/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/goblint-regression/28-race_reach_75-tricky_address2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 18:25:04,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 18:25:04,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 18:25:04,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-12 18:25:04,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 18:25:04,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 18:25:04,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 18:25:04,752 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 [2021-08-12 18:25:04,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 18:25:04,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 18:25:04,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-12 18:25:04,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-12 18:25:04,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 18:25:04,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 18:25:04,782 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 18:25:04,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 18:25:04,782 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 18:25:04,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 18:25:04,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 18:25:04,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 18:25:04,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 18:25:04,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 18:25:04,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 18:25:04,784 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 18:25:04,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 18:25:04,784 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 18:25:04,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 18:25:04,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 18:25:04,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 18:25:04,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 18:25:04,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 18:25:04,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 18:25:04,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 18:25:04,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 18:25:04,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 18:25:04,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 18:25:04,785 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 18:25:04,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 18:25:04,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 18:25:05,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 18:25:05,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 18:25:05,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 18:25:05,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 18:25:05,088 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 18:25:05,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_75-tricky_address2_racefree.i [2021-08-12 18:25:05,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c2506d4/acb84bb72bce470488f3d34ea9c2070d/FLAGe859e6035 [2021-08-12 18:25:05,544 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 18:25:05,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_75-tricky_address2_racefree.i [2021-08-12 18:25:05,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c2506d4/acb84bb72bce470488f3d34ea9c2070d/FLAGe859e6035 [2021-08-12 18:25:05,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c2506d4/acb84bb72bce470488f3d34ea9c2070d [2021-08-12 18:25:05,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 18:25:05,564 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 18:25:05,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 18:25:05,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 18:25:05,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 18:25:05,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 06:25:05" (1/1) ... [2021-08-12 18:25:05,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e771a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:05, skipping insertion in model container [2021-08-12 18:25:05,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 06:25:05" (1/1) ... [2021-08-12 18:25:05,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 18:25:05,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 18:25:05,914 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_75-tricky_address2_racefree.i[41060,41073] [2021-08-12 18:25:05,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 18:25:05,959 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 18:25:05,992 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_75-tricky_address2_racefree.i[41060,41073] [2021-08-12 18:25:06,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 18:25:06,121 INFO L208 MainTranslator]: Completed translation [2021-08-12 18:25:06,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06 WrapperNode [2021-08-12 18:25:06,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 18:25:06,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 18:25:06,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 18:25:06,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 18:25:06,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (1/1) ... [2021-08-12 18:25:06,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (1/1) ... [2021-08-12 18:25:06,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 18:25:06,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 18:25:06,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 18:25:06,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 18:25:06,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (1/1) ... [2021-08-12 18:25:06,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (1/1) ... [2021-08-12 18:25:06,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (1/1) ... [2021-08-12 18:25:06,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (1/1) ... [2021-08-12 18:25:06,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (1/1) ... [2021-08-12 18:25:06,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (1/1) ... [2021-08-12 18:25:06,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (1/1) ... [2021-08-12 18:25:06,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 18:25:06,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 18:25:06,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 18:25:06,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 18:25:06,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 18:25:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 18:25:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 18:25:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-12 18:25:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 18:25:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-12 18:25:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-08-12 18:25:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-08-12 18:25:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-12 18:25:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 18:25:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 18:25:06,284 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 18:25:06,814 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 18:25:06,815 INFO L299 CfgBuilder]: Removed 35 assume(true) statements. [2021-08-12 18:25:06,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 06:25:06 BoogieIcfgContainer [2021-08-12 18:25:06,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 18:25:06,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 18:25:06,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 18:25:06,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 18:25:06,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 06:25:05" (1/3) ... [2021-08-12 18:25:06,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da4b80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 06:25:06, skipping insertion in model container [2021-08-12 18:25:06,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 06:25:06" (2/3) ... [2021-08-12 18:25:06,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da4b80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 06:25:06, skipping insertion in model container [2021-08-12 18:25:06,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 06:25:06" (3/3) ... [2021-08-12 18:25:06,823 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_75-tricky_address2_racefree.i [2021-08-12 18:25:06,827 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 18:25:06,828 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-12 18:25:06,828 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 18:25:06,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,873 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,873 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,873 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:06,901 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-12 18:25:06,917 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-12 18:25:06,940 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 18:25:06,940 INFO L379 AbstractCegarLoop]: Hoare is true [2021-08-12 18:25:06,940 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 18:25:06,941 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 18:25:06,941 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 18:25:06,941 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 18:25:06,941 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 18:25:06,941 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 18:25:06,952 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 155 places, 183 transitions, 374 flow [2021-08-12 18:25:07,117 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3441 states, 3431 states have (on average 2.4054211600116586) internal successors, (8253), 3440 states have internal predecessors, (8253), 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) [2021-08-12 18:25:07,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 3441 states, 3431 states have (on average 2.4054211600116586) internal successors, (8253), 3440 states have internal predecessors, (8253), 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) [2021-08-12 18:25:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-12 18:25:07,142 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:07,143 INFO L550 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] [2021-08-12 18:25:07,143 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:07,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:07,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1291964669, now seen corresponding path program 1 times [2021-08-12 18:25:07,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:07,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653722799] [2021-08-12 18:25:07,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 18:25:07,276 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:07,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653722799] [2021-08-12 18:25:07,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653722799] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 18:25:07,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 18:25:07,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 18:25:07,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459121990] [2021-08-12 18:25:07,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-08-12 18:25:07,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:07,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-12 18:25:07,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-12 18:25:07,295 INFO L87 Difference]: Start difference. First operand has 3441 states, 3431 states have (on average 2.4054211600116586) internal successors, (8253), 3440 states have internal predecessors, (8253), 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 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2021-08-12 18:25:07,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:07,402 INFO L93 Difference]: Finished difference Result 6743 states and 16225 transitions. [2021-08-12 18:25:07,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-12 18:25:07,403 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 42 [2021-08-12 18:25:07,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:07,429 INFO L225 Difference]: With dead ends: 6743 [2021-08-12 18:25:07,429 INFO L226 Difference]: Without dead ends: 2204 [2021-08-12 18:25:07,440 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-12 18:25:07,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2021-08-12 18:25:07,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 2204. [2021-08-12 18:25:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2204 states, 2195 states have (on average 1.9553530751708428) internal successors, (4292), 2203 states have internal predecessors, (4292), 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) [2021-08-12 18:25:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 2204 states and 4292 transitions. [2021-08-12 18:25:07,549 INFO L78 Accepts]: Start accepts. Automaton has 2204 states and 4292 transitions. Word has length 42 [2021-08-12 18:25:07,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:07,550 INFO L482 AbstractCegarLoop]: Abstraction has 