/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-05 19:47:24,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 19:47:24,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 19:47:24,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 19:47:24,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 19:47:24,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 19:47:24,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 19:47:24,804 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 [2021-06-05 19:47:24,831 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 19:47:24,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 19:47:24,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 19:47:24,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 19:47:24,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 19:47:24,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 19:47:24,833 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 19:47:24,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 19:47:24,834 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 19:47:24,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 19:47:24,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 19:47:24,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 19:47:24,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 19:47:24,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 19:47:24,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 19:47:24,835 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 19:47:24,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 19:47:24,835 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 19:47:24,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 19:47:24,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 19:47:24,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 19:47:24,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 19:47:24,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 19:47:24,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 19:47:24,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 19:47:24,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 19:47:24,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 19:47:24,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 19:47:24,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 19:47:24,836 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 19:47:24,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 19:47:24,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 19:47:25,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 19:47:25,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 19:47:25,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 19:47:25,112 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 19:47:25,112 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 19:47:25,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i [2021-06-05 19:47:25,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab47d8fa6/6fa2eeed8e4e4ebda7d1c169b9af7fb2/FLAGaac012972 [2021-06-05 19:47:25,603 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 19:47:25,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i [2021-06-05 19:47:25,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab47d8fa6/6fa2eeed8e4e4ebda7d1c169b9af7fb2/FLAGaac012972 [2021-06-05 19:47:25,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab47d8fa6/6fa2eeed8e4e4ebda7d1c169b9af7fb2 [2021-06-05 19:47:25,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 19:47:25,637 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 19:47:25,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 19:47:25,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 19:47:25,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 19:47:25,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 07:47:25" (1/1) ... [2021-06-05 19:47:25,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eeb62de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:25, skipping insertion in model container [2021-06-05 19:47:25,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 07:47:25" (1/1) ... [2021-06-05 19:47:25,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 19:47:25,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 19:47:25,850 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i[992,1005] [2021-06-05 19:47:26,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 19:47:26,052 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 19:47:26,065 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_pso.oepc.i[992,1005] [2021-06-05 19:47:26,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 19:47:26,165 INFO L208 MainTranslator]: Completed translation [2021-06-05 19:47:26,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26 WrapperNode [2021-06-05 19:47:26,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 19:47:26,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 19:47:26,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 19:47:26,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 19:47:26,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (1/1) ... [2021-06-05 19:47:26,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (1/1) ... [2021-06-05 19:47:26,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 19:47:26,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 19:47:26,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 19:47:26,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 19:47:26,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (1/1) ... [2021-06-05 19:47:26,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (1/1) ... [2021-06-05 19:47:26,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (1/1) ... [2021-06-05 19:47:26,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (1/1) ... [2021-06-05 19:47:26,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (1/1) ... [2021-06-05 19:47:26,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (1/1) ... [2021-06-05 19:47:26,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (1/1) ... [2021-06-05 19:47:26,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 19:47:26,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 19:47:26,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 19:47:26,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 19:47:26,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (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 [2021-06-05 19:47:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 19:47:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 19:47:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 19:47:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 19:47:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 19:47:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 19:47:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 19:47:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 19:47:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 19:47:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 19:47:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 19:47:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 19:47:26,355 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 19:47:28,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 19:47:28,519 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-05 19:47:28,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 07:47:28 BoogieIcfgContainer [2021-06-05 19:47:28,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 19:47:28,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 19:47:28,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 19:47:28,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 19:47:28,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 07:47:25" (1/3) ... [2021-06-05 19:47:28,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a66dd1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 07:47:28, skipping insertion in model container [2021-06-05 19:47:28,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:47:26" (2/3) ... [2021-06-05 19:47:28,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a66dd1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 07:47:28, skipping insertion in model container [2021-06-05 19:47:28,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 07:47:28" (3/3) ... [2021-06-05 19:47:28,524 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_pso.oepc.i [2021-06-05 19:47:28,529 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 19:47:28,529 