/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 12:17:10,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 12:17:10,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 12:17:10,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-07 12:17:10,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-07 12:17:10,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-07 12:17:10,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-07 12:17:10,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-07 12:17:10,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-07 12:17:10,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-07 12:17:10,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-07 12:17:10,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-07 12:17:10,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 12:17:10,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 12:17:10,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 12:17:10,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 12:17:10,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 12:17:10,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 12:17:10,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 12:17:10,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 12:17:10,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 12:17:10,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 12:17:10,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 12:17:10,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 12:17:10,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-07 12:17:10,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-07 12:17:10,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-07 12:17:10,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-07 12:17:10,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-07 12:17:10,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-07 12:17:10,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-07 12:17:10,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-07 12:17:10,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-07 12:17:10,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-07 12:17:10,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-07 12:17:10,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-07 12:17:10,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-07 12:17:10,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-07 12:17:10,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 12:17:10,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 12:17:10,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 12:17:10,122 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-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 12:17:10,156 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 12:17:10,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 12:17:10,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 12:17:10,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 12:17:10,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 12:17:10,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 12:17:10,160 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 12:17:10,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 12:17:10,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 12:17:10,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 12:17:10,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 12:17:10,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 12:17:10,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 12:17:10,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 12:17:10,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 12:17:10,162 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 12:17:10,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 12:17:10,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 12:17:10,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 12:17:10,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 12:17:10,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 12:17:10,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 12:17:10,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 12:17:10,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 12:17:10,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 12:17:10,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 12:17:10,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 12:17:10,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 12:17:10,163 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 12:17:10,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 12:17:10,164 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 12:17:10,164 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 12:17:10,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 12:17:10,164 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 12:17:10,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 12:17:10,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 12:17:10,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 12:17:10,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 12:17:10,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 12:17:10,540 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 12:17:10,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2021-06-07 12:17:10,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce2317a0b/b0dff3ab0944440e80c004f1054abdcc/FLAG557f8f625 [2021-06-07 12:17:11,115 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 12:17:11,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2021-06-07 12:17:11,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce2317a0b/b0dff3ab0944440e80c004f1054abdcc/FLAG557f8f625 [2021-06-07 12:17:11,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce2317a0b/b0dff3ab0944440e80c004f1054abdcc [2021-06-07 12:17:11,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 12:17:11,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 12:17:11,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 12:17:11,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 12:17:11,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 12:17:11,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2a3710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11, skipping insertion in model container [2021-06-07 12:17:11,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 12:17:11,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 12:17:11,812 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/triangular-2.i[30952,30965] [2021-06-07 12:17:11,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 12:17:11,823 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 12:17:11,851 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/triangular-2.i[30952,30965] [2021-06-07 12:17:11,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 12:17:11,911 INFO L208 MainTranslator]: Completed translation [2021-06-07 12:17:11,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11 WrapperNode [2021-06-07 12:17:11,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 12:17:11,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 12:17:11,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 12:17:11,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 12:17:11,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 12:17:11,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 12:17:11,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 12:17:11,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 12:17:11,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (1/1) ... [2021-06-07 12:17:11,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 12:17:11,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 12:17:11,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 12:17:11,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 12:17:11,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 12:17:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-07 12:17:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-07 12:17:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-07 12:17:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-07 12:17:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 12:17:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 12:17:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 12:17:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 12:17:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 12:17:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 12:17:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 12:17:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 12:17:12,060 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 12:17:12,313 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 12:17:12,314 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-07 12:17:12,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 12:17:12 BoogieIcfgContainer [2021-06-07 12:17:12,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 12:17:12,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 12:17:12,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 12:17:12,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 12:17:12,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 12:17:11" (1/3) ... [2021-06-07 12:17:12,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479c1b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 12:17:12, skipping insertion in model container [2021-06-07 12:17:12,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:17:11" (2/3) ... [2021-06-07 12:17:12,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479c1b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 12:17:12, skipping insertion in model container [2021-06-07 12:17:12,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 12:17:12" (3/3) ... [2021-06-07 12:17:12,322 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2021-06-07 12:17:12,327 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 12:17:12,327 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 12:17:12,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 12:17:12,328 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 12:17:12,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,353 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,353 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,356 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,358 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,358 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,359 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,359 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,359 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,359 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,359 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,360 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,360 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,360 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,360 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,360 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,361 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,361 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,361 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,361 