2204 states and 4292 transitions. [2021-08-12 18:25:07,550 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2021-08-12 18:25:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 4292 transitions. [2021-08-12 18:25:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-12 18:25:07,552 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:07,552 INFO L550 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] [2021-08-12 18:25:07,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 18:25:07,552 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:07,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:07,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1864530047, now seen corresponding path program 1 times [2021-08-12 18:25:07,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:07,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911428632] [2021-08-12 18:25:07,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 18:25:07,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:07,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911428632] [2021-08-12 18:25:07,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911428632] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 18:25:07,660 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 18:25:07,660 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 18:25:07,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303771231] [2021-08-12 18:25:07,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 18:25:07,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:07,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 18:25:07,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 18:25:07,662 INFO L87 Difference]: Start difference. First operand 2204 states and 4292 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-08-12 18:25:07,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:07,776 INFO L93 Difference]: Finished difference Result 4389 states and 8565 transitions. [2021-08-12 18:25:07,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 18:25:07,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 42 [2021-08-12 18:25:07,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:07,788 INFO L225 Difference]: With dead ends: 4389 [2021-08-12 18:25:07,789 INFO L226 Difference]: Without dead ends: 2208 [2021-08-12 18:25:07,797 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 18:25:07,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2021-08-12 18:25:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2205. [2021-08-12 18:25:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2205 states, 2196 states have (on average 1.9549180327868851) internal successors, (4293), 2204 states have internal predecessors, (4293), 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) [2021-08-12 18:25:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 2205 states and 4293 transitions. [2021-08-12 18:25:07,854 INFO L78 Accepts]: Start accepts. Automaton has 2205 states and 4293 transitions. Word has length 42 [2021-08-12 18:25:07,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:07,854 INFO L482 AbstractCegarLoop]: Abstraction has 2205 states and 4293 transitions. [2021-08-12 18:25:07,854 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-08-12 18:25:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 4293 transitions. [2021-08-12 18:25:07,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-08-12 18:25:07,859 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:07,859 INFO L550 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] [2021-08-12 18:25:07,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 18:25:07,860 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:07,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:07,863 INFO L82 PathProgramCache]: Analyzing trace with hash -404342279, now seen corresponding path program 1 times [2021-08-12 18:25:07,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:07,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914354595] [2021-08-12 18:25:07,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 18:25:07,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:07,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914354595] [2021-08-12 18:25:07,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914354595] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:07,956 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39317468] [2021-08-12 18:25:07,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:08,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-12 18:25:08,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:25:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 18:25:08,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39317468] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 18:25:08,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 18:25:08,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-12 18:25:08,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162155624] [2021-08-12 18:25:08,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 18:25:08,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:08,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 18:25:08,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-12 18:25:08,216 INFO L87 Difference]: Start difference. First operand 2205 states and 4293 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 18:25:08,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:08,267 INFO L93 Difference]: Finished difference Result 2205 states and 4293 transitions. [2021-08-12 18:25:08,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 18:25:08,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-08-12 18:25:08,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:08,279 INFO L225 Difference]: With dead ends: 2205 [2021-08-12 18:25:08,279 INFO L226 Difference]: Without dead ends: 2191 [2021-08-12 18:25:08,280 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.9ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-12 18:25:08,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2021-08-12 18:25:08,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 2191. [2021-08-12 18:25:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2191 states, 2183 states have (on average 1.9601465872652313) internal successors, (4279), 2190 states have internal predecessors, (4279), 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) [2021-08-12 18:25:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 4279 transitions. [2021-08-12 18:25:08,357 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 4279 transitions. Word has length 47 [2021-08-12 18:25:08,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:08,357 INFO L482 AbstractCegarLoop]: Abstraction has 2191 states and 4279 transitions. [2021-08-12 18:25:08,357 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 18:25:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 4279 transitions. [2021-08-12 18:25:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-08-12 18:25:08,358 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:08,358 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:25:08,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-08-12 18:25:08,569 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:08,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:08,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1161251520, now seen corresponding path program 1 times [2021-08-12 18:25:08,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:08,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37709490] [2021-08-12 18:25:08,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:08,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:08,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37709490] [2021-08-12 18:25:08,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37709490] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:08,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364131617] [2021-08-12 18:25:08,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:08,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-12 18:25:08,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:25:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:08,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364131617] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:08,870 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:25:08,870 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-12 18:25:08,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824768310] [2021-08-12 18:25:08,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 18:25:08,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:08,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 18:25:08,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-12 18:25:08,871 INFO L87 Difference]: Start difference. First operand 2191 states and 4279 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-08-12 18:25:08,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:08,972 INFO L93 Difference]: Finished difference Result 4366 states and 8542 transitions. [2021-08-12 18:25:08,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 18:25:08,972 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 48 [2021-08-12 18:25:08,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:08,986 INFO L225 Difference]: With dead ends: 4366 [2021-08-12 18:25:08,986 INFO L226 Difference]: Without dead ends: 2199 [2021-08-12 18:25:08,992 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 40.6ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-12 18:25:09,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2199 states. [2021-08-12 18:25:09,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2199 to 2196. [2021-08-12 18:25:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2196 states, 2188 states have (on average 1.9579524680073126) internal successors, (4284), 2195 states have internal predecessors, (4284), 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) [2021-08-12 18:25:09,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 4284 transitions. [2021-08-12 18:25:09,071 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 4284 transitions. Word has length 48 [2021-08-12 18:25:09,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:09,072 INFO L482 AbstractCegarLoop]: Abstraction has 2196 states and 4284 transitions. [2021-08-12 18:25:09,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-08-12 18:25:09,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 4284 transitions. [2021-08-12 18:25:09,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-12 18:25:09,073 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:09,073 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:25:09,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:09,289 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:09,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:09,289 INFO L82 PathProgramCache]: Analyzing trace with hash 392053560, now seen corresponding path program 2 times [2021-08-12 18:25:09,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:09,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693483603] [2021-08-12 18:25:09,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:09,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:09,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693483603] [2021-08-12 18:25:09,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693483603] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:09,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827611313] [2021-08-12 18:25:09,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:09,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 18:25:09,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:25:09,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 18:25:09,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:25:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:09,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827611313] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:09,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:25:09,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-08-12 18:25:09,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027963250] [2021-08-12 18:25:09,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 18:25:09,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:09,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 18:25:09,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-12 18:25:09,600 INFO L87 Difference]: Start difference. First operand 2196 states and 4284 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 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) [2021-08-12 18:25:09,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:09,693 INFO L93 Difference]: Finished difference Result 4371 states and 8547 transitions. [2021-08-12 18:25:09,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 18:25:09,694 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-08-12 18:25:09,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:09,704 INFO L225 Difference]: With dead ends: 4371 [2021-08-12 18:25:09,704 INFO L226 Difference]: Without dead ends: 2204 [2021-08-12 18:25:09,708 