/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-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 07:52:11,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 07:52:11,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 07:52:11,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 07:52:11,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 07:52:11,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 07:52:11,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 07:52:11,344 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-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 07:52:11,361 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 07:52:11,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 07:52:11,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 07:52:11,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 07:52:11,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 07:52:11,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 07:52:11,363 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 07:52:11,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 07:52:11,363 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 07:52:11,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 07:52:11,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 07:52:11,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 07:52:11,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 07:52:11,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 07:52:11,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 07:52:11,364 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 07:52:11,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 07:52:11,364 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 07:52:11,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 07:52:11,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 07:52:11,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 07:52:11,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 07:52:11,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 07:52:11,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 07:52:11,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 07:52:11,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 07:52:11,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 07:52:11,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 07:52:11,375 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 07:52:11,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 07:52:11,376 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 07:52:11,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 07:52:11,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 07:52:11,376 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 07:52:11,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 07:52:11,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 07:52:11,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 07:52:11,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 07:52:11,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 07:52:11,653 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 07:52:11,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i [2021-07-10 07:52:11,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40cc5d91b/cece601d669c423884452d88d4b1f573/FLAG042d686bc [2021-07-10 07:52:12,118 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 07:52:12,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i [2021-07-10 07:52:12,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40cc5d91b/cece601d669c423884452d88d4b1f573/FLAG042d686bc [2021-07-10 07:52:12,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40cc5d91b/cece601d669c423884452d88d4b1f573 [2021-07-10 07:52:12,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 07:52:12,496 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 07:52:12,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 07:52:12,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 07:52:12,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 07:52:12,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146c4f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12, skipping insertion in model container [2021-07-10 07:52:12,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 07:52:12,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 07:52:12,733 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i[30035,30048] [2021-07-10 07:52:12,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 07:52:12,745 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 07:52:12,774 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i[30035,30048] [2021-07-10 07:52:12,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 07:52:12,814 INFO L208 MainTranslator]: Completed translation [2021-07-10 07:52:12,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12 WrapperNode [2021-07-10 07:52:12,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 07:52:12,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 07:52:12,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 07:52:12,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 07:52:12,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 07:52:12,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 07:52:12,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 07:52:12,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 07:52:12,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (1/1) ... [2021-07-10 07:52:12,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 07:52:12,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 07:52:12,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 07:52:12,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 07:52:12,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 07:52:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-07-10 07:52:12,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-07-10 07:52:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-07-10 07:52:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-07-10 07:52:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 07:52:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 07:52:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 07:52:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 07:52:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 07:52:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 07:52:12,944 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 07:52:13,261 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 07:52:13,261 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-07-10 07:52:13,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:52:13 BoogieIcfgContainer [2021-07-10 07:52:13,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 07:52:13,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 07:52:13,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 07:52:13,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 07:52:13,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:52:12" (1/3) ... [2021-07-10 07:52:13,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74102613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:52:13, skipping insertion in model container [2021-07-10 07:52:13,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:52:12" (2/3) ... [2021-07-10 07:52:13,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74102613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:52:13, skipping insertion in model container [2021-07-10 07:52:13,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:52:13" (3/3) ... [2021-07-10 07:52:13,268 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-1.i [2021-07-10 07:52:13,272 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 07:52:13,272 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 07:52:13,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 07:52:13,273 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 07:52:13,302 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,302 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,302 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,302 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,305 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,306 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,306 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,306 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,309 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,310 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,313 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,314 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,314 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:13,316 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 07:52:13,333 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 07:52:13,387 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:52:13,387 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:52:13,387 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:52:13,387 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:52:13,387 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:52:13,387 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:52:13,387 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:52:13,388 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork1======== [2021-07-10 07:52:13,473 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:13,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:13,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1312809399, now seen corresponding path program 1 times [2021-07-10 07:52:13,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:13,483 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315979395] [2021-07-10 07:52:13,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:13,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:13,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:13,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315979395] [2021-07-10 07:52:13,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315979395] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:52:13,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:52:13,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 07:52:13,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882924273] [2021-07-10 07:52:13,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 07:52:13,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:13,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 07:52:13,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 07:52:13,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:13,657 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:13,662 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:13,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:13,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:13,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 07:52:13,670 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:13,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:13,673 INFO L82 PathProgramCache]: Analyzing trace with hash -897695477, now seen corresponding path program 1 times [2021-07-10 07:52:13,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:13,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894824904] [2021-07-10 07:52:13,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:13,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:13,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894824904] [2021-07-10 07:52:13,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894824904] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:52:13,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:52:13,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 07:52:13,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063243612] [2021-07-10 07:52:13,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 07:52:13,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:13,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 07:52:13,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-10 07:52:13,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:13,846 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:13,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:13,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:13,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:14,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 07:52:14,040 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:14,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:14,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1682175375, now seen corresponding path program 1 times [2021-07-10 07:52:14,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:14,041 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586289689] [2021-07-10 07:52:14,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:14,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:14,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586289689] [2021-07-10 07:52:14,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586289689] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:52:14,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:52:14,293 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-10 07:52:14,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655314925] [2021-07-10 07:52:14,294 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 07:52:14,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:14,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 07:52:14,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-07-10 07:52:14,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,295 