/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 21:55:27,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 21:55:27,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 21:55:27,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 21:55:27,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 21:55:27,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 21:55:27,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 21:55:27,108 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 [2022-02-10 21:55:27,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 21:55:27,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 21:55:27,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 21:55:27,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 21:55:27,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 21:55:27,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 21:55:27,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 21:55:27,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 21:55:27,125 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 21:55:27,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 21:55:27,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 21:55:27,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 21:55:27,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 21:55:27,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 21:55:27,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 21:55:27,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 21:55:27,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 21:55:27,127 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 21:55:27,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 21:55:27,127 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 21:55:27,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 21:55:27,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 21:55:27,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 21:55:27,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 21:55:27,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 21:55:27,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:55:27,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 21:55:27,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 21:55:27,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 21:55:27,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 21:55:27,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 21:55:27,129 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 21:55:27,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 21:55:27,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 21:55:27,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 21:55:27,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 21:55:27,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 21:55:27,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 21:55:27,334 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 21:55:27,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i [2022-02-10 21:55:27,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da0de0ef9/7b1e32b323fa4bf5acd51ce211d27ff4/FLAG5ff36536c [2022-02-10 21:55:27,770 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 21:55:27,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i [2022-02-10 21:55:27,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da0de0ef9/7b1e32b323fa4bf5acd51ce211d27ff4/FLAG5ff36536c [2022-02-10 21:55:28,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da0de0ef9/7b1e32b323fa4bf5acd51ce211d27ff4 [2022-02-10 21:55:28,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 21:55:28,130 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 21:55:28,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 21:55:28,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 21:55:28,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 21:55:28,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aab09c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28, skipping insertion in model container [2022-02-10 21:55:28,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 21:55:28,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 21:55:28,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i[30035,30048] [2022-02-10 21:55:28,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:55:28,427 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 21:55:28,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i[30035,30048] [2022-02-10 21:55:28,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:55:28,492 INFO L208 MainTranslator]: Completed translation [2022-02-10 21:55:28,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28 WrapperNode [2022-02-10 21:55:28,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 21:55:28,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 21:55:28,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 21:55:28,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 21:55:28,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,537 INFO L137 Inliner]: procedures = 170, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2022-02-10 21:55:28,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 21:55:28,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 21:55:28,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 21:55:28,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 21:55:28,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 21:55:28,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 21:55:28,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 21:55:28,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 21:55:28,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (1/1) ... [2022-02-10 21:55:28,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:55:28,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:55:28,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 21:55:28,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 21:55:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-02-10 21:55:28,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-02-10 21:55:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-02-10 21:55:28,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-02-10 21:55:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 21:55:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 21:55:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 21:55:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 21:55:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 21:55:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 21:55:28,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 21:55:28,637 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 21:55:28,749 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 21:55:28,750 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 21:55:28,861 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 21:55:28,865 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 21:55:28,866 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-10 21:55:28,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:55:28 BoogieIcfgContainer [2022-02-10 21:55:28,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 21:55:28,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 21:55:28,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 21:55:28,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 21:55:28,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 09:55:28" (1/3) ... [2022-02-10 21:55:28,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49576c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:55:28, skipping insertion in model container [2022-02-10 21:55:28,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:55:28" (2/3) ... [2022-02-10 21:55:28,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49576c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:55:28, skipping insertion in model container [2022-02-10 21:55:28,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:55:28" (3/3) ... [2022-02-10 21:55:28,872 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-2.i [2022-02-10 21:55:28,875 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 21:55:28,875 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 21:55:28,875 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 21:55:28,875 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 21:55:28,898 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,898 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,898 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,899 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,899 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,899 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,899 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,899 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,899 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,900 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,900 