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 69.3ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-08-12 18:25:09,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2021-08-12 18:25:09,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 2201. [2021-08-12 18:25:09,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2201 states, 2193 states have (on average 1.9557683538531692) internal successors, (4289), 2200 states have internal predecessors, (4289), 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) [2021-08-12 18:25:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 4289 transitions. [2021-08-12 18:25:09,746 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 4289 transitions. Word has length 53 [2021-08-12 18:25:09,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:09,746 INFO L482 AbstractCegarLoop]: Abstraction has 2201 states and 4289 transitions. [2021-08-12 18:25:09,746 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 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) [2021-08-12 18:25:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 4289 transitions. [2021-08-12 18:25:09,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-12 18:25:09,747 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:09,747 INFO L550 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:25:09,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:09,961 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:09,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:09,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1416112704, now seen corresponding path program 3 times [2021-08-12 18:25:09,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:09,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74955650] [2021-08-12 18:25:09,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:10,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:10,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74955650] [2021-08-12 18:25:10,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74955650] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:10,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995889353] [2021-08-12 18:25:10,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:10,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-12 18:25:10,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:25:10,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-12 18:25:10,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:25:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:10,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995889353] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:10,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:25:10,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-08-12 18:25:10,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120437429] [2021-08-12 18:25:10,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 18:25:10,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:10,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 18:25:10,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-08-12 18:25:10,280 INFO L87 Difference]: Start difference. First operand 2201 states and 4289 transitions. Second operand has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 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) [2021-08-12 18:25:10,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:10,417 INFO L93 Difference]: Finished difference Result 4376 states and 8552 transitions. [2021-08-12 18:25:10,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 18:25:10,418 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 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 58 [2021-08-12 18:25:10,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:10,428 INFO L225 Difference]: With dead ends: 4376 [2021-08-12 18:25:10,429 INFO L226 Difference]: Without dead ends: 2209 [2021-08-12 18:25:10,432 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 114.9ms TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-08-12 18:25:10,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2209 states. [2021-08-12 18:25:10,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2209 to 2206. [2021-08-12 18:25:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 2198 states have (on average 1.953594176524113) internal successors, (4294), 2205 states have internal predecessors, (4294), 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) [2021-08-12 18:25:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 4294 transitions. [2021-08-12 18:25:10,487 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 4294 transitions. Word has length 58 [2021-08-12 18:25:10,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:10,488 INFO L482 AbstractCegarLoop]: Abstraction has 2206 states and 4294 transitions. [2021-08-12 18:25:10,488 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 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) [2021-08-12 18:25:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 4294 transitions. [2021-08-12 18:25:10,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-08-12 18:25:10,488 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:10,489 INFO L550 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:25:10,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:10,705 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:10,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:10,706 INFO L82 PathProgramCache]: Analyzing trace with hash -560162760, now seen corresponding path program 4 times [2021-08-12 18:25:10,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:10,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141498340] [2021-08-12 18:25:10,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:10,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:10,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141498340] [2021-08-12 18:25:10,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141498340] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:10,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884789974] [2021-08-12 18:25:10,804 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:10,883 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 18:25:10,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:25:10,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-12 18:25:10,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:25:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:11,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884789974] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:11,028 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:25:11,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-12 18:25:11,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409875475] [2021-08-12 18:25:11,028 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-08-12 18:25:11,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:11,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-12 18:25:11,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-12 18:25:11,029 INFO L87 Difference]: Start difference. First operand 2206 states and 4294 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 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) [2021-08-12 18:25:11,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:11,192 INFO L93 Difference]: Finished difference Result 4381 states and 8557 transitions. [2021-08-12 18:25:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 18:25:11,193 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-08-12 18:25:11,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:11,203 INFO L225 Difference]: With dead ends: 4381 [2021-08-12 18:25:11,204 INFO L226 Difference]: Without dead ends: 2214 [2021-08-12 18:25:11,207 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 158.6ms TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-08-12 18:25:11,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2021-08-12 18:25:11,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2211. [2021-08-12 18:25:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 2203 states have (on average 1.9514298683613254) internal successors, (4299), 2210 states have internal predecessors, (4299), 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) [2021-08-12 18:25:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 4299 transitions. [2021-08-12 18:25:11,246 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 4299 transitions. Word has length 63 [2021-08-12 18:25:11,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:11,247 INFO L482 AbstractCegarLoop]: Abstraction has 2211 states and 4299 transitions. [2021-08-12 18:25:11,247 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 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) [2021-08-12 18:25:11,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 4299 transitions. [2021-08-12 18:25:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-08-12 18:25:11,247 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:11,247 INFO L550 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:25:11,460 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-08-12 18:25:11,461 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:11,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:11,461 INFO L82 PathProgramCache]: Analyzing trace with hash -955866944, now seen corresponding path program 5 times [2021-08-12 18:25:11,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:11,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829272002] [2021-08-12 18:25:11,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:11,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:11,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829272002] [2021-08-12 18:25:11,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829272002] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:11,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054413869] [2021-08-12 18:25:11,604 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:11,712 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-12 18:25:11,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:25:11,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-12 18:25:11,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:25:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:11,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054413869] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:11,892 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:25:11,892 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-08-12 18:25:11,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944218437] [2021-08-12 18:25:11,893 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 18:25:11,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:11,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 18:25:11,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-08-12 18:25:11,893 INFO L87 Difference]: Start difference. First operand 2211 states and 4299 transitions. Second operand has 15 states, 15 states have (on average 4.6) internal successors, (69), 15 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) [2021-08-12 18:25:12,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:12,124 INFO L93 Difference]: Finished difference Result 4386 states and 8562 transitions. [2021-08-12 18:25:12,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 18:25:12,125 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.6) internal successors, (69), 15 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 68 [2021-08-12 18:25:12,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:12,135 INFO L225 Difference]: With dead ends: 4386 [2021-08-12 18:25:12,135 INFO L226 Difference]: Without dead ends: 2219 [2021-08-12 18:25:12,139 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 224.5ms TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2021-08-12 18:25:12,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2021-08-12 18:25:12,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2216. [2021-08-12 18:25:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 2208 states have (on average 1.9492753623188406) internal successors, (4304), 2215 states have internal predecessors, (4304), 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) [2021-08-12 18:25:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 4304 transitions. [2021-08-12 18:25:12,182 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 4304 transitions. Word has length 68 [2021-08-12 18:25:12,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:12,183 INFO L482 AbstractCegarLoop]: Abstraction has 2216 states and 4304 transitions. [2021-08-12 18:25:12,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.6) internal successors, (69), 15 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) [2021-08-12 18:25:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 4304 transitions. [2021-08-12 18:25:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-08-12 18:25:12,183 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:12,183 INFO L550 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:25:12,399 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:12,400 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:12,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:12,400 