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:14,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:14,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:14,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:14,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:14,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 07:52:14,545 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork1 was SAFE (1/2) [2021-07-10 07:52:14,547 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-10 07:52:14,562 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:52:14,563 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:52:14,563 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:52:14,563 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:52:14,563 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:52:14,563 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:52:14,563 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:52:14,563 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 07:52:14,593 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-10 07:52:14,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:14,594 INFO L82 PathProgramCache]: Analyzing trace with hash -287603050, now seen corresponding path program 1 times [2021-07-10 07:52:14,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:14,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091477603] [2021-07-10 07:52:14,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 07:52:14,614 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:14,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091477603] [2021-07-10 07:52:14,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091477603] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:52:14,614 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:52:14,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 07:52:14,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324753433] [2021-07-10 07:52:14,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 07:52:14,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:14,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 07:52:14,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 07:52:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,615 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:14,615 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:14,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 07:52:14,617 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-10 07:52:14,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:14,617 INFO L82 PathProgramCache]: Analyzing trace with hash -821612, now seen corresponding path program 1 times [2021-07-10 07:52:14,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:14,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163684417] [2021-07-10 07:52:14,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 07:52:14,632 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 07:52:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 07:52:14,643 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 07:52:14,659 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-10 07:52:14,659 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-10 07:52:14,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-10 07:52:14,661 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2021-07-10 07:52:14,661 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-10 07:52:14,661 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-07-10 07:52:14,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,675 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,675 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,675 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,675 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,675 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,675 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,675 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,675 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,676 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,678 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,678 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,678 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,678 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,678 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,688 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,688 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,691 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 07:52:14,692 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-10 07:52:14,707 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:52:14,707 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:52:14,707 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:52:14,707 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:52:14,707 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:52:14,707 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:52:14,707 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:52:14,707 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 07:52:14,754 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-10 07:52:14,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:14,754 INFO L82 PathProgramCache]: Analyzing trace with hash -717902706, now seen corresponding path program 1 times [2021-07-10 07:52:14,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:14,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959268835] [2021-07-10 07:52:14,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-07-10 07:52:14,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:14,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959268835] [2021-07-10 07:52:14,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959268835] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:52:14,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:52:14,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 07:52:14,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567628170] [2021-07-10 07:52:14,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 07:52:14,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:14,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 07:52:14,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 07:52:14,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:14,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:14,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,790 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-10 07:52:14,790 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-10 07:52:14,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:14,790 INFO L82 PathProgramCache]: Analyzing trace with hash 599698790, now seen corresponding path program 1 times [2021-07-10 07:52:14,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:14,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606750535] [2021-07-10 07:52:14,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 07:52:14,802 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 07:52:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 07:52:14,812 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 07:52:14,818 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-10 07:52:14,819 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-10 07:52:14,819 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-10 07:52:14,820 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2021-07-10 07:52:14,820 WARN L243 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-10 07:52:14,820 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-07-10 07:52:14,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,837 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,837 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,838 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,838 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:14,842 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 07:52:14,842 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-10 07:52:14,853 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:52:14,853 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:52:14,853 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:52:14,853 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:52:14,853 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:52:14,853 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:52:14,853 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:52:14,853 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread3of3ForFork1======== [2021-07-10 07:52:14,857 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread3of3ForFork1 was SAFE (1/4) [2021-07-10 07:52:14,857 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 07:52:14,866 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:52:14,866 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:52:14,866 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:52:14,866 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:52:14,866 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:52:14,866 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:52:14,866 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:52:14,866 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 07:52:14,928 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-10 07:52:14,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:14,928 INFO L82 PathProgramCache]: Analyzing trace with hash 858798591, now seen corresponding path program 1 times [2021-07-10 07:52:14,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:14,928 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664062601] [2021-07-10 07:52:14,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-07-10 07:52:14,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:14,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664062601] [2021-07-10 07:52:14,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664062601] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:52:14,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:52:14,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 07:52:14,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569618072] [2021-07-10 07:52:14,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 07:52:14,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:14,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 07:52:14,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 07:52:14,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:14,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:14,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:14,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-10 07:52:14,969 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-10 07:52:14,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:14,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1484773086, now seen corresponding path program 1 times [2021-07-10 07:52:14,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:14,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402055687] [2021-07-10 07:52:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 07:52:14,993 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 07:52:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 07:52:15,019 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 07:52:15,033 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-10 07:52:15,049 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-10 07:52:15,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-10 07:52:15,051 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/4) [2021-07-10 07:52:15,051 WARN L243 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-10 07:52:15,051 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-07-10 07:52:15,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,065 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,070 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,070 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,070 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,070 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,070 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,071 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,071 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,071 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,071 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,071 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,072 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,072 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,072 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:52:15,078 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 07:52:15,078 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 07:52:15,115 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:52:15,116 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:52:15,116 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:52:15,116 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:52:15,116 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:52:15,116 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:52:15,116 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:52:15,116 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread3of4ForFork1======== [2021-07-10 07:52:15,119 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread3of4ForFork1 was SAFE (1/5) [2021-07-10 07:52:15,119 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 07:52:15,126 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:52:15,126 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:52:15,126 