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,900 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,900 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,900 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,902 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,902 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,902 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,902 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,902 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,904 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,906 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,907 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,907 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,907 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,907 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,909 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,909 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,909 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,909 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,909 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,909 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:28,910 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 21:55:28,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:55:28,954 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 21:55:28,954 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 21:55:28,965 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 77 transitions, 164 flow [2022-02-10 21:55:29,043 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1426 states, 1422 states have (on average 2.6441631504922642) internal successors, (3760), 1425 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 1426 states, 1422 states have (on average 2.6441631504922642) internal successors, (3760), 1425 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:29,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-10 21:55:29,054 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:55:29,055 INFO L515 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] [2022-02-10 21:55:29,056 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-10 21:55:29,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:55:29,059 INFO L85 PathProgramCache]: Analyzing trace with hash 25235032, now seen corresponding path program 1 times [2022-02-10 21:55:29,065 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:55:29,066 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246028058] [2022-02-10 21:55:29,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:29,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:55:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:55:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:29,483 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:55:29,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246028058] [2022-02-10 21:55:29,484 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246028058] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:55:29,484 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:55:29,484 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:55:29,485 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400687075] [2022-02-10 21:55:29,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:55:29,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:55:29,489 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:55:29,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:55:29,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:55:29,519 INFO L87 Difference]: Start difference. First operand has 1426 states, 1422 states have (on average 2.6441631504922642) internal successors, (3760), 1425 states have internal predecessors, (3760), 0 states have call successors, (0), 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 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:29,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:55:29,719 INFO L93 Difference]: Finished difference Result 1344 states and 3305 transitions. [2022-02-10 21:55:29,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 21:55:29,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-02-10 21:55:29,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:55:29,736 INFO L225 Difference]: With dead ends: 1344 [2022-02-10 21:55:29,736 INFO L226 Difference]: Without dead ends: 1127 [2022-02-10 21:55:29,737 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-02-10 21:55:29,739 INFO L934 BasicCegarLoop]: 109 mSDtfsCounter, 224 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:55:29,740 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 528 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:55:29,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2022-02-10 21:55:29,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1061. [2022-02-10 21:55:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 1058 states have (on average 2.4829867674858224) internal successors, (2627), 1060 states have internal predecessors, (2627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:29,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 2627 transitions. [2022-02-10 21:55:29,812 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 2627 transitions. Word has length 40 [2022-02-10 21:55:29,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:55:29,812 INFO L470 AbstractCegarLoop]: Abstraction has 1061 states and 2627 transitions. [2022-02-10 21:55:29,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:29,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 2627 transitions. [2022-02-10 21:55:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-10 21:55:29,819 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:55:29,819 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:55:29,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 21:55:29,819 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-10 21:55:29,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:55:29,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1080909318, now seen corresponding path program 1 times [2022-02-10 21:55:29,820 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:55:29,820 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617660359] [2022-02-10 21:55:29,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:29,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:55:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:55:29,841 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 21:55:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:55:29,878 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 21:55:29,878 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 21:55:29,879 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 4 remaining) [2022-02-10 21:55:29,880 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-02-10 21:55:29,880 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 4 remaining) [2022-02-10 21:55:29,880 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-10 21:55:29,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 21:55:29,882 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-10 21:55:29,883 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-10 21:55:29,883 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-10 21:55:29,894 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,894 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,894 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,895 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,895 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,895 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,895 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,895 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,895 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,895 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,895 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,895 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,895 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,896 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,896 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,896 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,896 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,896 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,896 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,896 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,896 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,896 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,896 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,897 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,897 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,897 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,897 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,897 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,897 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,897 