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:54,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:54,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53401668] [2021-08-21 11:39:54,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53401668] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:54,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:54,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-21 11:39:54,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394533889] [2021-08-21 11:39:54,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-21 11:39:54,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:54,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-21 11:39:54,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-08-21 11:39:54,016 INFO L87 Difference]: Start difference. First operand 6257 states and 20788 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 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) [2021-08-21 11:39:54,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:54,782 INFO L93 Difference]: Finished difference Result 8011 states and 26666 transitions. [2021-08-21 11:39:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 11:39:54,783 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 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 [2021-08-21 11:39:54,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:54,808 INFO L225 Difference]: With dead ends: 8011 [2021-08-21 11:39:54,808 INFO L226 Difference]: Without dead ends: 7011 [2021-08-21 11:39:54,809 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 436.6ms TimeCoverageRelationStatistics Valid=292, Invalid=638, Unknown=0, NotChecked=0, Total=930 [2021-08-21 11:39:54,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7011 states. [2021-08-21 11:39:55,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7011 to 6677. [2021-08-21 11:39:55,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6677 states, 6676 states have (on average 3.32459556620731) internal successors, (22195), 6676 states have internal predecessors, (22195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 22195 transitions. [2021-08-21 11:39:55,047 INFO L78 Accepts]: Start accepts. Automaton has 6677 states and 22195 transitions. Word has length 73 [2021-08-21 11:39:55,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:55,047 INFO L470 AbstractCegarLoop]: Abstraction has 6677 states and 22195 transitions. [2021-08-21 11:39:55,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 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) [2021-08-21 11:39:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 6677 states and 22195 transitions. [2021-08-21 11:39:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-08-21 11:39:55,065 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:55,065 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:55,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-21 11:39:55,066 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:55,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:55,066 INFO L82 PathProgramCache]: Analyzing trace with hash -2048683279, now seen corresponding path program 1 times [2021-08-21 11:39:55,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:55,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751916671] [2021-08-21 11:39:55,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:55,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:55,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:55,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751916671] [2021-08-21 11:39:55,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751916671] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:55,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:55,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-21 11:39:55,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949201378] [2021-08-21 11:39:55,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-21 11:39:55,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:55,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-21 11:39:55,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-08-21 11:39:55,319 INFO L87 Difference]: Start difference. First operand 6677 states and 22195 transitions. Second operand has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:55,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:55,800 INFO L93 Difference]: Finished difference Result 9803 states and 32557 transitions. [2021-08-21 11:39:55,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 11:39:55,801 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-08-21 11:39:55,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:55,822 INFO L225 Difference]: With dead ends: 9803 [2021-08-21 11:39:55,822 INFO L226 Difference]: Without dead ends: 6203 [2021-08-21 11:39:55,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 226.6ms TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2021-08-21 11:39:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6203 states. [2021-08-21 11:39:55,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6203 to 6203. [2021-08-21 11:39:56,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6203 states, 6202 states have (on average 3.299742018703644) internal successors, (20465), 6202 states have internal predecessors, (20465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6203 states to 6203 states and 20465 transitions. [2021-08-21 11:39:56,036 INFO L78 Accepts]: Start accepts. Automaton has 6203 states and 20465 transitions. Word has length 74 [2021-08-21 11:39:56,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:56,036 INFO L470 AbstractCegarLoop]: Abstraction has 6203 states and 20465 transitions. [2021-08-21 11:39:56,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 6203 states and 20465 transitions. [2021-08-21 11:39:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-08-21 11:39:56,053 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:56,053 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:56,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-21 11:39:56,054 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:56,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:56,054 INFO L82 PathProgramCache]: Analyzing trace with hash -384857776, now seen corresponding path program 1 times [2021-08-21 11:39:56,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:56,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467050882] [2021-08-21 11:39:56,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:56,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:56,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:56,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467050882] [2021-08-21 11:39:56,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467050882] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:56,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:56,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-08-21 11:39:56,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530812735] [2021-08-21 11:39:56,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-21 11:39:56,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:56,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-21 11:39:56,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-08-21 11:39:56,501 INFO L87 Difference]: Start difference. First operand 6203 states and 20465 transitions. Second operand has 16 states, 16 states have (on average 4.625) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:56,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:56,891 INFO L93 Difference]: Finished difference Result 6683 states and 21945 transitions. [2021-08-21 11:39:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 11:39:56,892 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-08-21 11:39:56,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:56,910 INFO L225 Difference]: With dead ends: 6683 [2021-08-21 11:39:56,910 INFO L226 Difference]: Without dead ends: 5915 [2021-08-21 11:39:56,911 