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:52:15,127 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:52:15,127 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:52:15,127 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:52:15,127 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:52:15,127 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread4of4ForFork1======== [2021-07-10 07:52:15,130 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread4of4ForFork1 was SAFE (2/5) [2021-07-10 07:52:15,131 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-10 07:52:15,142 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:52:15,142 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:52:15,142 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:52:15,142 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:52:15,142 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:52:15,142 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:52:15,142 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:52:15,142 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread2of4ForFork1======== [2021-07-10 07:52:15,146 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread2of4ForFork1 was SAFE (3/5) [2021-07-10 07:52:15,146 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 07:52:15,150 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:52:15,150 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:52:15,150 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:52:15,150 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:52:15,150 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:52:15,150 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:52:15,150 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:52:15,150 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of4ForFork1======== [2021-07-10 07:52:15,192 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:15,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:15,193 INFO L82 PathProgramCache]: Analyzing trace with hash -982251853, now seen corresponding path program 1 times [2021-07-10 07:52:15,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:15,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698860922] [2021-07-10 07:52:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:15,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:15,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:15,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698860922] [2021-07-10 07:52:15,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698860922] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:52:15,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:52:15,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 07:52:15,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354955052] [2021-07-10 07:52:15,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 07:52:15,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:15,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 07:52:15,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 07:52:15,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,204 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:15,204 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-10 07:52:15,205 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:15,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:15,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1914495286, now seen corresponding path program 1 times [2021-07-10 07:52:15,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:15,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956307956] [2021-07-10 07:52:15,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:15,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:15,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:15,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956307956] [2021-07-10 07:52:15,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956307956] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:52:15,265 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:52:15,265 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 07:52:15,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350343556] [2021-07-10 07:52:15,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 07:52:15,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:15,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 07:52:15,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-10 07:52:15,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,265 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:15,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:15,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:15,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-10 07:52:15,401 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:15,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:15,401 INFO L82 PathProgramCache]: Analyzing trace with hash 2090491865, now seen corresponding path program 1 times [2021-07-10 07:52:15,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:15,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769027733] [2021-07-10 07:52:15,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:15,595 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:15,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769027733] [2021-07-10 07:52:15,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769027733] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:52:15,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:52:15,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-10 07:52:15,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941653559] [2021-07-10 07:52:15,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 07:52:15,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:15,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 07:52:15,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-07-10 07:52:15,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,597 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:15,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:15,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:15,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:15,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-10 07:52:15,730 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:15,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:15,730 INFO L82 PathProgramCache]: Analyzing trace with hash 436521350, now seen corresponding path program 1 times [2021-07-10 07:52:15,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:15,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342874326] [2021-07-10 07:52:15,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:16,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:16,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342874326] [2021-07-10 07:52:16,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342874326] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:16,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870016752] [2021-07-10 07:52:16,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:16,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 07:52:16,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:52:16,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:16,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870016752] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:16,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:52:16,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 27 [2021-07-10 07:52:16,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372744362] [2021-07-10 07:52:16,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 07:52:16,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:16,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 07:52:16,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2021-07-10 07:52:16,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:16,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:16,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 4.074074074074074) internal successors, (110), 27 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:17,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:17,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:17,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 07:52:17,431 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:17,431 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:17,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:17,431 INFO L82 PathProgramCache]: Analyzing trace with hash 281811070, now seen corresponding path program 1 times [2021-07-10 07:52:17,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:17,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272134706] [2021-07-10 07:52:17,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:17,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:17,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272134706] [2021-07-10 07:52:17,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272134706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:17,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429605938] [2021-07-10 07:52:17,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:17,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 07:52:17,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:52:17,970 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:17,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429605938] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:17,970 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:52:17,970 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-10 07:52:17,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383416897] [2021-07-10 07:52:17,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 07:52:17,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:17,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 07:52:17,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2021-07-10 07:52:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:17,971 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:17,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 5.3076923076923075) internal successors, (138), 26 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 07:52:17,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 07:52:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 07:52:18,717 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 07:52:18,717 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:18,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:18,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1656749273, now seen corresponding path program 1 times [2021-07-10 07:52:18,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:18,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766928529] [2021-07-10 07:52:18,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:19,032 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:19,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766928529] [2021-07-10 07:52:19,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766928529] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:19,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102732293] [2021-07-10 07:52:19,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:19,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:52:19,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:52:19,593 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:19,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102732293] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:19,593 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:52:19,593 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:52:19,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622003411] [2021-07-10 07:52:19,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:52:19,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:19,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:52:19,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1261, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:52:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:19,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:19,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.315789473684211) internal successors, (164), 38 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:19,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:19,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:19,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:19,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 07:52:19,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 07:52:19,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 07:52:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 07:52:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:52:21,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:21,056 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:21,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:21,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1745411185, now seen corresponding path program 2 times [2021-07-10 07:52:21,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:21,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973496868] [2021-07-10 07:52:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:21,194 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 07:52:21,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:21,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973496868] [2021-07-10 