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 19:47:28,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-05 19:47:28,529 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 19:47:28,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,557 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,557 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,558 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,558 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,584 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:47:28,588 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 19:47:28,601 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 19:47:28,611 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 19:47:28,611 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 19:47:28,612 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 19:47:28,612 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 19:47:28,612 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 19:47:28,612 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 19:47:28,612 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 19:47:28,612 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P1======== [2021-06-05 19:47:28,618 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 91 transitions, 192 flow [2021-06-05 19:47:28,688 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2576 states, 2572 states have (on average 2.79199066874028) internal successors, (7181), 2575 states have internal predecessors, (7181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:28,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 2576 states, 2572 states have (on average 2.79199066874028) internal successors, (7181), 2575 states have internal predecessors, (7181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:28,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 19:47:28,711 INFO L301 ceAbstractionStarter]: Result for error location P1 was SAFE (1/3) [2021-06-05 19:47:28,712 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-05 19:47:28,714 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 19:47:28,714 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 19:47:28,714 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 19:47:28,714 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 19:47:28,714 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 19:47:28,714 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 19:47:28,714 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 19:47:28,714 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 19:47:28,716 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 91 transitions, 192 flow [2021-06-05 19:47:28,752 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2576 states, 2572 states have (on average 2.79199066874028) internal successors, (7181), 2575 states have internal predecessors, (7181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 2576 states, 2572 states have (on average 2.79199066874028) internal successors, (7181), 2575 states have internal predecessors, (7181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-05 19:47:28,760 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:28,760 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:28,761 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:28,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:28,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1352545111, now seen corresponding path program 1 times [2021-06-05 19:47:28,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:28,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314229612] [2021-06-05 19:47:28,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:29,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:29,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314229612] [2021-06-05 19:47:29,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314229612] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:29,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:29,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 19:47:29,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7496981] [2021-06-05 19:47:29,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 19:47:29,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:29,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 19:47:29,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 19:47:29,025 INFO L87 Difference]: Start difference. First operand has 2576 states, 2572 states have (on average 2.79199066874028) internal successors, (7181), 2575 states have internal predecessors, (7181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 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) [2021-06-05 19:47:29,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:29,189 INFO L93 Difference]: Finished difference Result 3035 states and 8156 transitions. [2021-06-05 19:47:29,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 19:47:29,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 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 59 [2021-06-05 19:47:29,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:29,207 INFO L225 Difference]: With dead ends: 3035 [2021-06-05 19:47:29,207 INFO L226 Difference]: Without dead ends: 1235 [2021-06-05 19:47:29,208 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 122.3ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 19:47:29,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2021-06-05 19:47:29,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 1235. [2021-06-05 19:47:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1234 states have (on average 2.59967585089141) internal successors, (3208), 1234 states have internal predecessors, (3208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:29,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 3208 transitions. [2021-06-05 19:47:29,265 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 3208 transitions. Word has length 59 [2021-06-05 19:47:29,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:29,265 INFO L482 AbstractCegarLoop]: Abstraction has 1235 states and 3208 transitions. [2021-06-05 19:47:29,265 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 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) [2021-06-05 19:47:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 3208 transitions. [2021-06-05 19:47:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-06-05 19:47:29,267 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:29,267 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:29,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 19:47:29,268 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:29,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:29,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1078068812, now seen corresponding path program 1 times [2021-06-05 19:47:29,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:29,268 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384748101] [2021-06-05 19:47:29,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:29,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:29,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:29,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384748101] [2021-06-05 19:47:29,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384748101] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:29,380 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:29,380 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 19:47:29,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954795242] [2021-06-05 19:47:29,381 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 19:47:29,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:29,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 19:47:29,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 19:47:29,382 INFO L87 Difference]: Start difference. First operand 1235 states and 3208 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:29,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:29,465 INFO L93 Difference]: Finished difference Result 1307 states and 3358 transitions. [2021-06-05 19:47:29,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 19:47:29,466 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-06-05 19:47:29,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:29,469 INFO L225 Difference]: With dead ends: 1307 [2021-06-05 19:47:29,469 INFO L226 Difference]: Without dead ends: 1091 [2021-06-05 19:47:29,470 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 68.