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,374 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,374 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,374 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,375 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,377 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,377 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,377 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,378 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,378 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,378 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,391 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,391 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,392 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,392 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,392 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,392 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:17:12,397 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 12:17:12,422 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-06-07 12:17:12,480 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 12:17:12,487 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 12:17:12,488 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 12:17:12,488 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 12:17:12,489 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 12:17:12,489 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 12:17:12,489 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 12:17:12,489 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 12:17:12,544 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:12,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:12,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1469362044, now seen corresponding path program 1 times [2021-06-07 12:17:12,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:12,557 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728172400] [2021-06-07 12:17:12,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:12,753 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:12,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728172400] [2021-06-07 12:17:12,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728172400] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:17:12,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:17:12,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 12:17:12,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800309002] [2021-06-07 12:17:12,758 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-07 12:17:12,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:12,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-07 12:17:12,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-07 12:17:12,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:12,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:12,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:12,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:12,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:12,787 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 12:17:12,787 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:12,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:12,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1046779940, now seen corresponding path program 1 times [2021-06-07 12:17:12,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:12,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982747551] [2021-06-07 12:17:12,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:12,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:12,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982747551] [2021-06-07 12:17:12,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982747551] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:17:12,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:17:12,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 12:17:12,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033431793] [2021-06-07 12:17:12,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 12:17:12,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:12,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 12:17:12,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 12:17:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:12,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:12,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:12,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:12,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:12,933 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 12:17:12,934 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:12,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:12,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1373767411, now seen corresponding path program 1 times [2021-06-07 12:17:12,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:12,935 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628690511] [2021-06-07 12:17:12,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:13,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:13,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628690511] [2021-06-07 12:17:13,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628690511] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:17:13,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:17:13,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 12:17:13,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930871432] [2021-06-07 12:17:13,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 12:17:13,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:13,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 12:17:13,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 12:17:13,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:13,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:13,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:13,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:13,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:13,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:13,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:13,061 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 12:17:13,061 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:13,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:13,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1291074913, now seen corresponding path program 1 times [2021-06-07 12:17:13,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:13,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618601999] [2021-06-07 12:17:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:13,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:13,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:13,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618601999] [2021-06-07 12:17:13,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618601999] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:17:13,223 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:17:13,223 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-07 12:17:13,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473580371] [2021-06-07 12:17:13,223 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 12:17:13,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:13,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 12:17:13,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-07 12:17:13,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:13,225 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:13,225 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:13,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:13,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:13,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:13,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:13,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:13,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 12:17:13,677 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:13,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:13,679 INFO L82 PathProgramCache]: Analyzing trace with hash -621893083, now seen corresponding path program 1 times [2021-06-07 12:17:13,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:13,679 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405405327] [2021-06-07 12:17:13,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:13,755 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:13,755 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405405327] [2021-06-07 12:17:13,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405405327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:13,755 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509598235] [2021-06-07 12:17:13,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:13,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-07 12:17:13,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:14,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509598235] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:14,045 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:14,045 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-07 12:17:14,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528207374] [2021-06-07 12:17:14,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 12:17:14,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:14,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 12:17:14,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-07 12:17:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:14,047 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:14,047 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:14,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:14,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:14,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:14,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:14,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:14,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:14,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:14,501 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:14,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:14,501 INFO L82 PathProgramCache]: Analyzing trace with hash 800917913, now seen corresponding path program 2 times [2021-06-07 12:17:14,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:14,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979548000] [2021-06-07 12:17:14,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-07 12:17:14,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:14,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979548000] [2021-06-07 12:17:14,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979548000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:14,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390154558] [2021-06-07 12:17:14,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:14,616 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 12:17:14,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:17:14,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-07 12:17:14,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-07 