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,898 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,898 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,898 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,898 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,898 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,898 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,898 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,898 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,898 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,898 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,899 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,899 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,899 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,899 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,899 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,899 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,899 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,899 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,899 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,899 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,900 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,901 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,901 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,902 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,902 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,902 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,902 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,902 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,902 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,902 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,902 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,902 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,903 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,904 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,904 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,904 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,904 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,904 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,904 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:29,904 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 21:55:29,905 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:55:29,906 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 21:55:29,906 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-10 21:55:29,907 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 96 transitions, 216 flow [2022-02-10 21:55:30,106 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8698 states, 8693 states have (on average 3.4611756585758657) internal successors, (30088), 8697 states have internal predecessors, (30088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:30,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 8698 states, 8693 states have (on average 3.4611756585758657) internal successors, (30088), 8697 states have internal predecessors, (30088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-10 21:55:30,128 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:55:30,128 INFO L515 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] [2022-02-10 21:55:30,128 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:55:30,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:55:30,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1995614165, now seen corresponding path program 1 times [2022-02-10 21:55:30,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:55:30,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305647754] [2022-02-10 21:55:30,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:30,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:55:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:55:30,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:30,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:55:30,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305647754] [2022-02-10 21:55:30,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305647754] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:55:30,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:55:30,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:55:30,329 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621827917] [2022-02-10 21:55:30,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:55:30,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:55:30,330 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:55:30,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:55:30,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:55:30,355 INFO L87 Difference]: Start difference. First operand has 8698 states, 8693 states have (on average 3.4611756585758657) internal successors, (30088), 8697 states have internal predecessors, (30088), 0 states have call successors, (0), 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 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:30,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:55:30,624 INFO L93 Difference]: Finished difference Result 9442 states and 30826 transitions. [2022-02-10 21:55:30,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 21:55:30,624 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-02-10 21:55:30,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:55:30,668 INFO L225 Difference]: With dead ends: 9442 [2022-02-10 21:55:30,668 INFO L226 Difference]: Without dead ends: 8253 [2022-02-10 21:55:30,668 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-02-10 21:55:30,669 INFO L934 BasicCegarLoop]: 121 mSDtfsCounter, 239 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:55:30,669 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 675 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:55:30,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8253 states. [2022-02-10 21:55:30,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8253 to 7533. [2022-02-10 21:55:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7533 states, 7529 states have (on average 3.294859875149422) internal successors, (24807), 7532 states have internal predecessors, (24807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7533 states to 7533 states and 24807 transitions. [2022-02-10 21:55:30,944 INFO L78 Accepts]: Start accepts. Automaton has 7533 states and 24807 transitions. Word has length 40 [2022-02-10 21:55:30,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:55:30,944 INFO L470 AbstractCegarLoop]: Abstraction has 7533 states and 24807 transitions. [2022-02-10 21:55:30,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:30,945 INFO L276 IsEmpty]: Start isEmpty. Operand 7533 states and 24807 transitions. [2022-02-10 21:55:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-10 21:55:30,949 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:55:30,949 INFO L515 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] [2022-02-10 21:55:30,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 21:55:30,949 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:55:30,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:55:30,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1923437499, now seen corresponding path program 1 times [2022-02-10 21:55:30,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:55:30,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766449281] [2022-02-10 21:55:30,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:30,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:55:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:55:31,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:31,028 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:55:31,028 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766449281] [2022-02-10 21:55:31,028 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766449281] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:55:31,028 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:55:31,028 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 21:55:31,028 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803147804] [2022-02-10 21:55:31,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:55:31,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 21:55:31,029 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:55:31,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 21:55:31,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-02-10 21:55:31,029 INFO L87 Difference]: Start difference. First operand 7533 states and 24807 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:31,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:55:31,564 INFO L93 Difference]: Finished difference Result 13297 states and 42503 transitions. [2022-02-10 21:55:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-10 21:55:31,568 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-02-10 