07:52:21,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973496868] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:21,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120088687] [2021-07-10 07:52:21,194 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:21,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 07:52:21,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:52:21,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:52:21,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:52:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 07:52:21,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120088687] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:21,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:52:21,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 07:52:21,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085179836] [2021-07-10 07:52:21,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 07:52:21,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:21,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 07:52:21,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=766, Unknown=0, NotChecked=0, Total=870 [2021-07-10 07:52:21,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:21,692 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:21,692 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 5.066666666666666) internal successors, (152), 30 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 07:52:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 07:52:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:52:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 07:52:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 07:52:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:52:23,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-10 07:52:23,769 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:23,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:23,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1499023031, now seen corresponding path program 1 times [2021-07-10 07:52:23,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:23,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103803206] [2021-07-10 07:52:23,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 07:52:23,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:23,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103803206] [2021-07-10 07:52:23,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103803206] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:23,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757762851] [2021-07-10 07:52:23,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:23,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 07:52:23,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:52:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:24,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757762851] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:24,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:52:24,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-07-10 07:52:24,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588027731] [2021-07-10 07:52:24,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 07:52:24,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:24,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 07:52:24,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2021-07-10 07:52:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:24,256 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:24,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 5.583333333333333) internal successors, (134), 24 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 07:52:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 07:52:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:52:24,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 07:52:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 07:52:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:52:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 07:52:27,478 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:27,479 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:27,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:27,479 INFO L82 PathProgramCache]: Analyzing trace with hash -387129091, now seen corresponding path program 3 times [2021-07-10 07:52:27,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:27,479 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703318926] [2021-07-10 07:52:27,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:27,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:27,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703318926] [2021-07-10 07:52:27,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703318926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:27,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857424356] [2021-07-10 07:52:27,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:27,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 07:52:27,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:52:27,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:52:27,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:52:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 07:52:28,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857424356] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:28,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:52:28,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:52:28,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165019150] [2021-07-10 07:52:28,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:52:28,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:28,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:52:28,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1256, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:52:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:28,297 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:28,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.105263157894737) internal successors, (156), 38 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:28,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:28,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 07:52:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 07:52:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:52:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 07:52:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 07:52:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-10 07:52:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:52:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 07:52:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-10 07:52:31,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-10 07:52:31,365 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:31,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:31,365 INFO L82 PathProgramCache]: Analyzing trace with hash 895296335, now seen corresponding path program 4 times [2021-07-10 07:52:31,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:31,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121113385] [2021-07-10 07:52:31,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 07:52:31,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:31,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121113385] [2021-07-10 07:52:31,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121113385] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:31,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780655619] [2021-07-10 07:52:31,493 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:31,564 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 07:52:31,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:52:31,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:52:31,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:52:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 07:52:31,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780655619] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:31,951 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:52:31,951 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 07:52:31,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208694426] [2021-07-10 07:52:31,952 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 07:52:31,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:31,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 07:52:31,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=766, Unknown=0, NotChecked=0, Total=870 [2021-07-10 07:52:31,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:31,954 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:31,954 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 5.066666666666666) internal successors, (152), 30 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 07:52:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-10 07:52:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:52:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 07:52:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-10 07:52:31,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 07:52:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:52:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 07:52:35,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:52:35,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-10 07:52:35,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:52:35,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-10 07:52:35,529 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:35,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:35,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2063961338, now seen corresponding path program 1 times [2021-07-10 07:52:35,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:35,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199037461] [2021-07-10 07:52:35,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-10 07:52:35,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:35,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199037461] [2021-07-10 07:52:35,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199037461] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:35,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816804271] [2021-07-10 07:52:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:35,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 07:52:35,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:52:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:36,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816804271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:36,064 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:52:36,064 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 28 [2021-07-10 07:52:36,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259742602] [2021-07-10 07:52:36,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 07:52:36,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:36,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 07:52:36,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=665, Unknown=0, NotChecked=0, Total=756 [2021-07-10 07:52:36,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:36,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:36,066 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 5.464285714285714) internal successors, (153), 28 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:52:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:43,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 07:52:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 07:52:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 07:52:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:52:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-10 07:52:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 07:52:43,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-07-10 07:52:43,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-07-10 07:52:43,388 INFO L430 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:43,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:43,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1380837199, now seen corresponding path program 5 times [2021-07-10 07:52:43,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:43,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004418762] [2021-07-10 07:52:43,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 28 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 07:52:43,547 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:43,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004418762] [2021-07-10 07:52:43,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004418762] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:43,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900881311] [2021-07-10 07:52:43,547 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:43,683 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 07:52:43,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:52:43,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 07:52:43,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:52:44,210 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 28 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:52:44,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900881311] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:44,211 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:52:44,211 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23] total 41 [2021-07-10 07:52:44,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758823728] [2021-07-10 