INFO L82 PathProgramCache]: Analyzing trace with hash 531934520, now seen corresponding path program 6 times [2021-08-12 18:25:12,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:12,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623662731] [2021-08-12 18:25:12,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:12,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:12,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623662731] [2021-08-12 18:25:12,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623662731] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:12,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137147321] [2021-08-12 18:25:12,556 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:12,674 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-12 18:25:12,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:25:12,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 18:25:12,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:25:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:12,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137147321] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:12,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:25:12,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-08-12 18:25:12,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764607217] [2021-08-12 18:25:12,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-08-12 18:25:12,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:12,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-12 18:25:12,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-08-12 18:25:12,860 INFO L87 Difference]: Start difference. First operand 2216 states and 4304 transitions. Second operand has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 17 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) [2021-08-12 18:25:13,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:13,103 INFO L93 Difference]: Finished difference Result 4391 states and 8567 transitions. [2021-08-12 18:25:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 18:25:13,104 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 17 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 73 [2021-08-12 18:25:13,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:13,116 INFO L225 Difference]: With dead ends: 4391 [2021-08-12 18:25:13,116 INFO L226 Difference]: Without dead ends: 2224 [2021-08-12 18:25:13,120 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 264.0ms TimeCoverageRelationStatistics Valid=263, Invalid=549, Unknown=0, NotChecked=0, Total=812 [2021-08-12 18:25:13,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2224 states. [2021-08-12 18:25:13,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2224 to 2221. [2021-08-12 18:25:13,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2221 states, 2213 states have (on average 1.94713059195662) internal successors, (4309), 2220 states have internal predecessors, (4309), 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) [2021-08-12 18:25:13,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 4309 transitions. [2021-08-12 18:25:13,162 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 4309 transitions. Word has length 73 [2021-08-12 18:25:13,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:13,163 INFO L482 AbstractCegarLoop]: Abstraction has 2221 states and 4309 transitions. [2021-08-12 18:25:13,163 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 17 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) [2021-08-12 18:25:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 4309 transitions. [2021-08-12 18:25:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-08-12 18:25:13,167 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:13,167 INFO L550 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:25:13,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:13,381 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:13,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:13,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1253288896, now seen corresponding path program 7 times [2021-08-12 18:25:13,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:13,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639595883] [2021-08-12 18:25:13,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:13,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:13,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639595883] [2021-08-12 18:25:13,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639595883] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:13,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721430924] [2021-08-12 18:25:13,580 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:13,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 18:25:13,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:25:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:13,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721430924] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:13,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:25:13,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-08-12 18:25:13,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320545993] [2021-08-12 18:25:13,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 18:25:13,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:13,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 18:25:13,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-08-12 18:25:13,844 INFO L87 Difference]: Start difference. First operand 2221 states and 4309 transitions. Second operand has 19 states, 19 states have (on average 4.157894736842105) internal successors, (79), 19 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) [2021-08-12 18:25:14,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:14,120 INFO L93 Difference]: Finished difference Result 4396 states and 8572 transitions. [2021-08-12 18:25:14,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-12 18:25:14,120 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.157894736842105) internal successors, (79), 19 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 78 [2021-08-12 18:25:14,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:14,133 INFO L225 Difference]: With dead ends: 4396 [2021-08-12 18:25:14,133 INFO L226 Difference]: Without dead ends: 2229 [2021-08-12 18:25:14,136 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 333.4ms TimeCoverageRelationStatistics Valid=340, Invalid=716, Unknown=0, NotChecked=0, Total=1056 [2021-08-12 18:25:14,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2229 states. [2021-08-12 18:25:14,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2229 to 2226. [2021-08-12 18:25:14,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2226 states, 2218 states have (on average 1.944995491433724) internal successors, (4314), 2225 states have internal predecessors, (4314), 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) [2021-08-12 18:25:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 4314 transitions. [2021-08-12 18:25:14,174 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 4314 transitions. Word has length 78 [2021-08-12 18:25:14,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:14,175 INFO L482 AbstractCegarLoop]: Abstraction has 2226 states and 4314 transitions. [2021-08-12 18:25:14,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.157894736842105) internal successors, (79), 19 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) [2021-08-12 18:25:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 4314 transitions. [2021-08-12 18:25:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-08-12 18:25:14,175 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:14,176 INFO L550 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:25:14,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-12 18:25:14,389 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:14,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:14,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1518960072, now seen corresponding path program 8 times [2021-08-12 18:25:14,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:14,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35069680] [2021-08-12 18:25:14,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:14,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:14,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35069680] [2021-08-12 18:25:14,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35069680] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:14,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406514302] [2021-08-12 18:25:14,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:14,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 18:25:14,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:25:14,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-12 18:25:14,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:25:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:14,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406514302] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:14,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:25:14,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-08-12 18:25:14,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755908572] [2021-08-12 18:25:14,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 18:25:14,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:14,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 18:25:14,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-08-12 18:25:14,856 INFO L87 Difference]: Start difference. First operand 2226 states and 4314 transitions. Second operand has 21 states, 21 states have (on average 4.0) internal successors, (84), 21 states have internal predecessors, (84), 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) [2021-08-12 18:25:15,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:15,178 INFO L93 Difference]: Finished difference Result 4401 states and 8577 transitions. [2021-08-12 18:25:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-12 18:25:15,179 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.0) internal successors, (84), 21 states have internal predecessors, (84), 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 83 [2021-08-12 18:25:15,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:15,192 INFO L225 Difference]: With dead ends: 4401 [2021-08-12 18:25:15,192 INFO L226 Difference]: Without dead ends: 2234 [2021-08-12 18:25:15,195 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 396.4ms TimeCoverageRelationStatistics Valid=427, Invalid=905, Unknown=0, NotChecked=0, Total=1332 [2021-08-12 18:25:15,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2021-08-12 18:25:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 2231. [2021-08-12 18:25:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2223 states have (on average 1.9428699955015745) internal successors, (4319), 2230 states have internal predecessors, (4319), 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) [2021-08-12 18:25:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 4319 transitions. [2021-08-12 18:25:15,236 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 4319 transitions. Word has length 83 [2021-08-12 18:25:15,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:15,237 INFO L482 AbstractCegarLoop]: Abstraction has 2231 states and 4319 transitions. [2021-08-12 18:25:15,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.0) internal successors, (84), 21 states have internal predecessors, (84), 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) [2021-08-12 18:25:15,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 4319 transitions. [2021-08-12 18:25:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-08-12 18:25:15,237 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:15,238 INFO L550 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:25:15,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:15,453 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:15,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:15,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1378945344, now seen corresponding path program 9 times [2021-08-12 18:25:15,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:15,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245488107] [2021-08-12 18:25:15,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:15,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:15,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245488107] [2021-08-12 18:25:15,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245488107] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:15,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859981930] [2021-08-12 18:25:15,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:15,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-08-12 18:25:15,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:25:15,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-12 18:25:15,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:25:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 