21:55:31,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:55:31,630 INFO L225 Difference]: With dead ends: 13297 [2022-02-10 21:55:31,630 INFO L226 Difference]: Without dead ends: 12541 [2022-02-10 21:55:31,630 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=890, Unknown=0, NotChecked=0, Total=1190 [2022-02-10 21:55:31,636 INFO L934 BasicCegarLoop]: 194 mSDtfsCounter, 501 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:55:31,638 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [501 Valid, 1055 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:55:31,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12541 states. [2022-02-10 21:55:31,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12541 to 6633. [2022-02-10 21:55:31,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6633 states, 6630 states have (on average 3.3048265460030164) internal successors, (21911), 6632 states have internal predecessors, (21911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6633 states to 6633 states and 21911 transitions. [2022-02-10 21:55:31,891 INFO L78 Accepts]: Start accepts. Automaton has 6633 states and 21911 transitions. Word has length 52 [2022-02-10 21:55:31,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:55:31,892 INFO L470 AbstractCegarLoop]: Abstraction has 6633 states and 21911 transitions. [2022-02-10 21:55:31,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:31,892 INFO L276 IsEmpty]: Start isEmpty. Operand 6633 states and 21911 transitions. [2022-02-10 21:55:31,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-02-10 21:55:31,896 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:55:31,897 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:55:31,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 21:55:31,897 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:55:31,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:55:31,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1541547493, now seen corresponding path program 1 times [2022-02-10 21:55:31,897 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:55:31,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315156638] [2022-02-10 21:55:31,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:31,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:55:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:55:31,912 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 21:55:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:55:31,928 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 21:55:31,928 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 21:55:31,929 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATION (4 of 5 remaining) [2022-02-10 21:55:31,929 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-02-10 21:55:31,929 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2022-02-10 21:55:31,929 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-02-10 21:55:31,929 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-02-10 21:55:31,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 21:55:31,929 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-10 21:55:31,930 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-10 21:55:31,930 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-10 21:55:31,937 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,937 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,937 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,937 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,937 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,938 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,939 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,940 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,941 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,941 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,941 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,941 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,941 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,941 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,941 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,941 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,941 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,941 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,942 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,943 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,944 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,945 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,946 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,946 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,946 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,946 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,946 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,946 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,946 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,946 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,946 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,947 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,947 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,947 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,947 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,947 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,947 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,947 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,948 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,948 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,948 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,948 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,948 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,948 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,948 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,948 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,948 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,949 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,949 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,949 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,949 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,949 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,949 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,949 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,950 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,950 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,950 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,950 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,950 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:31,950 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 21:55:31,951 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:55:31,951 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 21:55:31,951 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-10 21:55:31,952 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 124 places, 115 transitions, 272 flow [2022-02-10 21:55:33,145 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52330 states, 52324 states have (on average 4.288968733277272) internal successors, (224416), 52329 states have internal predecessors, (224416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 52330 states, 52324 states have (on average 4.288968733277272) internal successors, (224416), 52329 states have internal predecessors, (224416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-10 21:55:33,247 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:55:33,247 INFO L515 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] [2022-02-10 21:55:33,248 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-10 21:55:33,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:55:33,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1038200074, now seen corresponding path program 1 times [2022-02-10 21:55:33,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:55:33,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890434646] [2022-02-10 21:55:33,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:33,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:55:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:55:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:33,477 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:55:33,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890434646] [2022-02-10 21:55:33,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890434646] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:55:33,478 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:55:33,478 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:55:33,478 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931413341] [2022-02-10 21:55:33,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:55:33,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:55:33,478 