12:17:14,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390154558] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:14,749 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:14,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-07 12:17:14,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239388134] [2021-06-07 12:17:14,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 12:17:14,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:14,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 12:17:14,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-07 12:17:14,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:14,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:14,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:14,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:14,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:15,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:15,285 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:15,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:15,285 INFO L82 PathProgramCache]: Analyzing trace with hash -666936255, now seen corresponding path program 1 times [2021-06-07 12:17:15,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:15,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319061723] [2021-06-07 12:17:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:15,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:15,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319061723] [2021-06-07 12:17:15,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319061723] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:15,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838020708] [2021-06-07 12:17:15,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:15,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 12:17:15,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:15,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838020708] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:15,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:15,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-07 12:17:15,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742120717] [2021-06-07 12:17:15,553 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 12:17:15,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:15,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 12:17:15,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-07 12:17:15,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:15,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:15,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:15,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:15,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:15,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:15,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:15,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:15,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:15,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:16,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:16,149 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:16,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:16,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1462297013, now seen corresponding path program 2 times [2021-06-07 12:17:16,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:16,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139794736] [2021-06-07 12:17:16,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:16,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:16,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139794736] [2021-06-07 12:17:16,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139794736] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:16,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664681468] [2021-06-07 12:17:16,215 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:16,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 12:17:16,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:17:16,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-07 12:17:16,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:16,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664681468] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:16,412 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:16,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-06-07 12:17:16,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255197937] [2021-06-07 12:17:16,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 12:17:16,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:16,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 12:17:16,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-07 12:17:16,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:16,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:16,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:16,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:16,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:16,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:16,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:16,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:16,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:16,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:16,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:16,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:16,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:17,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:17,061 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:17,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:17,062 INFO L82 PathProgramCache]: Analyzing trace with hash 2086446273, now seen corresponding path program 3 times [2021-06-07 12:17:17,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:17,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634518654] [2021-06-07 12:17:17,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:17:17,142 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:17,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634518654] [2021-06-07 12:17:17,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634518654] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:17,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30973925] [2021-06-07 12:17:17,142 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:17,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-07 12:17:17,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:17:17,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-07 12:17:17,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:17,408 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-07 12:17:17,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30973925] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:17,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:17,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2021-06-07 12:17:17,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392309322] [2021-06-07 12:17:17,409 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 12:17:17,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:17,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 12:17:17,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-06-07 12:17:17,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:17,410 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:17,410 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.588235294117647) internal successors, (112), 17 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:17,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:17,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:17,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:17,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:17,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:17,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:17,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:17,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:17,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-07 12:17:20,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:20,129 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:20,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:20,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1261735964, now seen corresponding path program 3 times [2021-06-07 12:17:20,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:20,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067225046] [2021-06-07 12:17:20,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-06-07 12:17:20,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:20,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067225046] [2021-06-07 12:17:20,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067225046] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:20,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870682276] [2021-06-07 12:17:20,212 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:20,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 12:17:20,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:17:20,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 12:17:20,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-06-07 12:17:20,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870682276] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:20,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:20,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-07 12:17:20,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535794775] [2021-06-07 12:17:20,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 12:17:20,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:20,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 12:17:20,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-07 12:17:20,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:20,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:20,474 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:20,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:20,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:20,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:20,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:20,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:20,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:20,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:20,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:20,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-07 12:17:20,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-07 12:17:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:21,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-07 12:17:21,545 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:21,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:21,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1980399466, now seen corresponding path program 4 times [2021-06-07 12:17:21,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:21,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626563692] [2021-06-07 12:17:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-07 12:17:21,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:21,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626563692] [2021-06-07 