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 19:47:29,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2021-06-05 19:47:29,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2021-06-05 19:47:29,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1090 states have (on average 2.5688073394495414) internal successors, (2800), 1090 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 2800 transitions. [2021-06-05 19:47:29,487 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 2800 transitions. Word has length 63 [2021-06-05 19:47:29,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:29,487 INFO L482 AbstractCegarLoop]: Abstraction has 1091 states and 2800 transitions. [2021-06-05 19:47:29,487 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2800 transitions. [2021-06-05 19:47:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-06-05 19:47:29,489 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:29,489 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:29,489 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 19:47:29,489 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:29,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:29,490 INFO L82 PathProgramCache]: Analyzing trace with hash -590106418, now seen corresponding path program 1 times [2021-06-05 19:47:29,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:29,490 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848531596] [2021-06-05 19:47:29,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:29,680 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:29,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848531596] [2021-06-05 19:47:29,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848531596] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:29,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:29,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-05 19:47:29,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404135114] [2021-06-05 19:47:29,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 19:47:29,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:29,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 19:47:29,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-05 19:47:29,683 INFO L87 Difference]: Start difference. First operand 1091 states and 2800 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 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) [2021-06-05 19:47:30,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:30,023 INFO L93 Difference]: Finished difference Result 1375 states and 3541 transitions. [2021-06-05 19:47:30,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 19:47:30,023 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-06-05 19:47:30,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:30,033 INFO L225 Difference]: With dead ends: 1375 [2021-06-05 19:47:30,035 INFO L226 Difference]: Without dead ends: 1235 [2021-06-05 19:47:30,036 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 190.1ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-06-05 19:47:30,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2021-06-05 19:47:30,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 1163. [2021-06-05 19:47:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1162 states have (on average 2.580895008605852) internal successors, (2999), 1162 states have internal predecessors, (2999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2999 transitions. [2021-06-05 19:47:30,057 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2999 transitions. Word has length 67 [2021-06-05 19:47:30,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:30,057 INFO L482 AbstractCegarLoop]: Abstraction has 1163 states and 2999 transitions. [2021-06-05 19:47:30,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 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) [2021-06-05 19:47:30,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2999 transitions. [2021-06-05 19:47:30,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-06-05 19:47:30,059 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:30,059 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:30,059 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 19:47:30,059 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:30,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:30,059 INFO L82 PathProgramCache]: Analyzing trace with hash 415529740, now seen corresponding path program 2 times [2021-06-05 19:47:30,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:30,060 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232690929] [2021-06-05 19:47:30,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:30,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:30,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232690929] [2021-06-05 19:47:30,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232690929] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:30,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:30,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 19:47:30,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794163920] [2021-06-05 19:47:30,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 19:47:30,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:30,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 19:47:30,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-05 19:47:30,310 INFO L87 Difference]: Start difference. First operand 1163 states and 2999 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 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) [2021-06-05 19:47:30,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:30,486 INFO L93 Difference]: Finished difference Result 1288 states and 3296 transitions. [2021-06-05 19:47:30,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 19:47:30,487 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-06-05 19:47:30,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:30,490 INFO L225 Difference]: With dead ends: 1288 [2021-06-05 19:47:30,491 INFO L226 Difference]: Without dead ends: 1168 [2021-06-05 19:47:30,491 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 150.1ms TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-06-05 19:47:30,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2021-06-05 19:47:30,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1165. [2021-06-05 19:47:30,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 1164 states have (on average 2.579896907216495) internal successors, (3003), 1164 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 3003 transitions. [2021-06-05 19:47:30,510 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 3003 transitions. Word has length 67 [2021-06-05 19:47:30,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:30,511 INFO L482 AbstractCegarLoop]: Abstraction has 1165 states and 3003 transitions. [2021-06-05 19:47:30,511 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 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) [2021-06-05 19:47:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 3003 transitions. [2021-06-05 19:47:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-06-05 19:47:30,512 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:30,513 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:30,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 19:47:30,513 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:30,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:30,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1114523312, now seen corresponding path program 3 times [2021-06-05 19:47:30,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:30,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101371605] [2021-06-05 19:47:30,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:30,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:30,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101371605] [2021-06-05 19:47:30,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101371605] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:30,743 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:30,743 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-05 19:47:30,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5496651] [2021-06-05 19:47:30,743 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 19:47:30,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:30,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 