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:55:33,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:55:33,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:55:33,568 INFO L87 Difference]: Start difference. First operand has 52330 states, 52324 states have (on average 4.288968733277272) internal successors, (224416), 52329 states have internal predecessors, (224416), 0 states have call successors, (0), 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 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:34,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:55:34,369 INFO L93 Difference]: Finished difference Result 62222 states and 254546 transitions. [2022-02-10 21:55:34,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 21:55:34,375 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-02-10 21:55:34,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:55:34,725 INFO L225 Difference]: With dead ends: 62222 [2022-02-10 21:55:34,726 INFO L226 Difference]: Without dead ends: 55201 [2022-02-10 21:55:34,726 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-02-10 21:55:34,726 INFO L934 BasicCegarLoop]: 133 mSDtfsCounter, 271 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:55:34,727 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 740 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:55:34,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55201 states. [2022-02-10 21:55:36,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55201 to 49525. [2022-02-10 21:55:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49525 states, 49520 states have (on average 4.127362681744749) internal successors, (204387), 49524 states have internal predecessors, (204387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:36,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49525 states to 49525 states and 204387 transitions. [2022-02-10 21:55:36,778 INFO L78 Accepts]: Start accepts. Automaton has 49525 states and 204387 transitions. Word has length 40 [2022-02-10 21:55:36,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:55:36,778 INFO L470 AbstractCegarLoop]: Abstraction has 49525 states and 204387 transitions. [2022-02-10 21:55:36,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 49525 states and 204387 transitions. [2022-02-10 21:55:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-10 21:55:36,779 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:55:36,779 INFO L515 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] [2022-02-10 21:55:36,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 21:55:36,780 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-10 21:55:36,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:55:36,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2136059723, now seen corresponding path program 1 times [2022-02-10 21:55:36,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:55:36,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635392814] [2022-02-10 21:55:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:36,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:55:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:55:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:36,882 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:55:36,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635392814] [2022-02-10 21:55:36,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635392814] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:55:36,882 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:55:36,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 21:55:36,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118414237] [2022-02-10 21:55:36,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:55:36,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 21:55:36,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:55:36,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 21:55:36,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-02-10 21:55:36,883 INFO L87 Difference]: Start difference. First operand 49525 states and 204387 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:38,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:55:38,149 INFO L93 Difference]: Finished difference Result 101841 states and 405379 transitions. [2022-02-10 21:55:38,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-10 21:55:38,150 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-02-10 21:55:38,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:55:38,912 INFO L225 Difference]: With dead ends: 101841 [2022-02-10 21:55:38,912 INFO L226 Difference]: Without dead ends: 97845 [2022-02-10 21:55:38,912 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=890, Unknown=0, NotChecked=0, Total=1190 [2022-02-10 21:55:38,913 INFO L934 BasicCegarLoop]: 211 mSDtfsCounter, 614 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:55:38,913 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [614 Valid, 1197 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:55:39,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97845 states. [2022-02-10 21:55:40,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97845 to 48831. [2022-02-10 21:55:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48831 states, 48827 states have (on average 4.108792266573822) internal successors, (200620), 48830 states have internal predecessors, (200620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48831 states to 48831 states and 200620 transitions. [2022-02-10 21:55:41,412 INFO L78 Accepts]: Start accepts. Automaton has 48831 states and 200620 transitions. Word has length 52 [2022-02-10 21:55:41,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:55:41,413 INFO L470 AbstractCegarLoop]: Abstraction has 48831 states and 200620 transitions. [2022-02-10 21:55:41,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:41,413 INFO L276 IsEmpty]: Start isEmpty. Operand 48831 states and 200620 transitions. [2022-02-10 21:55:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-10 21:55:41,417 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:55:41,417 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:55:41,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 21:55:41,418 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-10 21:55:41,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:55:41,418 INFO L85 PathProgramCache]: Analyzing trace with hash 959637017, now seen corresponding path program 1 times [2022-02-10 21:55:41,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:55:41,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996600714] [2022-02-10 21:55:41,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:41,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:55:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:55:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:41,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:55:41,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996600714] [2022-02-10 21:55:41,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996600714] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 21:55:41,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926702681] [2022-02-10 21:55:41,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:41,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 21:55:41,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:55:41,504 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 21:55:41,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-10 21:55:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:55:41,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-10 21:55:41,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 21:55:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:41,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 21:55:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:42,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926702681] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 21:55:42,082 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 21:55:42,082 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 25 [2022-02-10 21:55:42,082 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776077627] [2022-02-10 21:55:42,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 21:55:42,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-10 21:55:42,083 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:55:42,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-10 21:55:42,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2022-02-10 21:55:42,083 INFO L87 Difference]: Start difference. First operand 48831 states and 200620 transitions. Second operand has 25 states, 25 states have (on average 5.64) internal successors, (141), 25 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:44,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:55:44,462 INFO L93 Difference]: Finished difference Result 102921 states and 406851 transitions. [2022-02-10 21:55:44,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 21:55:44,462 