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 285.8ms TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2021-08-21 11:39:56,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5915 states. [2021-08-21 11:39:57,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5915 to 5865. [2021-08-21 11:39:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5865 states, 5864 states have (on average 3.291780354706685) internal successors, (19303), 5864 states have internal predecessors, (19303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5865 states to 5865 states and 19303 transitions. [2021-08-21 11:39:57,148 INFO L78 Accepts]: Start accepts. Automaton has 5865 states and 19303 transitions. Word has length 74 [2021-08-21 11:39:57,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:57,149 INFO L470 AbstractCegarLoop]: Abstraction has 5865 states and 19303 transitions. [2021-08-21 11:39:57,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand 5865 states and 19303 transitions. [2021-08-21 11:39:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-08-21 11:39:57,164 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:57,164 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:57,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-21 11:39:57,165 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:57,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:57,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1451613478, now seen corresponding path program 1 times [2021-08-21 11:39:57,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:57,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841843787] [2021-08-21 11:39:57,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:57,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:57,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:57,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841843787] [2021-08-21 11:39:57,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841843787] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:57,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:57,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-21 11:39:57,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081255372] [2021-08-21 11:39:57,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-21 11:39:57,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:57,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-21 11:39:57,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-21 11:39:57,516 INFO L87 Difference]: Start difference. First operand 5865 states and 19303 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 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) [2021-08-21 11:39:57,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:57,998 INFO L93 Difference]: Finished difference Result 8793 states and 28764 transitions. [2021-08-21 11:39:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-21 11:39:57,999 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 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 [2021-08-21 11:39:57,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:58,013 INFO L225 Difference]: With dead ends: 8793 [2021-08-21 11:39:58,013 INFO L226 Difference]: Without dead ends: 5853 [2021-08-21 11:39:58,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 235.9ms TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2021-08-21 11:39:58,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5853 states. [2021-08-21 11:39:58,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5853 to 5224. [2021-08-21 11:39:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5224 states, 5223 states have (on average 3.22841278958453) internal successors, (16862), 5223 states have internal predecessors, (16862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 16862 transitions. [2021-08-21 11:39:58,145 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 16862 transitions. Word has length 75 [2021-08-21 11:39:58,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:58,145 INFO L470 AbstractCegarLoop]: Abstraction has 5224 states and 16862 transitions. [2021-08-21 11:39:58,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 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) [2021-08-21 11:39:58,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 16862 transitions. [2021-08-21 11:39:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-08-21 11:39:58,158 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:58,158 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:58,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-21 11:39:58,158 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:58,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:58,159 INFO L82 PathProgramCache]: Analyzing trace with hash 112007154, now seen corresponding path program 1 times [2021-08-21 11:39:58,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:58,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057111570] [2021-08-21 11:39:58,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:58,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:58,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:58,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057111570] [2021-08-21 11:39:58,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057111570] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:58,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:58,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-21 11:39:58,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636318949] [2021-08-21 11:39:58,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-21 11:39:58,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:58,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-21 11:39:58,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-08-21 11:39:58,562 INFO L87 Difference]: Start difference. First operand 5224 states and 16862 transitions. Second operand has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:59,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:59,178 INFO L93 Difference]: Finished difference Result 8699 states and 27648 transitions. [2021-08-21 11:39:59,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 11:39:59,179 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-08-21 11:39:59,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:59,186 INFO L225 Difference]: With dead ends: 8699 [2021-08-21 11:39:59,186 INFO L226 Difference]: Without dead ends: 3828 [2021-08-21 11:39:59,187 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 395.4ms TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2021-08-21 11:39:59,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2021-08-21 11:39:59,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3648. [2021-08-21 11:39:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3647 states have (on average 3.1582122292295036) internal successors, (11518), 3647 states have internal predecessors, (11518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:59,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 11518 transitions. [2021-08-21 11:39:59,274 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 11518 transitions. Word has length 76 [2021-08-21 11:39:59,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:39:59,274 INFO L470 AbstractCegarLoop]: Abstraction has 3648 states and 11518 transitions. [2021-08-21 11:39:59,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 11518 transitions. [2021-08-21 11:39:59,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-08-21 11:39:59,281 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:39:59,281 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:39:59,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-21 11:39:59,281 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:39:59,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:39:59,282 INFO L82 PathProgramCache]: Analyzing trace with hash 2065242522, now seen corresponding path program 2 times [2021-08-21 11:39:59,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:39:59,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442671173] [2021-08-21 