07:52:44,211 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-10 07:52:44,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:44,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-10 07:52:44,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1513, Unknown=0, NotChecked=0, Total=1640 [2021-07-10 07:52:44,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:44,212 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:44,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 4.170731707317073) internal successors, (171), 41 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:44,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-07-10 07:52:44,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 07:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-07-10 07:52:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:52:46,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-07-10 07:52:46,046 INFO L430 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:52:46,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:52:46,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1775618931, now seen corresponding path program 6 times [2021-07-10 07:52:46,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:52:46,047 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004840736] [2021-07-10 07:52:46,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:52:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:52:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-10 07:52:46,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:52:46,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004840736] [2021-07-10 07:52:46,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004840736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:46,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339297672] [2021-07-10 07:52:46,187 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:52:46,264 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-07-10 07:52:46,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:52:46,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:52:46,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:52:46,612 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-10 07:52:46,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339297672] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:52:46,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:52:46,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 07:52:46,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181697732] [2021-07-10 07:52:46,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 07:52:46,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:52:46,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 07:52:46,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=766, Unknown=0, NotChecked=0, Total=870 [2021-07-10 07:52:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:46,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:52:46,613 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 4.466666666666667) internal successors, (134), 30 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:52:46,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:46,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:52:46,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:52:46,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 07:52:46,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 07:52:46,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 07:52:46,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 07:52:46,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:52:46,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-10 07:52:46,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 07:52:46,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-07-10 07:52:46,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:52:46,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:52:48,945 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 16 [2021-07-10 07:52:59,667 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2021-07-10 07:53:07,249 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 23 [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2021-07-10 07:53:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:07,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:08,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 07:53:08,119 INFO L430 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:53:08,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:53:08,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1446663906, now seen corresponding path program 2 times [2021-07-10 07:53:08,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:53:08,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521619380] [2021-07-10 07:53:08,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:53:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:53:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:53:08,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:53:08,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521619380] [2021-07-10 07:53:08,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521619380] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:08,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570865994] [2021-07-10 07:53:08,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:53:08,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 07:53:08,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:53:08,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 07:53:08,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:53:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-10 07:53:08,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570865994] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:08,565 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:53:08,565 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2021-07-10 07:53:08,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458478306] [2021-07-10 07:53:08,565 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 07:53:08,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:53:08,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 07:53:08,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2021-07-10 07:53:08,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:08,566 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:53:08,566 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 4.32) internal successors, (108), 25 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:08,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:08,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:12,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 07:53:12,887 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-07-10 07:53:12,887 INFO L430 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:53:12,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:53:12,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1363111014, now seen corresponding path program 2 times [2021-07-10 07:53:12,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:53:12,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677439964] [2021-07-10 07:53:12,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:53:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:53:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-10 07:53:12,991 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:53:12,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677439964] [2021-07-10 07:53:12,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677439964] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:12,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945681363] [2021-07-10 07:53:12,991 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:53:13,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 07:53:13,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:53:13,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 07:53:13,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:53:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-10 07:53:13,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945681363] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:13,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:53:13,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-10 07:53:13,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607732898] [2021-07-10 07:53:13,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 07:53:13,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:53:13,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 07:53:13,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2021-07-10 07:53:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:13,332 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:53:13,332 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.846153846153846) internal successors, (126), 26 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:53:13,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:13,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 07:53:13,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 07:53:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:53:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-10 07:53:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2021-07-10 07:53:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 07:53:16,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:53:16,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:53:16,482 INFO L430 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:53:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:53:16,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1433235261, now seen corresponding path program 7 times [2021-07-10 07:53:16,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:53:16,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457962707] [2021-07-10 07:53:16,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:53:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:53:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:53:16,926 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:53:16,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457962707] [2021-07-10 07:53:16,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457962707] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:16,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889551987] [2021-07-10 07:53:16,926 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:53:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:53:16,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:53:16,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:53:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-10 07:53:17,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889551987] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:17,358 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:53:17,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:53:17,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148561558] [2021-07-10 07:53:17,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:53:17,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:53:17,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:53:17,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1253, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:53:17,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:17,359 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:53:17,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.157894736842105) internal successors, (158), 38 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:53:17,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:17,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:53:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 07:53:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:53:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-10 07:53:22,843 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:53:22,843 INFO L430 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:53:22,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:53:22,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1794011917, now seen corresponding path program 8 times [2021-07-10 07:53:22,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:53:22,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292540863] [2021-07-10 07:53:22,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:53:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:53:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:53:23,091 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:53:23,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292540863] [2021-07-10 07:53:23,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292540863] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:23,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221548288] [2021-07-10 07:53:23,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:53:23,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 07:53:23,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:53:23,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:53:23,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:53:23,547 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-10 07:53:23,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221548288] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:23,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:53:23,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:53:23,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948015169] [2021-07-10 