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 5.64) internal successors, (141), 25 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-02-10 21:55:44,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:55:45,230 INFO L225 Difference]: With dead ends: 102921 [2022-02-10 21:55:45,230 INFO L226 Difference]: Without dead ends: 97170 [2022-02-10 21:55:45,231 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1538 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1177, Invalid=4523, Unknown=0, NotChecked=0, Total=5700 [2022-02-10 21:55:45,232 INFO L934 BasicCegarLoop]: 328 mSDtfsCounter, 1531 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 3422 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-10 21:55:45,232 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [1531 Valid, 3422 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-10 21:55:45,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97170 states. [2022-02-10 21:55:46,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97170 to 47394. [2022-02-10 21:55:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47394 states, 47390 states have (on average 4.087697826545685) internal successors, (193716), 47393 states have internal predecessors, (193716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47394 states to 47394 states and 193716 transitions. [2022-02-10 21:55:47,322 INFO L78 Accepts]: Start accepts. Automaton has 47394 states and 193716 transitions. Word has length 62 [2022-02-10 21:55:47,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:55:47,324 INFO L470 AbstractCegarLoop]: Abstraction has 47394 states and 193716 transitions. [2022-02-10 21:55:47,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.64) internal successors, (141), 25 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 47394 states and 193716 transitions. [2022-02-10 21:55:47,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-10 21:55:47,334 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:55:47,334 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:55:47,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-10 21:55:47,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 21:55:47,553 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-10 21:55:47,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:55:47,553 INFO L85 PathProgramCache]: Analyzing trace with hash -331179881, now seen corresponding path program 1 times [2022-02-10 21:55:47,553 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:55:47,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016364097] [2022-02-10 21:55:47,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:47,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:55:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:55:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:47,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:55:47,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016364097] [2022-02-10 21:55:47,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016364097] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 21:55:47,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786063429] [2022-02-10 21:55:47,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:47,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 21:55:47,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:55:47,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 21:55:47,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-10 21:55:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:55:47,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-10 21:55:47,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 21:55:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:48,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 21:55:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:55:48,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786063429] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 21:55:48,328 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 21:55:48,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 28 [2022-02-10 21:55:48,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115326954] [2022-02-10 21:55:48,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 21:55:48,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-10 21:55:48,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:55:48,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-10 21:55:48,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2022-02-10 21:55:48,330 INFO L87 Difference]: Start difference. First operand 47394 states and 193716 transitions. Second operand has 28 states, 28 states have (on average 5.178571428571429) internal successors, (145), 28 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:52,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:55:52,842 INFO L93 Difference]: Finished difference Result 113376 states and 432239 transitions. [2022-02-10 21:55:52,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-10 21:55:52,843 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.178571428571429) internal successors, (145), 28 states have internal predecessors, (145), 0 states have call successors, (0), 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 66 [2022-02-10 21:55:52,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:55:53,378 INFO L225 Difference]: With dead ends: 113376 [2022-02-10 21:55:53,379 INFO L226 Difference]: Without dead ends: 105627 [2022-02-10 21:55:53,382 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6439 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3096, Invalid=15810, Unknown=0, NotChecked=0, Total=18906 [2022-02-10 21:55:53,382 INFO L934 BasicCegarLoop]: 377 mSDtfsCounter, 2406 mSDsluCounter, 5484 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 5663 SdHoareTripleChecker+Invalid, 2230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-10 21:55:53,382 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [2406 Valid, 5663 Invalid, 2230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-10 21:55:53,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105627 states. [2022-02-10 21:55:55,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105627 to 41661. [2022-02-10 21:55:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41661 states, 41658 states have (on average 4.126770368236593) internal successors, (171913), 41660 states have internal predecessors, (171913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:55,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41661 states to 41661 states and 171913 transitions. [2022-02-10 21:55:55,501 INFO L78 Accepts]: Start accepts. Automaton has 41661 states and 171913 transitions. Word has length 66 [2022-02-10 21:55:55,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:55:55,502 INFO L470 AbstractCegarLoop]: Abstraction has 41661 states and 171913 transitions. [2022-02-10 21:55:55,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.178571428571429) internal successors, (145), 28 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:55:55,502 INFO L276 IsEmpty]: Start isEmpty. Operand 41661 states and 171913 transitions. [2022-02-10 21:55:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-10 21:55:55,522 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:55:55,522 INFO L515 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:55:55,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-10 21:55:55,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-10 21:55:55,731 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-10 21:55:55,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:55:55,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1796516230, now seen corresponding path program 1 times [2022-02-10 21:55:55,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:55:55,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051169328] [2022-02-10 21:55:55,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:55:55,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:55:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:55:55,753 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 21:55:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:55:55,769 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 21:55:55,769 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 21:55:55,769 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATION (5 of 6 remaining) [2022-02-10 21:55:55,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-02-10 21:55:55,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2022-02-10 21:55:55,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-02-10 21:55:55,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-02-10 21:55:55,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-02-10 21:55:55,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 21:55:55,770 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-10 21:55:55,770 WARN L239 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-10 