11:39:59,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:39:59,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:39:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:39:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:39:59,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:39:59,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442671173] [2021-08-21 11:39:59,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442671173] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:39:59,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:39:59,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-21 11:39:59,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885449564] [2021-08-21 11:39:59,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-21 11:39:59,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:39:59,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-21 11:39:59,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-08-21 11:39:59,613 INFO L87 Difference]: Start difference. First operand 3648 states and 11518 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:39:59,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:39:59,987 INFO L93 Difference]: Finished difference Result 4155 states and 13092 transitions. [2021-08-21 11:39:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 11:39:59,988 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-08-21 11:39:59,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:39:59,996 INFO L225 Difference]: With dead ends: 4155 [2021-08-21 11:39:59,996 INFO L226 Difference]: Without dead ends: 3675 [2021-08-21 11:39:59,996 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 246.9ms TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2021-08-21 11:40:00,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3675 states. [2021-08-21 11:40:00,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3675 to 3619. [2021-08-21 11:40:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3619 states, 3618 states have (on average 3.1614151464897735) internal successors, (11438), 3618 states have internal predecessors, (11438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:00,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3619 states and 11438 transitions. [2021-08-21 11:40:00,083 INFO L78 Accepts]: Start accepts. Automaton has 3619 states and 11438 transitions. Word has length 76 [2021-08-21 11:40:00,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:40:00,083 INFO L470 AbstractCegarLoop]: Abstraction has 3619 states and 11438 transitions. [2021-08-21 11:40:00,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 11438 transitions. [2021-08-21 11:40:00,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-08-21 11:40:00,091 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:40:00,091 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:40:00,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-21 11:40:00,091 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:40:00,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:40:00,092 INFO L82 PathProgramCache]: Analyzing trace with hash 580008403, now seen corresponding path program 1 times [2021-08-21 11:40:00,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:40:00,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753849298] [2021-08-21 11:40:00,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:40:00,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:40:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:40:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:40:00,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:40:00,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753849298] [2021-08-21 11:40:00,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753849298] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:40:00,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:40:00,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-08-21 11:40:00,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284101838] [2021-08-21 11:40:00,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-21 11:40:00,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:40:00,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-21 11:40:00,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-08-21 11:40:00,673 INFO L87 Difference]: Start difference. First operand 3619 states and 11438 transitions. Second operand has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:01,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:40:01,205 INFO L93 Difference]: Finished difference Result 4647 states and 14611 transitions. [2021-08-21 11:40:01,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-21 11:40:01,206 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-08-21 11:40:01,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:40:01,212 INFO L225 Difference]: With dead ends: 4647 [2021-08-21 11:40:01,212 INFO L226 Difference]: Without dead ends: 3055 [2021-08-21 11:40:01,213 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 395.3ms TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2021-08-21 11:40:01,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2021-08-21 11:40:01,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2867. [2021-08-21 11:40:01,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 2866 states have (on average 3.069783670621075) internal successors, (8798), 2866 states have internal predecessors, (8798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:01,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 8798 transitions. [2021-08-21 11:40:01,270 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 8798 transitions. Word has length 76 [2021-08-21 11:40:01,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:40:01,271 INFO L470 AbstractCegarLoop]: Abstraction has 2867 states and 8798 transitions. [2021-08-21 11:40:01,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:01,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 8798 transitions. [2021-08-21 11:40:01,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-08-21 11:40:01,275 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:40:01,275 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:40:01,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-21 11:40:01,276 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:40:01,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:40:01,276 INFO L82 PathProgramCache]: Analyzing trace with hash 415118420, now seen corresponding path program 3 times [2021-08-21 11:40:01,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:40:01,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391014730] [2021-08-21 11:40:01,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:40:01,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:40:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:40:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:40:01,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:40:01,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391014730] [2021-08-21 11:40:01,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391014730] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:40:01,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:40:01,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-08-21 11:40:01,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419015972] [2021-08-21 11:40:01,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-21 11:40:01,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:40:01,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-21 11:40:01,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-08-21 11:40:01,668 INFO L87 Difference]: Start difference. First operand 2867 states and 8798 transitions. Second operand has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:02,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:40:02,008 INFO L93 Difference]: Finished difference Result 3299 states and 10130 transitions. [2021-08-21 