07:53:23,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:53:23,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:53:23,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:53:23,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1246, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:53:23,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:23,549 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:53:23,549 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.105263157894737) internal successors, (156), 38 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-10 07:53:23,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:24,277 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-07-10 07:53:32,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 07:53:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-10 07:53:32,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-10 07:53:33,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-10 07:53:33,040 INFO L430 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:53:33,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:53:33,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1860831274, now seen corresponding path program 3 times [2021-07-10 07:53:33,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:53:33,041 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647990821] [2021-07-10 07:53:33,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:53:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:53:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 07:53:33,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:53:33,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647990821] [2021-07-10 07:53:33,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647990821] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:33,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724260984] [2021-07-10 07:53:33,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:53:33,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 07:53:33,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:53:33,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 07:53:33,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:53:33,499 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-10 07:53:33,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724260984] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:33,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:53:33,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 29 [2021-07-10 07:53:33,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24322215] [2021-07-10 07:53:33,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 07:53:33,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:53:33,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 07:53:33,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2021-07-10 07:53:33,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:33,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:53:33,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 4.655172413793103) internal successors, (135), 29 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-10 07:53:33,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2021-07-10 07:53:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:53:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 07:53:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-10 07:53:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 07:53:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 07:53:40,893 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:53:40,893 INFO L430 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:53:40,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:53:40,894 INFO L82 PathProgramCache]: Analyzing trace with hash 887142525, now seen corresponding path program 9 times [2021-07-10 07:53:40,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:53:40,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393953974] [2021-07-10 07:53:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:53:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:53:41,282 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:53:41,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:53:41,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393953974] [2021-07-10 07:53:41,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393953974] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:41,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022494341] [2021-07-10 07:53:41,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:53:41,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 07:53:41,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:53:41,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:53:41,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:53:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-10 07:53:41,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022494341] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:41,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:53:41,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:53:41,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277280039] [2021-07-10 07:53:41,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:53:41,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:53:41,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:53:41,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1255, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:53:41,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:41,731 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:53:41,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.157894736842105) internal successors, (158), 38 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:53:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:53:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 07:53:41,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:51,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2021-07-10 07:53:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-07-10 07:53:51,358 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-07-10 07:53:51,358 INFO L430 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:53:51,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:53:51,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1021403471, now seen corresponding path program 10 times [2021-07-10 07:53:51,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:53:51,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541151315] [2021-07-10 07:53:51,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:53:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:53:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:53:51,612 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:53:51,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541151315] [2021-07-10 07:53:51,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541151315] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:51,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629629142] [2021-07-10 07:53:51,612 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:53:51,682 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 07:53:51,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:53:51,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:53:51,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:53:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-10 07:53:52,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629629142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:53:52,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:53:52,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:53:52,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796728585] [2021-07-10 07:53:52,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:53:52,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:53:52,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:53:52,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1253, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:53:52,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:52,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:53:52,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.2631578947368425) internal successors, (162), 38 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:53:52,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 07:53:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-07-10 07:53:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2021-07-10 07:53:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2021-07-10 07:53:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2021-07-10 07:53:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:53:54,846 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:54:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:54:04,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:54:04,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-10 07:54:04,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-07-10 07:54:04,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-07-10 07:54:04,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-07-10 07:54:04,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-07-10 07:54:04,900 INFO L430 AbstractCegarLoop]: === Iteration 21 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:54:04,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:54:04,901 INFO L82 PathProgramCache]: Analyzing trace with hash 2028445627, now seen corresponding path program 11 times [2021-07-10 07:54:04,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:54:04,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457055070] [2021-07-10 07:54:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:54:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:54:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 07:54:05,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:54:05,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457055070] [2021-07-10 07:54:05,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457055070] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:54:05,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046805653] [2021-07-10 07:54:05,041 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:54:05,134 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 07:54:05,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:54:05,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 07:54:05,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:54:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:54:05,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046805653] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:54:05,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:54:05,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23] total 41 [2021-07-10 07:54:05,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619807417] [2021-07-10 07:54:05,662 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-10 07:54:05,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:54:05,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-10 07:54:05,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1516, Unknown=0, NotChecked=0, Total=1640 [2021-07-10 07:54:05,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:05,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:54:05,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 4.121951219512195) internal successors, (169), 41 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:54:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:54:05,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:54:05,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:54:05,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:54:05,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-07-10 07:54:05,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-07-10 07:54:05,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-07-10 07:54:05,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-07-10 07:54:05,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:13,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-07-10 07:54:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-07-10 07:54:13,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-10 07:54:13,782 INFO L430 AbstractCegarLoop]: === Iteration 22 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:54:13,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:54:13,782 INFO L82 PathProgramCache]: Analyzing trace with hash 375594915, now seen corresponding path program 12 times [2021-07-10 07:54:13,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:54:13,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220179828] [2021-07-10 07:54:13,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:54:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:54:14,001 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:54:14,002 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:54:14,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220179828] [2021-07-10 07:54:14,002 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220179828] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:54:14,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299345495] [2021-07-10 07:54:14,002 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:54:14,074 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 07:54:14,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:54:14,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:54:14,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:54:14,440 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 