19:47:30,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-06-05 19:47:30,745 INFO L87 Difference]: Start difference. First operand 1165 states and 3003 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 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) [2021-06-05 19:47:31,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:31,003 INFO L93 Difference]: Finished difference Result 1478 states and 3806 transitions. [2021-06-05 19:47:31,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 19:47:31,004 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-06-05 19:47:31,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:31,008 INFO L225 Difference]: With dead ends: 1478 [2021-06-05 19:47:31,008 INFO L226 Difference]: Without dead ends: 1342 [2021-06-05 19:47:31,009 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 183.2ms TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2021-06-05 19:47:31,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2021-06-05 19:47:31,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1238. [2021-06-05 19:47:31,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1237 states have (on average 2.5772029102667746) internal successors, (3188), 1237 states have internal predecessors, (3188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 3188 transitions. [2021-06-05 19:47:31,029 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 3188 transitions. Word has length 67 [2021-06-05 19:47:31,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:31,030 INFO L482 AbstractCegarLoop]: Abstraction has 1238 states and 3188 transitions. [2021-06-05 19:47:31,030 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 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) [2021-06-05 19:47:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 3188 transitions. [2021-06-05 19:47:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 19:47:31,032 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:31,032 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:31,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 19:47:31,032 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:31,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:31,032 INFO L82 PathProgramCache]: Analyzing trace with hash -2137812530, now seen corresponding path program 1 times [2021-06-05 19:47:31,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:31,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712512446] [2021-06-05 19:47:31,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:31,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:31,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712512446] [2021-06-05 19:47:31,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712512446] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:31,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:31,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-05 19:47:31,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689703742] [2021-06-05 19:47:31,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 19:47:31,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:31,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 19:47:31,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-06-05 19:47:31,250 INFO L87 Difference]: Start difference. First operand 1238 states and 3188 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:31,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:31,566 INFO L93 Difference]: Finished difference Result 1918 states and 4941 transitions. [2021-06-05 19:47:31,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 19:47:31,567 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 [2021-06-05 19:47:31,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:31,572 INFO L225 Difference]: With dead ends: 1918 [2021-06-05 19:47:31,572 INFO L226 Difference]: Without dead ends: 1418 [2021-06-05 19:47:31,572 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 200.6ms TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2021-06-05 19:47:31,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2021-06-05 19:47:31,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1310. [2021-06-05 19:47:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1309 states have (on average 2.5874713521772343) internal successors, (3387), 1309 states have internal predecessors, (3387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 3387 transitions. [2021-06-05 19:47:31,602 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 3387 transitions. Word has length 68 [2021-06-05 19:47:31,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:31,602 INFO L482 AbstractCegarLoop]: Abstraction has 1310 states and 3387 transitions. [2021-06-05 19:47:31,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 3387 transitions. [2021-06-05 19:47:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 19:47:31,605 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:31,605 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:31,605 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 19:47:31,605 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:31,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:31,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1554753303, now seen corresponding path program 1 times [2021-06-05 19:47:31,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:31,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656199840] [2021-06-05 19:47:31,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:31,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:31,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656199840] [2021-06-05 19:47:31,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656199840] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:31,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:31,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-05 19:47:31,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271470237] [2021-06-05 19:47:31,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 19:47:31,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:31,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 19:47:31,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-05 19:47:31,918 INFO L87 Difference]: Start difference. First operand 1310 states and 3387 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:32,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:32,316 INFO L93 Difference]: Finished difference Result 1563 states and 4033 transitions. [2021-06-05 19:47:32,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 19:47:32,317 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 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 [2021-06-05 19:47:32,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:32,321 INFO L225 Difference]: With dead ends: 1563 [2021-06-05 19:47:32,322 INFO L226 Difference]: Without dead ends: 1463 [2021-06-05 19:47:32,322 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 283.1ms TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-06-05 19:47:32,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2021-06-05 19:47:32,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1418. [2021-06-05 19:47:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1417 states have (on average 2.591390261115032) internal successors, (3672), 1417 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:32,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 3672 transitions. [2021-06-05 19:47:32,343 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 3672 transitions. Word has length 68 [2021-06-05 19:47:32,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:32,344 INFO L482 AbstractCegarLoop]: Abstraction has 1418 states and 3672 transitions. [2021-06-05 19:47:32,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:32,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 3672 transitions. [2021-06-05 19:47:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 19:47:32,346 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:32,346 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:32,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 19:47:32,346 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:32,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:32,346 INFO L82 PathProgramCache]: Analyzing trace with hash -198331534, now seen corresponding path program 2 times [2021-06-05 19:47:32,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:32,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718798856] [2021-06-05 