11:40:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-21 11:40:02,009 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-08-21 11:40:02,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:40:02,016 INFO L225 Difference]: With dead ends: 3299 [2021-08-21 11:40:02,016 INFO L226 Difference]: Without dead ends: 2819 [2021-08-21 11:40:02,018 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 208.8ms TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2021-08-21 11:40:02,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2021-08-21 11:40:02,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2812. [2021-08-21 11:40:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2812 states, 2811 states have (on average 3.062611170401992) internal successors, (8609), 2811 states have internal predecessors, (8609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 8609 transitions. [2021-08-21 11:40:02,074 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 8609 transitions. Word has length 76 [2021-08-21 11:40:02,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:40:02,075 INFO L470 AbstractCegarLoop]: Abstraction has 2812 states and 8609 transitions. [2021-08-21 11:40:02,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 8609 transitions. [2021-08-21 11:40:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-08-21 11:40:02,079 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:40:02,079 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:40:02,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-21 11:40:02,079 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:40:02,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:40:02,079 INFO L82 PathProgramCache]: Analyzing trace with hash -203304989, now seen corresponding path program 1 times [2021-08-21 11:40:02,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:40:02,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763176760] [2021-08-21 11:40:02,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:40:02,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:40:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:40:02,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:40:02,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:40:02,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763176760] [2021-08-21 11:40:02,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763176760] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:40:02,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:40:02,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-21 11:40:02,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643787606] [2021-08-21 11:40:02,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 11:40:02,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:40:02,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 11:40:02,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-21 11:40:02,179 INFO L87 Difference]: Start difference. First operand 2812 states and 8609 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 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) [2021-08-21 11:40:02,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:40:02,281 INFO L93 Difference]: Finished difference Result 3288 states and 9945 transitions. [2021-08-21 11:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 11:40:02,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 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 [2021-08-21 11:40:02,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:40:02,287 INFO L225 Difference]: With dead ends: 3288 [2021-08-21 11:40:02,288 INFO L226 Difference]: Without dead ends: 2476 [2021-08-21 11:40:02,288 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 63.8ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-08-21 11:40:02,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2476 states. [2021-08-21 11:40:02,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2476 to 2476. [2021-08-21 11:40:02,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2476 states, 2475 states have (on average 3.0424242424242425) internal successors, (7530), 2475 states have internal predecessors, (7530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 7530 transitions. [2021-08-21 11:40:02,336 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 7530 transitions. Word has length 77 [2021-08-21 11:40:02,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:40:02,336 INFO L470 AbstractCegarLoop]: Abstraction has 2476 states and 7530 transitions. [2021-08-21 11:40:02,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 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) [2021-08-21 11:40:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 7530 transitions. [2021-08-21 11:40:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-08-21 11:40:02,341 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:40:02,341 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:40:02,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-21 11:40:02,341 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:40:02,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:40:02,341 INFO L82 PathProgramCache]: Analyzing trace with hash 171803287, now seen corresponding path program 1 times [2021-08-21 11:40:02,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:40:02,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230555858] [2021-08-21 11:40:02,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:40:02,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:40:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:40:02,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:40:02,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:40:02,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230555858] [2021-08-21 11:40:02,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230555858] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:40:02,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:40:02,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-21 11:40:02,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445574588] [2021-08-21 11:40:02,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 11:40:02,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:40:02,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 11:40:02,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-21 11:40:02,491 INFO L87 Difference]: Start difference. First operand 2476 states and 7530 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:02,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:40:02,606 INFO L93 Difference]: Finished difference Result 2494 states and 7374 transitions. [2021-08-21 11:40:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-21 11:40:02,607 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-08-21 11:40:02,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:40:02,611 INFO L225 Difference]: With dead ends: 2494 [2021-08-21 11:40:02,612 INFO L226 Difference]: Without dead ends: 1882 [2021-08-21 11:40:02,612 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 80.4ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-08-21 11:40:02,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2021-08-21 11:40:02,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1882. [2021-08-21 11:40:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1882 states, 1881 states have (on average 2.934609250398724) internal successors, (5520), 1881 states have internal predecessors, (5520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 5520 transitions. [2021-08-21 11:40:02,647 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 5520 transitions. Word has length 78 [2021-08-21 11:40:02,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:40:02,648 INFO L470 AbstractCegarLoop]: Abstraction has 1882 states and 5520 transitions. [2021-08-21 11:40:02,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 5520 transitions. [2021-08-21 11:40:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-21 11:40:02,655 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:40:02,655 