18:25:16,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859981930] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:25:16,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:25:16,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-08-12 18:25:16,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021525703] [2021-08-12 18:25:16,023 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-08-12 18:25:16,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:16,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-12 18:25:16,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-08-12 18:25:16,024 INFO L87 Difference]: Start difference. First operand 2231 states and 4319 transitions. Second operand has 23 states, 23 states have (on average 3.869565217391304) internal successors, (89), 23 states have internal predecessors, (89), 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) [2021-08-12 18:25:16,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:25:16,393 INFO L93 Difference]: Finished difference Result 4403 states and 8579 transitions. [2021-08-12 18:25:16,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-12 18:25:16,394 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.869565217391304) internal successors, (89), 23 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-08-12 18:25:16,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:25:16,406 INFO L225 Difference]: With dead ends: 4403 [2021-08-12 18:25:16,407 INFO L226 Difference]: Without dead ends: 2236 [2021-08-12 18:25:16,410 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 473.9ms TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2021-08-12 18:25:16,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2021-08-12 18:25:16,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2236. [2021-08-12 18:25:16,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 2228 states have (on average 1.940754039497307) internal successors, (4324), 2235 states have internal predecessors, (4324), 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) [2021-08-12 18:25:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 4324 transitions. [2021-08-12 18:25:16,483 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 4324 transitions. Word has length 88 [2021-08-12 18:25:16,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:25:16,483 INFO L482 AbstractCegarLoop]: Abstraction has 2236 states and 4324 transitions. [2021-08-12 18:25:16,483 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.869565217391304) internal successors, (89), 23 states have internal predecessors, (89), 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) [2021-08-12 18:25:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 4324 transitions. [2021-08-12 18:25:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-08-12 18:25:16,484 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:16,485 INFO L550 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:25:16,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:25:16,703 INFO L430 AbstractCegarLoop]: === Iteration 13 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:16,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:16,703 INFO L82 PathProgramCache]: Analyzing trace with hash -156100808, now seen corresponding path program 10 times [2021-08-12 18:25:16,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:16,703 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232588630] [2021-08-12 18:25:16,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-12 18:25:16,732 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-12 18:25:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-12 18:25:16,748 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-12 18:25:16,767 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-12 18:25:16,767 INFO L651 BasicCegarLoop]: Counterexample might be feasible [2021-08-12 18:25:16,767 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-12 18:25:16,768 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-08-12 18:25:16,768 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-08-12 18:25:16,784 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,786 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,786 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,786 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,786 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,786 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,786 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,790 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,795 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,804 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,804 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:25:16,809 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-12 18:25:16,809 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-12 18:25:16,810 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 18:25:16,810 INFO L379 AbstractCegarLoop]: Hoare is true [2021-08-12 18:25:16,810 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 18:25:16,810 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 18:25:16,810 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 18:25:16,810 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 18:25:16,810 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 18:25:16,810 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 18:25:16,816 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 211 places, 251 transitions, 520 flow [2021-08-12 18:25:58,394 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 185097 states, 185073 states have (on average 3.625445094638332) internal successors, (670972), 185096 states have internal predecessors, (670972), 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) [2021-08-12 18:25:58,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 185097 states, 185073 states have (on average 3.625445094638332) internal successors, (670972), 185096 states have internal predecessors, (670972), 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) [2021-08-12 18:25:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-12 18:25:58,738 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:25:58,738 INFO L550 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] [2021-08-12 18:25:58,738 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:25:58,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:25:58,738 INFO L82 PathProgramCache]: Analyzing trace with hash 680563171, now seen corresponding path program 1 times [2021-08-12 18:25:58,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:25:58,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334907972] [2021-08-12 18:25:58,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:25:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:25:58,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 18:25:58,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:25:58,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334907972] [2021-08-12 18:25:58,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334907972] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 18:25:58,748 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 18:25:58,749 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 18:25:58,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953874922] [2021-08-12 18:25:58,749 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-08-12 18:25:58,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:25:58,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-12 18:25:58,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-12 18:25:58,970 INFO L87 Difference]: Start difference. First operand has 185097 states, 185073 states have (on average 3.625445094638332) internal successors, (670972), 185096 states have internal predecessors, (670972), 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 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2021-08-12 18:26:03,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:26:03,251 INFO L93 Difference]: Finished difference Result 360596 states and 1309148 transitions. [2021-08-12 18:26:03,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-12 18:26:03,251 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 42 [2021-08-12 18:26:03,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:26:04,277 INFO L225 Difference]: With dead ends: 360596 [2021-08-12 18:26:04,277 INFO L226 Difference]: Without dead ends: 141491 [2021-08-12 18:26:04,477 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-12 18:26:08,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141491 states. [2021-08-12 18:26:11,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141491 to 141491. [2021-08-12 18:26:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141491 states, 141457 states have (on average 2.9607159772934533) internal successors, (418814), 141490 states have internal predecessors, (418814), 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) [2021-08-12 18:26:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141491 states to 141491 states and 418814 transitions. [2021-08-12 18:26:12,184 INFO L78 Accepts]: Start accepts. Automaton has 141491 states and 418814 transitions. Word has length 42 [2021-08-12 18:26:12,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:26:12,185 INFO L482 AbstractCegarLoop]: Abstraction has 141491 states and 418814 transitions. [2021-08-12 18:26:12,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2021-08-12 18:26:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 141491 states and 418814 transitions. [2021-08-12 18:26:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-12 18:26:12,185 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:26:12,185 INFO L550 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] [2021-08-12 18:26:12,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-12 18:26:12,186 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:26:12,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:26:12,186 INFO L82 PathProgramCache]: Analyzing trace with hash 107997793, now seen corresponding path program 1 times [2021-08-12 18:26:12,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:26:12,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056462773] [2021-08-12 18:26:12,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:26:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:26:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 18:26:12,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:26:12,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056462773] [2021-08-12 18:26:12,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056462773] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 18:26:12,202 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 18:26:12,202 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 18:26:12,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836373168] [2021-08-12 18:26:12,202 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 18:26:12,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:26:12,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 18:26:12,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 18:26:12,202 INFO L87 Difference]: Start difference. First operand 141491 states and 418814 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-08-12 18:26:14,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:26:14,455 INFO L93 Difference]: Finished difference Result 282963 states and 837609 transitions. [2021-08-12 18:26:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 18:26:14,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 42 [2021-08-12 18:26:14,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:26:14,977 INFO L225 Difference]: With dead ends: 282963 [2021-08-12 18:26:14,977 INFO L226 Difference]: Without dead ends: 141495 [2021-08-12 18:26:15,133 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 18:26:19,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141495 states. [2021-08-12 18:26:21,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141495 to 141492. [2021-08-12 18:26:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141492 states, 141458 states have (on average 2.960702116529288) internal successors, (418815), 141491 states have internal predecessors, (418815), 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) [2021-08-12 18:26:21,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141492 states to 141492 states and 418815 transitions. [2021-08-12 18:26:22,129 INFO L78 Accepts]: Start accepts. Automaton has 141492 states and 418815 transitions. Word has length 42 [2021-08-12 18:26:22,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:26:22,129 INFO L482 AbstractCegarLoop]: Abstraction has 141492 states and 418815 transitions. [2021-08-12 18:26:22,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-08-12 18:26:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 141492 states and 418815 transitions. [2021-08-12 18:26:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-08-12 18:26:22,130 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:26:22,130 INFO L550 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] [2021-08-12 18:26:22,130 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-12 18:26:22,130 