07:54:14,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299345495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:54:14,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:54:14,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:54:14,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264783068] [2021-07-10 07:54:14,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:54:14,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:54:14,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:54:14,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1242, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:54:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:14,441 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:54:14,441 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.052631578947368) internal successors, (154), 38 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:54:14,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:14,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:54:14,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:54:14,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2021-07-10 07:54:14,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:16,933 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2021-07-10 07:54:21,206 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 16 [2021-07-10 07:54:24,006 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-07-10 07:54:38,781 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2021-07-10 07:54:45,824 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-07-10 07:54:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:54:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:54:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:54:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:54:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-07-10 07:54:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2021-07-10 07:54:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-07-10 07:54:51,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:54:51,305 INFO L430 AbstractCegarLoop]: === Iteration 23 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:54:51,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:54:51,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1397066128, now seen corresponding path program 4 times [2021-07-10 07:54:51,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:54:51,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499626660] [2021-07-10 07:54:51,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:54:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:54:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:54:51,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:54:51,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499626660] [2021-07-10 07:54:51,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499626660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:54:51,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674977734] [2021-07-10 07:54:51,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:54:51,501 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 07:54:51,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:54:51,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 07:54:51,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:54:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:54:51,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674977734] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:54:51,894 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:54:51,894 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-10 07:54:51,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076027157] [2021-07-10 07:54:51,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-10 07:54:51,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:54:51,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-10 07:54:51,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1139, Unknown=0, NotChecked=0, Total=1260 [2021-07-10 07:54:51,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:51,895 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:54:51,895 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 4.0) internal successors, (144), 36 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 313 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-07-10 07:54:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2021-07-10 07:55:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-07-10 07:55:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-10 07:55:00,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-07-10 07:55:00,733 INFO L430 AbstractCegarLoop]: === Iteration 24 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:55:00,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:55:00,734 INFO L82 PathProgramCache]: Analyzing trace with hash 983606703, now seen corresponding path program 13 times [2021-07-10 07:55:00,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:55:00,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551785015] [2021-07-10 07:55:00,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:55:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:55:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:55:01,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:55:01,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551785015] [2021-07-10 07:55:01,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551785015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:55:01,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092751729] [2021-07-10 07:55:01,075 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:55:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:55:01,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:55:01,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:55:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-10 07:55:01,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092751729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:55:01,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:55:01,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:55:01,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129143416] [2021-07-10 07:55:01,507 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:55:01,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:55:01,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:55:01,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1260, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:55:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:01,508 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:55:01,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.9210526315789473) internal successors, (149), 38 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:55:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:55:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 313 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-10 07:55:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:10,306 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2021-07-10 07:55:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:55:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:55:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:55:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-07-10 07:55:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-07-10 07:55:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-10 07:55:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-07-10 07:55:14,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:55:14,247 INFO L430 AbstractCegarLoop]: === Iteration 25 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:55:14,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:55:14,247 INFO L82 PathProgramCache]: Analyzing trace with hash 54309919, now seen corresponding path program 5 times [2021-07-10 07:55:14,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:55:14,248 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277256919] [2021-07-10 07:55:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:55:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:55:14,372 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:55:14,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:55:14,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277256919] [2021-07-10 07:55:14,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277256919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:55:14,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591113152] [2021-07-10 07:55:14,372 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:55:14,439 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 07:55:14,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:55:14,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 07:55:14,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:55:14,750 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:55:14,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591113152] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:55:14,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:55:14,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-10 07:55:14,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548475069] [2021-07-10 07:55:14,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-10 07:55:14,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:55:14,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-10 07:55:14,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1136, Unknown=0, NotChecked=0, Total=1260 [2021-07-10 07:55:14,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:14,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:55:14,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 4.055555555555555) internal successors, (146), 36 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 313 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2021-07-10 07:55:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 07:55:14,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:55:14,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2021-07-10 07:55:14,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2021-07-10 07:55:14,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2021-07-10 07:55:14,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-07-10 07:55:14,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-10 07:55:14,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2021-07-10 07:55:14,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:55:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-07-10 07:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 07:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2021-07-10 07:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2021-07-10 07:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2021-07-10 07:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-07-10 07:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-10 07:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-07-10 07:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 07:55:22,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:55:22,969 INFO L430 AbstractCegarLoop]: === Iteration 26 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:55:22,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:55:22,969 INFO L82 PathProgramCache]: Analyzing trace with hash -829874031, now seen corresponding path program 14 times [2021-07-10 07:55:22,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:55:22,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887930275] [2021-07-10 07:55:22,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:55:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:55:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:55:23,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:55:23,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887930275] [2021-07-10 07:55:23,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887930275] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:55:23,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509934336] [2021-07-10 07:55:23,209 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:55:23,276 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 07:55:23,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:55:23,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:55:23,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:55:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-10 07:55:23,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509934336] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:55:23,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:55:23,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:55:23,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452885463] [2021-07-10 07:55:23,635 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:55:23,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:55:23,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:55:23,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1254, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:55:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:23,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:55:23,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.9210526315789473) internal successors, (149), 38 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 313 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-10 07:55:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2021-07-10 07:55:23,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 07:55:23,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:24,117 