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:40:02,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-21 11:40:02,655 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:40:02,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:40:02,655 INFO L82 PathProgramCache]: Analyzing trace with hash -641456734, now seen corresponding path program 1 times [2021-08-21 11:40:02,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:40:02,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885165218] [2021-08-21 11:40:02,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:40:02,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:40:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:40:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:40:03,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:40:03,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885165218] [2021-08-21 11:40:03,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885165218] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:40:03,103 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:40:03,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-21 11:40:03,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367446969] [2021-08-21 11:40:03,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-21 11:40:03,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:40:03,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-21 11:40:03,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-08-21 11:40:03,105 INFO L87 Difference]: Start difference. First operand 1882 states and 5520 transitions. Second operand has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:03,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:40:03,382 INFO L93 Difference]: Finished difference Result 2212 states and 6418 transitions. [2021-08-21 11:40:03,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-21 11:40:03,382 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-08-21 11:40:03,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:40:03,386 INFO L225 Difference]: With dead ends: 2212 [2021-08-21 11:40:03,386 INFO L226 Difference]: Without dead ends: 1867 [2021-08-21 11:40:03,386 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 234.9ms TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2021-08-21 11:40:03,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2021-08-21 11:40:03,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1867. [2021-08-21 11:40:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1867 states, 1866 states have (on average 2.9367631296891745) internal successors, (5480), 1866 states have internal predecessors, (5480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:03,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 5480 transitions. [2021-08-21 11:40:03,411 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 5480 transitions. Word has length 79 [2021-08-21 11:40:03,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:40:03,411 INFO L470 AbstractCegarLoop]: Abstraction has 1867 states and 5480 transitions. [2021-08-21 11:40:03,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 5480 transitions. [2021-08-21 11:40:03,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-21 11:40:03,414 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:40:03,414 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:40:03,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-21 11:40:03,414 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:40:03,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:40:03,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1145496256, now seen corresponding path program 2 times [2021-08-21 11:40:03,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:40:03,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524773755] [2021-08-21 11:40:03,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:40:03,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:40:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:40:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:40:03,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:40:03,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524773755] [2021-08-21 11:40:03,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524773755] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:40:03,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:40:03,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-08-21 11:40:03,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472976206] [2021-08-21 11:40:03,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-21 11:40:03,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:40:03,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-21 11:40:03,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2021-08-21 11:40:03,956 INFO L87 Difference]: Start difference. First operand 1867 states and 5480 transitions. Second operand has 20 states, 20 states have (on average 3.95) internal successors, (79), 20 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:04,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:40:04,516 INFO L93 Difference]: Finished difference Result 2080 states and 6120 transitions. [2021-08-21 11:40:04,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 11:40:04,516 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.95) internal successors, (79), 20 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-08-21 11:40:04,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:40:04,520 INFO L225 Difference]: With dead ends: 2080 [2021-08-21 11:40:04,520 INFO L226 Difference]: Without dead ends: 1662 [2021-08-21 11:40:04,520 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 497.2ms TimeCoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2021-08-21 11:40:04,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2021-08-21 11:40:04,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1557. [2021-08-21 11:40:04,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1556 states have (on average 2.98586118251928) internal successors, (4646), 1556 states have internal predecessors, (4646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 4646 transitions. [2021-08-21 11:40:04,544 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 4646 transitions. Word has length 79 [2021-08-21 11:40:04,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:40:04,544 INFO L470 AbstractCegarLoop]: Abstraction has 1557 states and 4646 transitions. [2021-08-21 11:40:04,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.95) internal successors, (79), 20 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 4646 transitions. [2021-08-21 11:40:04,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-08-21 11:40:04,547 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:40:04,547 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:40:04,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-21 11:40:04,547 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:40:04,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:40:04,548 INFO L82 PathProgramCache]: Analyzing trace with hash 289519222, now seen corresponding path program 1 times [2021-08-21 11:40:04,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:40:04,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984577828] [2021-08-21 11:40:04,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:40:04,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:40:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:40:04,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:40:04,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:40:04,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984577828] [2021-08-21 11:40:04,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984577828] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:40:04,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:40:04,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-21 11:40:04,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177172699] [2021-08-21 11:40:04,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-21 