12:17:21,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626563692] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:21,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753107759] [2021-06-07 12:17:21,676 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:21,755 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 12:17:21,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:17:21,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 12:17:21,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-07 12:17:21,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753107759] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:21,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:21,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 13 [2021-06-07 12:17:21,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897398245] [2021-06-07 12:17:21,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 12:17:21,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:21,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 12:17:21,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-07 12:17:21,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:21,948 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:21,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:21,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-07 12:17:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:23,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:23,389 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-07 12:17:23,389 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:23,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:23,389 INFO L82 PathProgramCache]: Analyzing trace with hash 393891055, now seen corresponding path program 4 times [2021-06-07 12:17:23,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:23,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888117572] [2021-06-07 12:17:23,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 76 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-07 12:17:23,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:23,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888117572] [2021-06-07 12:17:23,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888117572] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:23,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251929773] [2021-06-07 12:17:23,504 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:23,591 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 12:17:23,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:17:23,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-07 12:17:23,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-07 12:17:23,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251929773] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:17:23,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-07 12:17:23,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-06-07 12:17:23,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979292181] [2021-06-07 12:17:23,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 12:17:23,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:23,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 12:17:23,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-07 12:17:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:23,765 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:23,765 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:23,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:23,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:23,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:23,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:23,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:23,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:23,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:23,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:23,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-06-07 12:17:23,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:23,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:23,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:25,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 12:17:25,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:25,297 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:25,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:25,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1017024389, now seen corresponding path program 5 times [2021-06-07 12:17:25,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:25,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520906805] [2021-06-07 12:17:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 5 proven. 53 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-07 12:17:25,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:25,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520906805] [2021-06-07 12:17:25,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520906805] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:25,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945395650] [2021-06-07 12:17:25,373 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 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 [2021-06-07 12:17:25,454 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 12:17:25,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:17:25,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-07 12:17:25,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 5 proven. 53 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-07 12:17:25,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945395650] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:25,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:25,588 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-06-07 12:17:25,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266374382] [2021-06-07 12:17:25,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 12:17:25,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:25,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 12:17:25,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-07 12:17:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:25,589 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:25,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 12:17:25,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:27,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:27,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:27,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:27,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:27,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:27,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:27,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:27,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:27,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-06-07 12:17:27,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:27,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:27,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 12:17:27,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:27,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 12:17:27,257 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:27,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:27,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1491177759, now seen corresponding path program 5 times [2021-06-07 12:17:27,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:27,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117220093] [2021-06-07 12:17:27,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-07 12:17:27,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:27,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117220093] [2021-06-07 12:17:27,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117220093] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:27,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234562613] [2021-06-07 12:17:27,376 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 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 [2021-06-07 12:17:27,454 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 12:17:27,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:17:27,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 12:17:27,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-07 12:17:27,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234562613] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:27,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:27,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 14 [2021-06-07 12:17:27,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019538494] [2021-06-07 12:17:27,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 12:17:27,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:27,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 12:17:27,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-06-07 12:17:27,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:27,627 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:27,627 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 14 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 12:17:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 12:17:29,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-07 12:17:29,652 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:29,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:29,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1972178758, now seen corresponding path program 6 times [2021-06-07 12:17:29,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:29,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808935941] [2021-06-07 12:17:29,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:29,726 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 79 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-07 12:17:29,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:29,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808935941] [2021-06-07 12:17:29,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808935941] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:29,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535498452] [2021-06-07 12:17:29,727 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 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 [2021-06-07 12:17:29,807 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-07 12:17:29,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:17:29,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 12:17:29,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:29,949 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 79 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-07 12:17:29,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535498452] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:29,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:29,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-06-07 12:17:29,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707889886] [2021-06-07 12:17:29,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 12:17:29,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:29,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 