19:47:32,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:32,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:32,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:32,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718798856] [2021-06-05 19:47:32,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718798856] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:32,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:32,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-05 19:47:32,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057183780] [2021-06-05 19:47:32,631 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 19:47:32,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:32,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 19:47:32,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-06-05 19:47:32,632 INFO L87 Difference]: Start difference. First operand 1418 states and 3672 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:32,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:32,981 INFO L93 Difference]: Finished difference Result 1629 states and 4150 transitions. [2021-06-05 19:47:32,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 19:47:32,982 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 [2021-06-05 19:47:32,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:32,987 INFO L225 Difference]: With dead ends: 1629 [2021-06-05 19:47:32,987 INFO L226 Difference]: Without dead ends: 1533 [2021-06-05 19:47:32,987 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 303.8ms TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2021-06-05 19:47:32,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2021-06-05 19:47:33,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1337. [2021-06-05 19:47:33,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1336 states have (on average 2.5733532934131738) internal successors, (3438), 1336 states have internal predecessors, (3438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:33,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 3438 transitions. [2021-06-05 19:47:33,010 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 3438 transitions. Word has length 68 [2021-06-05 19:47:33,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:33,010 INFO L482 AbstractCegarLoop]: Abstraction has 1337 states and 3438 transitions. [2021-06-05 19:47:33,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:33,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 3438 transitions. [2021-06-05 19:47:33,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 19:47:33,012 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:33,012 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:33,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 19:47:33,013 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:33,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:33,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1630264167, now seen corresponding path program 2 times [2021-06-05 19:47:33,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:33,013 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638070248] [2021-06-05 19:47:33,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:33,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:33,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638070248] [2021-06-05 19:47:33,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638070248] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:33,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:33,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 19:47:33,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712027798] [2021-06-05 19:47:33,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 19:47:33,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:33,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 19:47:33,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 19:47:33,109 INFO L87 Difference]: Start difference. First operand 1337 states and 3438 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:33,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:33,232 INFO L93 Difference]: Finished difference Result 1986 states and 5113 transitions. [2021-06-05 19:47:33,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 19:47:33,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 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 [2021-06-05 19:47:33,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:33,236 INFO L225 Difference]: With dead ends: 1986 [2021-06-05 19:47:33,236 INFO L226 Difference]: Without dead ends: 1425 [2021-06-05 19:47:33,236 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.0ms TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-05 19:47:33,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2021-06-05 19:47:33,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1425. [2021-06-05 19:47:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1424 states have (on average 2.518960674157303) internal successors, (3587), 1424 states have internal predecessors, (3587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:33,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 3587 transitions. [2021-06-05 19:47:33,261 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 3587 transitions. Word has length 68 [2021-06-05 19:47:33,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:33,261 INFO L482 AbstractCegarLoop]: Abstraction has 1425 states and 3587 transitions. [2021-06-05 19:47:33,261 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:33,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 3587 transitions. [2021-06-05 19:47:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 19:47:33,263 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:33,263 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:33,263 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 19:47:33,263 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:33,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:33,264 INFO L82 PathProgramCache]: Analyzing trace with hash 51572743, now seen corresponding path program 3 times [2021-06-05 19:47:33,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:33,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875252650] [2021-06-05 19:47:33,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:33,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:33,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875252650] [2021-06-05 19:47:33,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875252650] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:33,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:33,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-05 19:47:33,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943411546] [2021-06-05 19:47:33,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 19:47:33,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:33,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 19:47:33,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-06-05 19:47:33,472 INFO L87 Difference]: Start difference. First operand 1425 states and 3587 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:34,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:34,161 INFO L93 Difference]: Finished difference Result 1966 states and 4932 transitions. [2021-06-05 19:47:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 19:47:34,161 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 [2021-06-05 19:47:34,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:34,165 INFO L225 Difference]: With dead ends: 1966 [2021-06-05 19:47:34,165 INFO L226 Difference]: Without dead ends: 1550 [2021-06-05 19:47:34,166 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 518.8ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-06-05 19:47:34,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2021-06-05 19:47:34,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1237. [2021-06-05 19:47:34,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1237 states, 1236 states have (on average 2.4911003236245954) internal successors, (3079), 1236 states have internal predecessors, (3079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:34,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 3079 transitions. [2021-06-05 19:47:34,183 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 3079 transitions. Word has length 68 [2021-06-05 19:47:34,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:34,183 INFO