11:40:04,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:40:04,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-21 11:40:04,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-21 11:40:04,664 INFO L87 Difference]: Start difference. First operand 1557 states and 4646 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:04,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:40:04,765 INFO L93 Difference]: Finished difference Result 1287 states and 3683 transitions. [2021-08-21 11:40:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-21 11:40:04,765 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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 80 [2021-08-21 11:40:04,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:40:04,767 INFO L225 Difference]: With dead ends: 1287 [2021-08-21 11:40:04,767 INFO L226 Difference]: Without dead ends: 963 [2021-08-21 11:40:04,768 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 74.0ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-08-21 11:40:04,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-08-21 11:40:04,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-08-21 11:40:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 2.771309771309771) internal successors, (2666), 962 states have internal predecessors, (2666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 2666 transitions. [2021-08-21 11:40:04,781 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 2666 transitions. Word has length 80 [2021-08-21 11:40:04,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:40:04,781 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 2666 transitions. [2021-08-21 11:40:04,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:40:04,781 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 2666 transitions. [2021-08-21 11:40:04,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-08-21 11:40:04,783 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:40:04,783 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:40:04,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-21 11:40:04,783 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 11:40:04,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:40:04,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1355936681, now seen corresponding path program 1 times [2021-08-21 11:40:04,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:40:04,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200789185] [2021-08-21 11:40:04,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:40:04,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:40:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-21 11:40:04,838 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-21 11:40:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-21 11:40:04,957 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-21 11:40:04,957 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-21 11:40:04,958 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:40:04,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:40:04,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 11:40:04,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 11:40:04,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-21 11:40:04,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:40:04,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-21 11:40:04,968 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 11:40:04,968 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 11:40:05,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:40:05 BasicIcfg [2021-08-21 11:40:05,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 11:40:05,121 INFO L168 Benchmark]: Toolchain (without parser) took 23718.37 ms. Allocated memory was 200.3 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 163.8 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 906.1 MB. Max. memory is 8.0 GB. [2021-08-21 11:40:05,121 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 200.3 MB. Free memory is still 181.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 11:40:05,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.01 ms. Allocated memory is still 200.3 MB. Free memory was 163.6 MB in the beginning and 168.0 MB in the end (delta: -4.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-21 11:40:05,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.87 ms. Allocated memory is still 200.3 MB. Free memory was 168.0 MB in the beginning and 164.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-21 11:40:05,122 INFO L168 Benchmark]: Boogie Preprocessor took 37.62 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 161.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-21 11:40:05,123 INFO L168 Benchmark]: RCFGBuilder took 3428.58 ms. Allocated memory was 200.3 MB in the beginning and 241.2 MB in the end (delta: 40.9 MB). Free memory was 161.7 MB in the beginning and 182.8 MB in the end (delta: -21.1 MB). Peak memory consumption was 127.8 MB. Max. memory is 8.0 GB. [2021-08-21 11:40:05,123 INFO L168 Benchmark]: TraceAbstraction took 19612.52 ms. Allocated memory was 241.2 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 182.3 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 883.5 MB. Max. memory is 8.0 GB. [2021-08-21 11:40:05,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 200.3 MB. Free memory is still 181.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 583.01 ms. Allocated memory is still 200.3 MB. Free memory was 163.6 MB in the beginning and 168.0 MB in the end (delta: -4.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.87 ms. Allocated memory is still 200.3 MB. Free memory was 168.0 MB in the beginning and 164.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.62 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 161.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3428.58 ms. Allocated memory was 200.3 MB in the beginning and 241.2 MB in the end (delta: 40.9 MB). Free memory was 161.7 MB in the beginning and 182.8 MB in the end (delta: -21.1 MB). Peak memory consumption was 127.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19612.52 ms. Allocated memory was 241.2 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 182.3 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 883.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L713] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L714] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L715] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L717] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L719] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L720] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L721] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L722] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L723] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L724] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L725] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L726] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L727] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L728] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L729] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L730] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L731] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L732] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L733] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L734] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L735] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L736] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L737] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L844] 0 pthread_t t1879; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L845] FCALL, FORK 0 pthread_create(&t1879, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y$w_buff1 = y$w_buff0 [L742] 1 y$w_buff0 = 2 [L743] 1 y$w_buff1_used = y$w_buff0_used [L744] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L746] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L747] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L748] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L749] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L750] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L846] 0 pthread_t t1880; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L847] FCALL, FORK 0 pthread_create(&t1880, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L770] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L776] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L776] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L776] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L776] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L777] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L777] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L778] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L778] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L779] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L779] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L780] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L848] 0 pthread_t t1881; VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L849] FCALL, FORK 0 pthread_create(&t1881, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 y$flush_delayed = weak$$choice2 [L793] 3 y$mem_tmp = y [L794] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L794] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L795] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L795] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L795] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L795] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L796] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L796] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L796] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L796] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L797] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L797] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L797] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L797] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L798] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L798] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L799] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L799] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L799] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L800] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EAX = y [L802] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L802] 3 y = y$flush_delayed ? y$mem_tmp : y [L803] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L806] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L807] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L808] 3 y$flush_delayed = weak$$choice2 [L809] 3 y$mem_tmp = y [L810] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L810] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L811] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L811] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L812] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L812] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L813] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L813] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L814] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L815] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L816] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L817] 3 __unbuffered_p2_EBX = y [L818] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L818] 3 y = y$flush_delayed ? y$mem_tmp : y [L819] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L756] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L757] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L757] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L758] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L758] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L759] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L759] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L760] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L760] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L822] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L822] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L823] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L823] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L824] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L825] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L826] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L829] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L851] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L855] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L855] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L856] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L856] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L857] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L858] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L859] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L862] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L863] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L864] 0 y$flush_delayed = weak$$choice2 [L865] 0 y$mem_tmp = y [L866] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L866] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L867] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L867] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L867] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L867] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L868] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L868] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L868] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L868] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L869] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L869] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L869] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L869] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L870] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L870] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L870] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L870] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L871] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L871] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L871] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L871] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L872] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L872] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) [L874] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L874] 0 y = y$flush_delayed ? y$mem_tmp : y [L875] 0 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 845]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 133 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 19276.4ms, OverallIterations: 21, TraceHistogramMax: 1, EmptinessCheckTime: 420.0ms, AutomataDifference: 8408.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 490.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2685 SDtfs, 5594 SDslu, 12767 SDs, 0 SdLazy, 2586 SolverSat, 746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3028.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 387 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1260 ImplicationChecksByTransitivity, 4653.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11934occurred in iteration=0, InterpolantAutomatonStates: 284, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3322.5ms AutomataMinimizationTime, 20 MinimizatonAttempts, 2986 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 87.2ms SsaConstructionTime, 1113.8ms SatisfiabilityAnalysisTime, 5001.5ms InterpolantComputationTime, 1540 NumberOfCodeBlocks, 1540 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1438 ConstructedInterpolants, 0 QuantifiedInterpolants, 12042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-08-21 11:40:05,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...