21:55:55,770 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-02-10 21:55:55,803 WARN L322 ript$VariableManager]: TermVariable |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,803 WARN L322 ript$VariableManager]: TermVariable |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,803 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,803 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,803 WARN L322 ript$VariableManager]: TermVariable |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,803 WARN L322 ript$VariableManager]: TermVariable |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,803 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,804 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,805 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,806 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,807 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,808 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,809 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,810 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,811 WARN L322 ript$VariableManager]: TermVariable thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,812 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,812 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,812 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,812 WARN L322 ript$VariableManager]: TermVariable |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,812 WARN L322 ript$VariableManager]: TermVariable thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,812 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,812 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,812 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,812 WARN L322 ript$VariableManager]: TermVariable |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,812 WARN L322 ript$VariableManager]: TermVariable thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,813 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,814 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,815 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,815 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,815 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,815 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,834 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,835 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:55:55,835 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 21:55:55,836 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:55:55,836 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 21:55:55,836 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-10 21:55:55,837 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 146 places, 134 transitions, 332 flow [2022-02-10 21:56:05,283 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 314122 states, 314115 states have (on average 5.120876112251882) internal successors, (1608544), 314121 states have internal predecessors, (1608544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:56:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 314122 states, 314115 states have (on average 5.120876112251882) internal successors, (1608544), 314121 states have internal predecessors, (1608544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:56:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-10 21:56:05,792 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:56:05,792 INFO L515 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] [2022-02-10 21:56:05,793 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 21:56:05,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:56:05,793 INFO L85 PathProgramCache]: Analyzing trace with hash 536743157, now seen corresponding path program 1 times [2022-02-10 21:56:05,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:56:05,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363248866] [2022-02-10 21:56:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:56:05,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:56:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:56:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:56:05,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:56:05,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363248866] [2022-02-10 21:56:05,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363248866] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:56:05,894 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:56:05,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:56:05,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884476365] [2022-02-10 21:56:05,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:56:05,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:56:05,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:56:05,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:56:05,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:56:06,385 INFO L87 Difference]: Start difference. First operand has 314122 states, 314115 states have (on average 5.120876112251882) internal successors, (1608544), 314121 states have internal predecessors, (1608544), 0 states have call successors, (0), 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 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:56:13,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:56:13,674 INFO L93 Difference]: Finished difference Result 395670 states and 1949950 transitions. [2022-02-10 21:56:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 21:56:13,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-02-10 21:56:13,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:56:18,566 INFO L225 Difference]: With dead ends: 395670 [2022-02-10 21:56:18,566 INFO L226 Difference]: Without dead ends: 353657 [2022-02-10 21:56:18,566 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-02-10 21:56:18,567 INFO L934 BasicCegarLoop]: 145 mSDtfsCounter, 435 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:56:18,567 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 690 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:56:19,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353657 states. [2022-02-10 21:56:32,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353657 to 314117. [2022-02-10 21:56:33,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314117 states, 314111 states have (on average 4.969666773847462) internal successors, (1561027), 314116 states have internal predecessors, (1561027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:56:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314117 states to 314117 states and 1561027 transitions. [2022-02-10 21:56:36,661 INFO L78 Accepts]: Start accepts. Automaton has 314117 states and 1561027 transitions. Word has length 40 [2022-02-10 21:56:36,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:56:36,661 INFO L470 AbstractCegarLoop]: Abstraction has 314117 states and 1561027 transitions. [2022-02-10 21:56:36,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:56:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 314117 states and 1561027 transitions. [2022-02-10 21:56:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-10 21:56:36,687 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:56:36,687 INFO L515 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] [2022-02-10 21:56:36,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 21:56:36,688 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 21:56:36,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:56:36,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1362336001, now seen corresponding path program 1 times [2022-02-10 21:56:36,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:56:36,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388009219] [2022-02-10 21:56:36,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:56:36,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:56:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:56:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:56:36,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:56:36,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388009219] [2022-02-10 21:56:36,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388009219] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:56:36,784 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:56:36,784 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 21:56:36,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686038575] [2022-02-10 21:56:36,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:56:36,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 21:56:36,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:56:36,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 21:56:36,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-02-10 21:56:36,786 INFO L87 Difference]: Start difference. First operand 314117 states and 1561027 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)