L482 AbstractCegarLoop]: Abstraction has 1237 states and 3079 transitions. [2021-06-05 19:47:34,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 3079 transitions. [2021-06-05 19:47:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 19:47:34,185 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:34,185 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:34,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 19:47:34,185 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:34,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:34,185 INFO L82 PathProgramCache]: Analyzing trace with hash -385335890, now seen corresponding path program 3 times [2021-06-05 19:47:34,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:34,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927358022] [2021-06-05 19:47:34,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:34,520 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:34,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927358022] [2021-06-05 19:47:34,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927358022] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:34,520 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:34,520 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-05 19:47:34,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862092896] [2021-06-05 19:47:34,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 19:47:34,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:34,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 19:47:34,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-06-05 19:47:34,521 INFO L87 Difference]: Start difference. First operand 1237 states and 3079 transitions. Second operand has 17 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:34,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:34,921 INFO L93 Difference]: Finished difference Result 1316 states and 3252 transitions. [2021-06-05 19:47:34,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 19:47:34,921 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 0 states have call successors, (0), 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 [2021-06-05 19:47:34,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:34,925 INFO L225 Difference]: With dead ends: 1316 [2021-06-05 19:47:34,925 INFO L226 Difference]: Without dead ends: 1220 [2021-06-05 19:47:34,925 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 394.5ms TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2021-06-05 19:47:34,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2021-06-05 19:47:34,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1192. [2021-06-05 19:47:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1192 states, 1191 states have (on average 2.499580184718724) internal successors, (2977), 1191 states have internal predecessors, (2977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:34,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 2977 transitions. [2021-06-05 19:47:34,941 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 2977 transitions. Word has length 68 [2021-06-05 19:47:34,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:34,941 INFO L482 AbstractCegarLoop]: Abstraction has 1192 states and 2977 transitions. [2021-06-05 19:47:34,941 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 2977 transitions. [2021-06-05 19:47:34,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 19:47:34,942 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:34,943 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:34,943 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 19:47:34,943 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:34,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:34,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1003277963, now seen corresponding path program 4 times [2021-06-05 19:47:34,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:34,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049944247] [2021-06-05 19:47:34,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:35,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:35,045 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:35,045 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049944247] [2021-06-05 19:47:35,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049944247] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:35,046 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:35,046 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-05 19:47:35,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767028726] [2021-06-05 19:47:35,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 19:47:35,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:35,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 19:47:35,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-06-05 19:47:35,047 INFO L87 Difference]: Start difference. First operand 1192 states and 2977 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:35,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:35,207 INFO L93 Difference]: Finished difference Result 1331 states and 3294 transitions. [2021-06-05 19:47:35,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 19:47:35,207 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 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 [2021-06-05 19:47:35,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:35,210 INFO L225 Difference]: With dead ends: 1331 [2021-06-05 19:47:35,210 INFO L226 Difference]: Without dead ends: 997 [2021-06-05 19:47:35,210 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 78.7ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-06-05 19:47:35,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-06-05 19:47:35,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 982. [2021-06-05 19:47:35,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 981 states have (on average 2.505606523955148) internal successors, (2458), 981 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:35,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 2458 transitions. [2021-06-05 19:47:35,224 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 2458 transitions. Word has length 68 [2021-06-05 19:47:35,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:35,224 INFO L482 AbstractCegarLoop]: Abstraction has 982 states and 2458 transitions. [2021-06-05 19:47:35,224 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:35,224 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 2458 transitions. [2021-06-05 19:47:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 19:47:35,225 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:35,225 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:35,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-05 19:47:35,225 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:35,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:35,226 INFO L82 PathProgramCache]: Analyzing trace with hash 213431599, now seen corresponding path program 1 times [2021-06-05 19:47:35,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:35,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847873515] [2021-06-05 19:47:35,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:35,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:35,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847873515] [2021-06-05 19:47:35,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847873515] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:35,407 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:35,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 19:47:35,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010975232] [2021-06-05 19:47:35,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 19:47:35,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:35,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 19:47:35,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-05 19:47:35,408 INFO L87 Difference]: Start difference. First operand 982 states and 2458 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 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) [2021-06-05 19:47:35,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:35,669 INFO L93 Difference]: Finished difference Result 1485 states and 3749 transitions. [2021-06-05 19:47:35,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 19:47:35,669 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 19:47:35,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:35,673 INFO