12:17:29,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-06-07 12:17:29,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:29,951 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:29,951 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 7.076923076923077) internal successors, (92), 13 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:29,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:29,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:29,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:29,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 12:17:29,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-07 12:17:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 12:17:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 12:17:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 12:17:31,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-07 12:17:31,837 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:31,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:31,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1737460992, now seen corresponding path program 6 times [2021-06-07 12:17:31,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:31,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794381951] [2021-06-07 12:17:31,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:17:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:17:31,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:17:31,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794381951] [2021-06-07 12:17:31,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794381951] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:31,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567549622] [2021-06-07 12:17:31,993 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 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 [2021-06-07 12:17:32,088 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-07 12:17:32,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 12:17:32,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-07 12:17:32,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 12:17:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:17:32,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567549622] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 12:17:32,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 12:17:32,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 17 [2021-06-07 12:17:32,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185884484] [2021-06-07 12:17:32,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 12:17:32,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:17:32,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 12:17:32,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2021-06-07 12:17:32,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:32,317 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:17:32,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 7.0) internal successors, (119), 17 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 12:17:32,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:32,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 12:17:32,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 12:17:32,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:34,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 12:17:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 12:17:34,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-07 12:17:34,777 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:17:34,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:17:34,777 INFO L82 PathProgramCache]: Analyzing trace with hash 26762961, now seen corresponding path program 7 times [2021-06-07 12:17:34,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:17:34,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448492341] [2021-06-07 12:17:34,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:17:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-07 12:17:34,789 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-07 12:17:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-07 12:17:34,804 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-07 12:17:34,841 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-07 12:17:34,841 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-07 12:17:34,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-07 12:17:34,855 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 12:17:34,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 12:17:34 BasicIcfg [2021-06-07 12:17:34,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 12:17:34,942 INFO L168 Benchmark]: Toolchain (without parser) took 23530.06 ms. Allocated memory was 337.6 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 300.7 MB in the beginning and 1.9 GB in the end (delta: -1.6 GB). Peak memory consumption was 932.1 MB. Max. memory is 16.0 GB. [2021-06-07 12:17:34,942 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 337.6 MB. Free memory is still 318.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 12:17:34,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.00 ms. Allocated memory is still 337.6 MB. Free memory was 300.6 MB in the beginning and 302.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. [2021-06-07 12:17:34,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.62 ms. Allocated memory is still 337.6 MB. Free memory was 302.8 MB in the beginning and 300.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 12:17:34,943 INFO L168 Benchmark]: Boogie Preprocessor took 26.13 ms. Allocated memory is still 337.6 MB. Free memory was 300.7 MB in the beginning and 299.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 12:17:34,943 INFO L168 Benchmark]: RCFGBuilder took 323.56 ms. Allocated memory is still 337.6 MB. Free memory was 299.4 MB in the beginning and 276.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-07 12:17:34,943 INFO L168 Benchmark]: TraceAbstraction took 22624.90 ms. Allocated memory was 337.6 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 276.6 MB in the beginning and 1.9 GB in the end (delta: -1.6 GB). Peak memory consumption was 907.5 MB. Max. memory is 16.0 GB. [2021-06-07 12:17:34,943 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 337.6 MB. Free memory is still 318.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 497.00 ms. Allocated memory is still 337.6 MB. Free memory was 300.6 MB in the beginning and 302.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 51.62 ms. Allocated memory is still 337.6 MB. Free memory was 302.8 MB in the beginning and 300.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.13 ms. Allocated memory is still 337.6 MB. Free memory was 300.7 MB in the beginning and 299.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 323.56 ms. Allocated memory is still 337.6 MB. Free memory was 299.4 MB in the beginning and 276.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 22624.90 ms. Allocated memory was 337.6 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 276.6 MB in the beginning and 1.9 GB in the end (delta: -1.6 GB). Peak memory consumption was 907.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 933274, positive: 797319, positive conditional: 797319, positive unconditional: 0, negative: 135955, negative conditional: 135955, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 803002, positive: 797319, positive conditional: 797319, positive unconditional: 0, negative: 5683, negative conditional: 5683, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 803002, positive: 796093, positive conditional: 0, positive unconditional: 796093, negative: 6909, negative conditional: 0, negative unconditional: 6909, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 461, positive: 457, positive conditional: 0, positive unconditional: 457, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 461, positive: 457, positive conditional: 0, positive unconditional: 457, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 803002, positive: 795636, positive conditional: 0, positive unconditional: 795636, negative: 6905, negative conditional: 0, negative unconditional: 6905, unknown: 461, unknown conditional: 0, unknown unconditional: 461] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552, SemanticConditionEliminator.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82837, positive: 1226, positive conditional: 1226, positive unconditional: 0, negative: 81611, negative conditional: 14059, negative unconditional: 67552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 124, negative conditional: 120, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 214, negative conditional: 180, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82837, positive: 1193, positive conditional: 1193, positive unconditional: 0, negative: 81491, negative conditional: 13939, negative unconditional: 67552, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 490, Positive conditional cache size: 33, Positive unconditional cache size: 457, Negative cache size: 124, Negative conditional cache size: 120, Negative unconditional cache size: 4, Eliminated conditions: 67552 ], Maximal queried relation: 16, Independence queries for same thread: 130272 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; VAL [i=3, j=6] [L712] 0 pthread_t id1, id2; VAL [i=3, j=6] [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arg={0:0}, i=3, j=6] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6] [L696] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L716] 0 int condI = i >= (2*5 +6); VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k=0] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=0, k=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=2, k=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=3, k=2] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=2, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=4, k=3] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=4] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5] [L696] COND FALSE 1 !(k < 5) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=5, k=4] [L706] 2 j = i + 1 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L704] 2 k++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L704] COND FALSE 2 !(k < 5) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L719] 0 int condJ = j >= (2*5 +6); VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L721] COND TRUE 0 condI || condJ VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L722] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 22405.8ms, OverallIterations: 17, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.1ms, PartialOrderReductionTime: 15069.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 282, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 193.6ms SsaConstructionTime, 551.5ms SatisfiabilityAnalysisTime, 3172.4ms InterpolantComputationTime, 1960 NumberOfCodeBlocks, 1926 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 1841 ConstructedInterpolants, 0 QuantifiedInterpolants, 5835 SizeOfPredicates, 70 NumberOfNonLiveVariables, 1910 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 28 InterpolantComputations, 5 PerfectInterpolantSequences, 401/1238 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...