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:26:22,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:26:22,130 INFO L82 PathProgramCache]: Analyzing trace with hash -452618924, now seen corresponding path program 1 times [2021-08-12 18:26:22,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:26:22,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766886449] [2021-08-12 18:26:22,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:26:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:26:22,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 18:26:22,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:26:22,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766886449] [2021-08-12 18:26:22,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766886449] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:26:22,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725588945] [2021-08-12 18:26:22,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:26:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:26:22,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-12 18:26:22,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:26:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 18:26:22,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725588945] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 18:26:22,684 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 18:26:22,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-12 18:26:22,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069686253] [2021-08-12 18:26:22,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 18:26:22,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:26:22,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 18:26:22,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-12 18:26:22,685 INFO L87 Difference]: Start difference. First operand 141492 states and 418815 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 18:26:23,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:26:23,821 INFO L93 Difference]: Finished difference Result 141492 states and 418815 transitions. [2021-08-12 18:26:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 18:26:23,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-08-12 18:26:23,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:26:24,524 INFO L225 Difference]: With dead ends: 141492 [2021-08-12 18:26:24,524 INFO L226 Difference]: Without dead ends: 141478 [2021-08-12 18:26:24,550 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.1ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-12 18:26:28,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141478 states. [2021-08-12 18:26:30,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141478 to 141478. [2021-08-12 18:26:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141478 states, 141445 states have (on average 2.9608752518646826) internal successors, (418801), 141477 states have internal predecessors, (418801), 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) [2021-08-12 18:26:31,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141478 states to 141478 states and 418801 transitions. [2021-08-12 18:26:31,852 INFO L78 Accepts]: Start accepts. Automaton has 141478 states and 418801 transitions. Word has length 47 [2021-08-12 18:26:31,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:26:31,852 INFO L482 AbstractCegarLoop]: Abstraction has 141478 states and 418801 transitions. [2021-08-12 18:26:31,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 18:26:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 141478 states and 418801 transitions. [2021-08-12 18:26:31,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-08-12 18:26:31,854 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:26:31,854 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:26:32,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-12 18:26:32,055 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:26:32,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:26:32,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1501306781, now seen corresponding path program 1 times [2021-08-12 18:26:32,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:26:32,056 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091507462] [2021-08-12 18:26:32,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:26:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:26:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 18:26:32,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:26:32,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091507462] [2021-08-12 18:26:32,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091507462] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:26:32,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268584563] [2021-08-12 18:26:32,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:26:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:26:32,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-12 18:26:32,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:26:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 18:26:32,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268584563] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:26:32,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:26:32,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-12 18:26:32,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723698755] [2021-08-12 18:26:32,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 18:26:32,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:26:32,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 18:26:32,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-12 18:26:32,289 INFO L87 Difference]: Start difference. First operand 141478 states and 418801 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-08-12 18:26:35,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:26:35,051 INFO L93 Difference]: Finished difference Result 282940 states and 837586 transitions. [2021-08-12 18:26:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 18:26:35,052 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-08-12 18:26:35,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:26:35,954 INFO L225 Difference]: With dead ends: 282940 [2021-08-12 18:26:35,954 INFO L226 Difference]: Without dead ends: 141486 [2021-08-12 18:26:36,201 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 33.1ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-12 18:26:40,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141486 states. [2021-08-12 18:26:42,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141486 to 141483. [2021-08-12 18:26:42,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141483 states, 141450 states have (on average 2.9608059384941674) internal successors, (418806), 141482 states have internal predecessors, (418806), 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) [2021-08-12 18:26:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141483 states to 141483 states and 418806 transitions. [2021-08-12 18:26:43,860 INFO L78 Accepts]: Start accepts. Automaton has 141483 states and 418806 transitions. Word has length 57 [2021-08-12 18:26:43,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:26:43,860 INFO L482 AbstractCegarLoop]: Abstraction has 141483 states and 418806 transitions. [2021-08-12 18:26:43,860 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-08-12 18:26:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 141483 states and 418806 transitions. [2021-08-12 18:26:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-08-12 18:26:43,862 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:26:43,862 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:26:44,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-12 18:26:44,063 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:26:44,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:26:44,063 INFO L82 PathProgramCache]: Analyzing trace with hash 639275280, now seen corresponding path program 2 times [2021-08-12 18:26:44,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:26:44,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969955424] [2021-08-12 18:26:44,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:26:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:26:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-12 18:26:44,090 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:26:44,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969955424] [2021-08-12 18:26:44,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969955424] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:26:44,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998426605] [2021-08-12 18:26:44,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:26:44,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 18:26:44,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:26:44,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-12 18:26:44,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:26:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-12 18:26:44,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998426605] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:26:44,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:26:44,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-12 18:26:44,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879102678] [2021-08-12 18:26:44,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 18:26:44,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:26:44,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 18:26:44,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-12 18:26:44,297 INFO L87 Difference]: Start difference. First operand 141483 states and 418806 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 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) [2021-08-12 18:26:45,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:26:45,429 INFO L93 Difference]: Finished difference Result 141690 states and 419188 transitions. [2021-08-12 18:26:45,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 18:26:45,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 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 62 [2021-08-12 18:26:45,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:26:46,227 INFO L225 Difference]: With dead ends: 141690 [2021-08-12 18:26:46,227 INFO L226 Difference]: Without dead ends: 140120 [2021-08-12 18:26:46,265 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 32.5ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-12 18:26:50,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140120 states. [2021-08-12 18:26:52,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140120 to 140120. [2021-08-12 18:26:52,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140120 states, 140090 states have (on average 2.9699550289099865) internal successors, (416061), 140119 states have internal predecessors, (416061), 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) [2021-08-12 18:26:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140120 states to 140120 states and 416061 transitions. [2021-08-12 18:26:53,314 INFO L78 Accepts]: Start accepts. Automaton has 140120 states and 416061 transitions. Word has length 62 [2021-08-12 18:26:53,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:26:53,315 INFO L482 AbstractCegarLoop]: Abstraction has 140120 states and 416061 transitions. [2021-08-12 18:26:53,315 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 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) [2021-08-12 18:26:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 140120 states and 416061 transitions. [2021-08-12 18:26:53,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-08-12 18:26:53,316 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:26:53,316 INFO L550 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:26:53,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-12 18:26:53,521 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:26:53,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:26:53,521 INFO L82 PathProgramCache]: Analyzing trace with hash -982998967, now seen corresponding path program 1 times [2021-08-12 18:26:53,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:26:53,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622686798] [2021-08-12 18:26:53,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:26:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:26:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:26:53,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:26:53,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622686798] [2021-08-12 18:26:53,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622686798] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:26:53,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306435802] [2021-08-12 18:26:53,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:26:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:26:53,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 18:26:53,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:26:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:26:53,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306435802] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:26:53,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:26:53,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-08-12 