L225 Difference]: With dead ends: 1485 [2021-06-05 19:47:35,673 INFO L226 Difference]: Without dead ends: 1144 [2021-06-05 19:47:35,673 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 135.4ms TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-06-05 19:47:35,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2021-06-05 19:47:35,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1144. [2021-06-05 19:47:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1143 states have (on average 2.505686789151356) internal successors, (2864), 1143 states have internal predecessors, (2864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 2864 transitions. [2021-06-05 19:47:35,687 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 2864 transitions. Word has length 69 [2021-06-05 19:47:35,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:35,687 INFO L482 AbstractCegarLoop]: Abstraction has 1144 states and 2864 transitions. [2021-06-05 19:47:35,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 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) [2021-06-05 19:47:35,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2864 transitions. [2021-06-05 19:47:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 19:47:35,689 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:35,689 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:35,689 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-05 19:47:35,689 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:35,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:35,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1914134933, now seen corresponding path program 2 times [2021-06-05 19:47:35,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:35,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786087950] [2021-06-05 19:47:35,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:35,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:35,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:35,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786087950] [2021-06-05 19:47:35,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786087950] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:35,846 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:35,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-05 19:47:35,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842695652] [2021-06-05 19:47:35,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 19:47:35,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:35,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 19:47:35,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-06-05 19:47:35,847 INFO L87 Difference]: Start difference. First operand 1144 states and 2864 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 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) [2021-06-05 19:47:36,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:36,213 INFO L93 Difference]: Finished difference Result 1481 states and 3685 transitions. [2021-06-05 19:47:36,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 19:47:36,214 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 19:47:36,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:36,216 INFO L225 Difference]: With dead ends: 1481 [2021-06-05 19:47:36,217 INFO L226 Difference]: Without dead ends: 874 [2021-06-05 19:47:36,217 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 250.2ms TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2021-06-05 19:47:36,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-06-05 19:47:36,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 862. [2021-06-05 19:47:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 861 states have (on average 2.4111498257839723) internal successors, (2076), 861 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:36,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 2076 transitions. [2021-06-05 19:47:36,230 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 2076 transitions. Word has length 69 [2021-06-05 19:47:36,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:36,231 INFO L482 AbstractCegarLoop]: Abstraction has 862 states and 2076 transitions. [2021-06-05 19:47:36,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 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) [2021-06-05 19:47:36,231 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2076 transitions. [2021-06-05 19:47:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 19:47:36,232 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:36,232 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:47:36,232 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-05 19:47:36,232 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:36,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:36,232 INFO L82 PathProgramCache]: Analyzing trace with hash -396650191, now seen corresponding path program 3 times [2021-06-05 19:47:36,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:36,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563201701] [2021-06-05 19:47:36,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:36,352 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:36,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563201701] [2021-06-05 19:47:36,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563201701] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:36,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:36,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-05 19:47:36,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105371114] [2021-06-05 19:47:36,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 19:47:36,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:36,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 19:47:36,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-06-05 19:47:36,353 INFO L87 Difference]: Start difference. First operand 862 states and 2076 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 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) [2021-06-05 19:47:36,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:36,520 INFO L93 Difference]: Finished difference Result 814 states and 1952 transitions. [2021-06-05 19:47:36,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 19:47:36,521 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 19:47:36,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:36,521 INFO L225 Difference]: With dead ends: 814 [2021-06-05 19:47:36,521 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 19:47:36,521 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 102.9ms TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-06-05 19:47:36,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 19:47:36,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 19:47:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:36,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 19:47:36,522 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2021-06-05 19:47:36,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:36,522 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 19:47:36,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 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) [2021-06-05 19:47:36,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 19:47:36,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 19:47:36,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 19:47:36,522 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-06-05 19:47:36,523 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 19:47:36,523 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 19:47:36,523 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 19:47:36,523 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 19:47:36,523 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 19:47:36,523 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 19:47:36,523 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 19:47:36,523 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 19:47:36,523 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P1Thread1of1ForFork1======== [2021-06-05 19:47:36,524 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 91 transitions, 192 flow [2021-06-05 19:47:36,555 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2576 states, 2572 states have (on average 2.79199066874028) internal successors, (7181), 2575 states have internal predecessors, (7181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:36,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 