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 21 [2021-07-10 07:55:29,741 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 20 [2021-07-10 07:55:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:55:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:55:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:55:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-07-10 07:55:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-10 07:55:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-07-10 07:55:37,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-07-10 07:55:37,249 INFO L430 AbstractCegarLoop]: === Iteration 27 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:55:37,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:55:37,249 INFO L82 PathProgramCache]: Analyzing trace with hash 913997005, now seen corresponding path program 15 times [2021-07-10 07:55:37,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:55:37,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326003686] [2021-07-10 07:55:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:55:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:55:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:55:37,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:55:37,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326003686] [2021-07-10 07:55:37,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326003686] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:55:37,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772679968] [2021-07-10 07:55:37,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:55:37,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 07:55:37,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:55:37,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:55:37,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:55:37,941 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-10 07:55:37,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772679968] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:55:37,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:55:37,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:55:37,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425917685] [2021-07-10 07:55:37,942 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:55:37,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:55:37,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:55:37,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1251, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:55:37,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:37,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:55:37,943 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.026315789473684) internal successors, (153), 38 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 313 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-10 07:55:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-10 07:55:37,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2021-07-10 07:55:37,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-10 07:55:37,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-07-10 07:55:37,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:55:46,982 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2021-07-10 07:55:53,145 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 22 [2021-07-10 07:55:56,814 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2021-07-10 07:55:59,271 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 14 [2021-07-10 07:56:03,819 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-07-10 07:56:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 359 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:56:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-10 07:56:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-07-10 07:56:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 07:56:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-07-10 07:56:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-07-10 07:56:06,578 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:56:06,578 INFO L430 AbstractCegarLoop]: === Iteration 28 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:56:06,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:56:06,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1483362047, now seen corresponding path program 16 times [2021-07-10 07:56:06,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:56:06,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635014568] [2021-07-10 07:56:06,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:56:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:56:06,874 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2021-07-10 07:56:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:56:06,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:56:06,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635014568] [2021-07-10 07:56:06,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635014568] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:56:06,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026664869] [2021-07-10 07:56:06,939 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:56:07,012 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 07:56:07,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:56:07,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 07:56:07,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:56:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 51 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:56:07,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026664869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:56:07,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:56:07,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2021-07-10 07:56:07,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423875233] [2021-07-10 07:56:07,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-10 07:56:07,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:56:07,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-10 07:56:07,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1729, Unknown=0, NotChecked=0, Total=1892 [2021-07-10 07:56:07,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:07,440 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:56:07,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 3.909090909090909) internal successors, (172), 44 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:56:07,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:07,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:56:07,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:56:07,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:56:07,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:07,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-07-10 07:56:07,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 359 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-07-10 07:56:07,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:56:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:56:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:56:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-07-10 07:56:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:56:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-07-10 07:56:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 359 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-07-10 07:56:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-07-10 07:56:19,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,35 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:56:19,681 INFO L430 AbstractCegarLoop]: === Iteration 29 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:56:19,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:56:19,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1841652191, now seen corresponding path program 17 times [2021-07-10 07:56:19,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:56:19,682 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524200764] [2021-07-10 07:56:19,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:56:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:56:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:56:20,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:56:20,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524200764] [2021-07-10 07:56:20,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524200764] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:56:20,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085157760] [2021-07-10 07:56:20,108 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:56:20,180 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 07:56:20,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:56:20,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:56:20,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:56:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-07-10 07:56:20,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085157760] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:56:20,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:56:20,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 38 [2021-07-10 07:56:20,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796811800] [2021-07-10 07:56:20,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 07:56:20,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:56:20,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 07:56:20,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1242, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 07:56:20,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:20,509 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:56:20,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.789473684210526) internal successors, (144), 38 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 359 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:56:20,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-07-10 07:56:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:23,969 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-07-10 07:56:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 359 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 07:56:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-07-10 07:56:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-10 07:56:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-07-10 07:56:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-07-10 07:56:33,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:56:33,613 INFO L430 AbstractCegarLoop]: === Iteration 30 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:56:33,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:56:33,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1723815891, now seen corresponding path program 18 times [2021-07-10 07:56:33,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:56:33,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971113488] [2021-07-10 07:56:33,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:56:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:56:33,778 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 26 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:56:33,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:56:33,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971113488] [2021-07-10 07:56:33,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971113488] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:56:33,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963513275] [2021-07-10 07:56:33,779 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:56:33,853 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 07:56:33,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:56:33,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 07:56:33,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:56:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-07-10 07:56:34,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963513275] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:56:34,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:56:34,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 16] total 37 [2021-07-10 07:56:34,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315859181] [2021-07-10 07:56:34,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 07:56:34,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:56:34,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 07:56:34,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1202, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 07:56:34,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:34,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:56:34,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 4.108108108108108) internal successors, (152), 37 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 359 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-10 07:56:34,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-10 07:56:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2021-07-10 07:56:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 07:56:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-07-10 07:56:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-07-10 07:56:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-07-10 07:56:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-07-10 07:56:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:56:39,013 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2021-07-10 07:56:43,042 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25