18:26:53,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527425070] [2021-08-12 18:26:53,774 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 18:26:53,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:26:53,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 18:26:53,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-12 18:26:53,774 INFO L87 Difference]: Start difference. First operand 140120 states and 416061 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2021-08-12 18:26:56,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:26:56,254 INFO L93 Difference]: Finished difference Result 280219 states and 832101 transitions. [2021-08-12 18:26:56,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 18:26:56,255 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-08-12 18:26:56,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:26:56,937 INFO L225 Difference]: With dead ends: 280219 [2021-08-12 18:26:56,937 INFO L226 Difference]: Without dead ends: 140128 [2021-08-12 18:26:57,106 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 64.8ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-08-12 18:27:01,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140128 states. [2021-08-12 18:27:03,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140128 to 140125. [2021-08-12 18:27:03,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140125 states, 140095 states have (on average 2.969884721082123) internal successors, (416066), 140124 states have internal predecessors, (416066), 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) [2021-08-12 18:27:04,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140125 states to 140125 states and 416066 transitions. [2021-08-12 18:27:04,892 INFO L78 Accepts]: Start accepts. Automaton has 140125 states and 416066 transitions. Word has length 63 [2021-08-12 18:27:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:27:04,892 INFO L482 AbstractCegarLoop]: Abstraction has 140125 states and 416066 transitions. [2021-08-12 18:27:04,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2021-08-12 18:27:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 140125 states and 416066 transitions. [2021-08-12 18:27:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-08-12 18:27:04,894 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:27:04,899 INFO L550 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:27:05,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:27:05,109 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:27:05,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:27:05,109 INFO L82 PathProgramCache]: Analyzing trace with hash -992912586, now seen corresponding path program 2 times [2021-08-12 18:27:05,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:27:05,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419092660] [2021-08-12 18:27:05,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:27:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:27:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:27:05,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:27:05,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419092660] [2021-08-12 18:27:05,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419092660] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:27:05,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845531450] [2021-08-12 18:27:05,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:27:05,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 18:27:05,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:27:05,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-12 18:27:05,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:27:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:27:05,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845531450] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:27:05,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:27:05,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-08-12 18:27:05,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603699944] [2021-08-12 18:27:05,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 18:27:05,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:27:05,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 18:27:05,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-08-12 18:27:05,539 INFO L87 Difference]: Start difference. First operand 140125 states and 416066 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 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) [2021-08-12 18:27:08,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:27:08,420 INFO L93 Difference]: Finished difference Result 280224 states and 832106 transitions. [2021-08-12 18:27:08,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 18:27:08,421 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 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 68 [2021-08-12 18:27:08,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:27:09,389 INFO L225 Difference]: With dead ends: 280224 [2021-08-12 18:27:09,390 INFO L226 Difference]: Without dead ends: 140133 [2021-08-12 18:27:09,631 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 125.2ms TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-08-12 18:27:13,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140133 states. [2021-08-12 18:27:15,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140133 to 140130. [2021-08-12 18:27:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140130 states, 140100 states have (on average 2.9698144182726622) internal successors, (416071), 140129 states have internal predecessors, (416071), 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) [2021-08-12 18:27:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140130 states to 140130 states and 416071 transitions. [2021-08-12 18:27:17,237 INFO L78 Accepts]: Start accepts. Automaton has 140130 states and 416071 transitions. Word has length 68 [2021-08-12 18:27:17,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:27:17,238 INFO L482 AbstractCegarLoop]: Abstraction has 140130 states and 416071 transitions. [2021-08-12 18:27:17,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 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) [2021-08-12 18:27:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 140130 states and 416071 transitions. [2021-08-12 18:27:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-08-12 18:27:17,241 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:27:17,241 INFO L550 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:27:17,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:27:17,457 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:27:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:27:17,457 INFO L82 PathProgramCache]: Analyzing trace with hash 540634217, now seen corresponding path program 3 times [2021-08-12 18:27:17,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:27:17,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946576304] [2021-08-12 18:27:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:27:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:27:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:27:17,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:27:17,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946576304] [2021-08-12 18:27:17,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946576304] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:27:17,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514582305] [2021-08-12 18:27:17,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:27:17,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-08-12 18:27:17,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:27:17,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-12 18:27:17,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:27:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:27:17,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514582305] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:27:17,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:27:17,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-12 18:27:17,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523146442] [2021-08-12 18:27:17,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-08-12 18:27:17,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:27:17,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-12 18:27:17,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-12 18:27:17,805 INFO L87 Difference]: Start difference. First operand 140130 states and 416071 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 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) [2021-08-12 18:27:20,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:27:20,172 INFO L93 Difference]: Finished difference Result 280229 states and 832111 transitions. [2021-08-12 18:27:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 18:27:20,172 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 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 [2021-08-12 18:27:20,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:27:20,915 INFO L225 Difference]: With dead ends: 280229 [2021-08-12 18:27:20,915 INFO L226 Difference]: Without dead ends: 140138 [2021-08-12 18:27:21,092 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 150.1ms TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-08-12 18:27:25,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140138 states. [2021-08-12 18:27:27,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140138 to 140135. [2021-08-12 18:27:27,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140135 states, 140105 states have (on average 2.9697441204810677) internal successors, (416076), 140134 states have internal predecessors, (416076), 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) [2021-08-12 18:27:28,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140135 states to 140135 states and 416076 transitions. [2021-08-12 18:27:28,939 INFO L78 Accepts]: Start accepts. Automaton has 140135 states and 416076 transitions. Word has length 73 [2021-08-12 18:27:28,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:27:28,939 INFO L482 AbstractCegarLoop]: Abstraction has 140135 states and 416076 transitions. [2021-08-12 18:27:28,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 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) [2021-08-12 18:27:28,940 INFO L276 IsEmpty]: Start isEmpty. Operand 140135 states and 416076 transitions. [2021-08-12 18:27:28,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-08-12 18:27:28,941 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:27:28,941 INFO L550 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:27:29,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:27:29,159 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:27:29,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:27:29,160 INFO L82 PathProgramCache]: Analyzing trace with hash -12901610, now seen corresponding path program 4 times [2021-08-12 18:27:29,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:27:29,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115025117] [2021-08-12 18:27:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:27:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:27:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:27:29,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:27:29,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115025117] [2021-08-12 18:27:29,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115025117] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:27:29,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769777147] [2021-08-12 18:27:29,337 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:27:29,582 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 18:27:29,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:27:29,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-12 18:27:29,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:27:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:27:29,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769777147] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:27:29,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:27:29,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-08-12 18:27:29,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210518307] [2021-08-12 18:27:29,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 18:27:29,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:27:29,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 18:27:29,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-08-12 18:27:29,821 INFO L87 Difference]: Start difference. First operand 140135 states and 416076 transitions. Second operand has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 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) [2021-08-12 18:27:32,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:27:32,775 INFO L93 Difference]: Finished difference Result 280234 states and 832116 transitions. [2021-08-12 18:27:32,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 