2576 states, 2572 states have (on average 2.79199066874028) internal successors, (7181), 2575 states have internal predecessors, (7181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:36,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-06-05 19:47:36,557 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:47:36,558 INFO L554 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] [2021-06-05 19:47:36,558 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:47:36,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:47:36,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1198870446, now seen corresponding path program 1 times [2021-06-05 19:47:36,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:47:36,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598401757] [2021-06-05 19:47:36,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:47:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:47:36,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 19:47:36,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:47:36,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598401757] [2021-06-05 19:47:36,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598401757] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:47:36,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:47:36,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 19:47:36,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787468153] [2021-06-05 19:47:36,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 19:47:36,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:47:36,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 19:47:36,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 19:47:36,579 INFO L87 Difference]: Start difference. First operand has 2576 states, 2572 states have (on average 2.79199066874028) internal successors, (7181), 2575 states have internal predecessors, (7181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 23.5) 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) [2021-06-05 19:47:36,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:47:36,619 INFO L93 Difference]: Finished difference Result 2261 states and 6091 transitions. [2021-06-05 19:47:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 19:47:36,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) 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 [2021-06-05 19:47:36,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:47:36,620 INFO L225 Difference]: With dead ends: 2261 [2021-06-05 19:47:36,620 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 19:47:36,620 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 19:47:36,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 19:47:36,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 19:47:36,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:47:36,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 19:47:36,620 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2021-06-05 19:47:36,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:47:36,620 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 19:47:36,621 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 23.5) 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) [2021-06-05 19:47:36,621 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 19:47:36,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 19:47:36,621 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-05 19:47:36,621 INFO L301 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork1 was SAFE (3/3) [2021-06-05 19:47:36,622 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 19:47:36,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 07:47:36 BasicIcfg [2021-06-05 19:47:36,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 19:47:36,624 INFO L168 Benchmark]: Toolchain (without parser) took 10986.93 ms. Allocated memory was 350.2 MB in the beginning and 677.4 MB in the end (delta: 327.2 MB). Free memory was 312.3 MB in the beginning and 285.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 354.4 MB. Max. memory is 16.0 GB. [2021-06-05 19:47:36,624 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 350.2 MB. Free memory was 330.7 MB in the beginning and 330.6 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 19:47:36,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.95 ms. Allocated memory is still 350.2 MB. Free memory was 312.1 MB in the beginning and 306.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-05 19:47:36,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.18 ms. Allocated memory is still 350.2 MB. Free memory was 306.8 MB in the beginning and 303.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 19:47:36,625 INFO L168 Benchmark]: Boogie Preprocessor took 38.61 ms. Allocated memory is still 350.2 MB. Free memory was 303.7 MB in the beginning and 300.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-05 19:47:36,629 INFO L168 Benchmark]: RCFGBuilder took 2248.97 ms. Allocated memory was 350.2 MB in the beginning and 450.9 MB in the end (delta: 100.7 MB). Free memory was 300.5 MB in the beginning and 296.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 152.8 MB. Max. memory is 16.0 GB. [2021-06-05 19:47:36,629 INFO L168 Benchmark]: TraceAbstraction took 8102.87 ms. Allocated memory was 450.9 MB in the beginning and 677.4 MB in the end (delta: 226.5 MB). Free memory was 296.7 MB in the beginning and 285.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 236.6 MB. Max. memory is 16.0 GB. [2021-06-05 19:47:36,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 350.2 MB. Free memory was 330.7 MB in the beginning and 330.6 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 526.95 ms. Allocated memory is still 350.2 MB. Free memory was 312.1 MB in the beginning and 306.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 64.18 ms. Allocated memory is still 350.2 MB. Free memory was 306.8 MB in the beginning and 303.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.61 ms. Allocated memory is still 350.2 MB. Free memory was 303.7 MB in the beginning and 300.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2248.97 ms. Allocated memory was 350.2 MB in the beginning and 450.9 MB in the end (delta: 100.7 MB). Free memory was 300.5 MB in the beginning and 296.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 152.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8102.87 ms. Allocated memory was 450.9 MB in the beginning and 677.4 MB in the end (delta: 226.5 MB). Free memory was 296.7 MB in the beginning and 285.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 236.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1 with 1 thread instances CFG has 5 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 101.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 22.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 76.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2576occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7808.7ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 30.1ms, AutomataDifference: 4364.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 38.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1722 SDtfs, 2743 SDslu, 8523 SDs, 0 SdLazy, 2066 SolverSat, 538 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1924.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 30 SyntacticMatches, 9 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 3045.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2576occurred in iteration=0, InterpolantAutomatonStates: 176, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 296.9ms AutomataMinimizationTime, 15 MinimizatonAttempts, 896 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 48.2ms SsaConstructionTime, 524.2ms SatisfiabilityAnalysisTime, 2355.6ms InterpolantComputationTime, 1006 NumberOfCodeBlocks, 1006 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 991 ConstructedInterpolants, 0 QuantifiedInterpolants, 6637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 97.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 2.5ms, AutomataDifference: 43.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 31.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 79 SDtfs, 26 SDslu, 56 SDs, 0 SdLazy, 14 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2576occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9ms SsaConstructionTime, 2.0ms SatisfiabilityAnalysisTime, 9.4ms InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...