18:27:32,776 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 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 [2021-08-12 18:27:32,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:27:33,659 INFO L225 Difference]: With dead ends: 280234 [2021-08-12 18:27:33,660 INFO L226 Difference]: Without dead ends: 140143 [2021-08-12 18:27:33,822 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 250.6ms TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2021-08-12 18:27:38,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140143 states. [2021-08-12 18:27:40,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140143 to 140140. [2021-08-12 18:27:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140140 states, 140110 states have (on average 2.969673827706802) internal successors, (416081), 140139 states have internal predecessors, (416081), 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) [2021-08-12 18:27:41,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140140 states to 140140 states and 416081 transitions. [2021-08-12 18:27:42,060 INFO L78 Accepts]: Start accepts. Automaton has 140140 states and 416081 transitions. Word has length 78 [2021-08-12 18:27:42,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:27:42,060 INFO L482 AbstractCegarLoop]: Abstraction has 140140 states and 416081 transitions. [2021-08-12 18:27:42,060 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 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) [2021-08-12 18:27:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 140140 states and 416081 transitions. [2021-08-12 18:27:42,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-08-12 18:27:42,062 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:27:42,062 INFO L550 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:27:42,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-08-12 18:27:42,278 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:27:42,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:27:42,279 INFO L82 PathProgramCache]: Analyzing trace with hash 303141001, now seen corresponding path program 5 times [2021-08-12 18:27:42,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:27:42,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455091748] [2021-08-12 18:27:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:27:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:27:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:27:42,456 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:27:42,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455091748] [2021-08-12 18:27:42,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455091748] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:27:42,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133916320] [2021-08-12 18:27:42,456 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:27:42,578 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-08-12 18:27:42,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:27:42,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 18:27:42,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:27:42,738 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:27:42,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133916320] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:27:42,738 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:27:42,738 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-08-12 18:27:42,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127937728] [2021-08-12 18:27:42,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-08-12 18:27:42,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:27:42,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-12 18:27:42,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-08-12 18:27:42,739 INFO L87 Difference]: Start difference. First operand 140140 states and 416081 transitions. Second operand has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 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) [2021-08-12 18:27:45,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:27:45,413 INFO L93 Difference]: Finished difference Result 280239 states and 832121 transitions. [2021-08-12 18:27:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 18:27:45,414 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 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 83 [2021-08-12 18:27:45,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:27:46,504 INFO L225 Difference]: With dead ends: 280239 [2021-08-12 18:27:46,505 INFO L226 Difference]: Without dead ends: 140148 [2021-08-12 18:27:46,635 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 259.0ms TimeCoverageRelationStatistics Valid=263, Invalid=549, Unknown=0, NotChecked=0, Total=812 [2021-08-12 18:27:50,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140148 states. [2021-08-12 18:27:52,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140148 to 140145. [2021-08-12 18:27:52,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140145 states, 140115 states have (on average 2.9696035399493272) internal successors, (416086), 140144 states have internal predecessors, (416086), 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) [2021-08-12 18:27:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140145 states to 140145 states and 416086 transitions. [2021-08-12 18:27:54,020 INFO L78 Accepts]: Start accepts. Automaton has 140145 states and 416086 transitions. Word has length 83 [2021-08-12 18:27:54,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:27:54,020 INFO L482 AbstractCegarLoop]: Abstraction has 140145 states and 416086 transitions. [2021-08-12 18:27:54,020 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 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) [2021-08-12 18:27:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 140145 states and 416086 transitions. [2021-08-12 18:27:54,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-08-12 18:27:54,021 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:27:54,022 INFO L550 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:27:54,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-08-12 18:27:54,223 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:27:54,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:27:54,223 INFO L82 PathProgramCache]: Analyzing trace with hash 427070198, now seen corresponding path program 6 times [2021-08-12 18:27:54,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:27:54,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483474271] [2021-08-12 18:27:54,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:27:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:27:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:27:54,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:27:54,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483474271] [2021-08-12 18:27:54,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483474271] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:27:54,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277199592] [2021-08-12 18:27:54,379 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:27:54,521 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-08-12 18:27:54,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 18:27:54,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 18:27:54,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:27:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:27:54,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277199592] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:27:54,678 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:27:54,678 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-08-12 18:27:54,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815844343] [2021-08-12 18:27:54,679 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 18:27:54,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:27:54,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 18:27:54,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-08-12 18:27:54,679 INFO L87 Difference]: Start difference. First operand 140145 states and 416086 transitions. Second operand has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 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) [2021-08-12 18:27:57,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:27:57,254 INFO L93 Difference]: Finished difference Result 280244 states and 832126 transitions. [2021-08-12 18:27:57,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-12 18:27:57,255 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 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 88 [2021-08-12 18:27:57,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:27:58,170 INFO L225 Difference]: With dead ends: 280244 [2021-08-12 18:27:58,170 INFO L226 Difference]: Without dead ends: 140153 [2021-08-12 18:27:58,330 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 311.6ms TimeCoverageRelationStatistics Valid=340, Invalid=716, Unknown=0, NotChecked=0, Total=1056 [2021-08-12 18:28:02,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140153 states. [2021-08-12 18:28:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140153 to 140150. [2021-08-12 18:28:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140150 states, 140120 states have (on average 2.9695332572081075) internal successors, (416091), 140149 states have internal predecessors, (416091), 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) [2021-08-12 18:28:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140150 states to 140150 states and 416091 transitions. [2021-08-12 18:28:06,183 INFO L78 Accepts]: Start accepts. Automaton has 140150 states and 416091 transitions. Word has length 88 [2021-08-12 18:28:06,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:28:06,183 INFO L482 AbstractCegarLoop]: Abstraction has 140150 states and 416091 transitions. [2021-08-12 18:28:06,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 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) [2021-08-12 18:28:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 140150 states and 416091 transitions. [2021-08-12 18:28:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-08-12 18:28:06,185 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:28:06,185 INFO L550 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:28:06,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-08-12 18:28:06,393 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 18:28:06,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:28:06,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1537412265, now seen corresponding path program 7 times [2021-08-12 18:28:06,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:28:06,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935715066] [2021-08-12 18:28:06,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:28:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:28:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:28:06,569 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:28:06,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935715066] [2021-08-12 18:28:06,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935715066] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:28:06,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139557772] [2021-08-12 18:28:06,569 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 18:28:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:28:06,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-12 18:28:06,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 18:28:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-12 18:28:06,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139557772] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 18:28:06,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 18:28:06,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-08-12 18:28:06,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256347920] [2021-08-12 18:28:06,840 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 18:28:06,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:28:06,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 18:28:06,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-08-12 18:28:06,841 INFO L87 Difference]: Start difference. First operand 140150 states and 416091 transitions. Second operand has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 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) [2021-08-12 18:28:09,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:28:09,318 INFO L93 Difference]: Finished difference Result 280249 states and 832131 transitions. [2021-08-12 18:28:09,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-12 18:28:09,319 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 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 93 [2021-08-12 18:28:09,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:28:10,338 INFO L225 Difference]: With dead ends: 280249 [2021-08-12 18:28:10,338 INFO L226 Difference]: Without dead ends: 140158 [2021-08-12 18:28:10,511 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 379.2ms TimeCoverageRelationStatistics Valid=427, Invalid=905, Unknown=0, NotChecked=0, Total=1332