/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_bench_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 07:13:43,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 07:13:43,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 07:13:43,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 07:13:43,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 07:13:43,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 07:13:43,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 07:13:43,767 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-NewStatesSleep-NoLbe-Random521.epf [2021-08-07 07:13:43,797 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 07:13:43,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 07:13:43,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 07:13:43,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 07:13:43,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 07:13:43,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 07:13:43,800 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 07:13:43,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 07:13:43,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 07:13:43,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 07:13:43,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 07:13:43,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 07:13:43,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 07:13:43,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 07:13:43,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 07:13:43,801 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 07:13:43,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 07:13:43,802 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 07:13:43,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 07:13:43,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 07:13:43,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 07:13:43,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 07:13:43,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 07:13:43,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 07:13:43,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 07:13:43,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 07:13:43,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 07:13:43,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 07:13:43,803 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-07 07:13:43,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 07:13:43,803 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 07:13:43,803 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 07:13:43,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 07:13:43,803 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 07:13:43,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-07 07:13:43,803 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 07:13:44,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 07:13:44,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 07:13:44,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 07:13:44,099 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 07:13:44,112 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 07:13:44,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench_longer-1.i [2021-08-07 07:13:44,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c3f9190/0a90bbd11de342a4b65c8b572575e862/FLAG06ef96b98 [2021-08-07 07:13:44,710 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 07:13:44,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longer-1.i [2021-08-07 07:13:44,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c3f9190/0a90bbd11de342a4b65c8b572575e862/FLAG06ef96b98 [2021-08-07 07:13:45,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c3f9190/0a90bbd11de342a4b65c8b572575e862 [2021-08-07 07:13:45,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 07:13:45,148 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 07:13:45,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 07:13:45,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 07:13:45,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 07:13:45,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77db5cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45, skipping insertion in model container [2021-08-07 07:13:45,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 07:13:45,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 07:13:45,569 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/fib_bench_longer-1.i[30927,30940] [2021-08-07 07:13:45,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 07:13:45,578 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 07:13:45,610 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/fib_bench_longer-1.i[30927,30940] [2021-08-07 07:13:45,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 07:13:45,638 INFO L208 MainTranslator]: Completed translation [2021-08-07 07:13:45,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45 WrapperNode [2021-08-07 07:13:45,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 07:13:45,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 07:13:45,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 07:13:45,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 07:13:45,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 07:13:45,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 07:13:45,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 07:13:45,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 07:13:45,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 07:13:45,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 07:13:45,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 07:13:45,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 07:13:45,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (1/1) ... [2021-08-07 07:13:45,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 07:13:45,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:45,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 07:13:45,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 07:13:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-08-07 07:13:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-08-07 07:13:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-08-07 07:13:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-08-07 07:13:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 07:13:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 07:13:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 07:13:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 07:13:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 07:13:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 07:13:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 07:13:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 07:13:45,812 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 07:13:46,144 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 07:13:46,144 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-07 07:13:46,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:13:46 BoogieIcfgContainer [2021-08-07 07:13:46,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 07:13:46,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 07:13:46,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 07:13:46,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 07:13:46,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 07:13:45" (1/3) ... [2021-08-07 07:13:46,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f09a31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:13:46, skipping insertion in model container [2021-08-07 07:13:46,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:13:45" (2/3) ... [2021-08-07 07:13:46,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f09a31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:13:46, skipping insertion in model container [2021-08-07 07:13:46,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:13:46" (3/3) ... [2021-08-07 07:13:46,153 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench_longer-1.i [2021-08-07 07:13:46,157 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 07:13:46,158 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 07:13:46,158 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 07:13:46,158 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 07:13:46,185 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,187 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,187 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,187 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,189 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,189 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,189 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,189 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,190 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,190 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,191 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,191 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,192 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,192 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,192 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,192 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,192 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,192 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,194 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,194 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,194 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,194 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,195 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,195 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,196 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,196 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,196 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,196 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,196 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,196 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,196 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,196 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,198 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,198 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,198 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,206 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,206 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,207 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,207 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:13:46,208 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 07:13:46,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 07:13:46,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:46,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 07:13:46,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 07:13:46,254 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 07:13:46,258 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 07:13:46,258 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-07 07:13:46,295 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:46,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:46,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1375169826, now seen corresponding path program 1 times [2021-08-07 07:13:46,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:46,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284254618] [2021-08-07 07:13:46,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:46,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:46,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:46,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:46,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284254618] [2021-08-07 07:13:46,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284254618] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 07:13:46,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 07:13:46,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 07:13:46,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821302266] [2021-08-07 07:13:46,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 07:13:46,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:13:46,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 07:13:46,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 07:13:46,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:46,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:13:46,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:13:46,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:46,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 07:13:46,506 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:46,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:46,509 INFO L82 PathProgramCache]: Analyzing trace with hash -597361216, now seen corresponding path program 1 times [2021-08-07 07:13:46,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:46,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147733853] [2021-08-07 07:13:46,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:46,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:46,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:46,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:46,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147733853] [2021-08-07 07:13:46,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147733853] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:46,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349311175] [2021-08-07 07:13:46,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:46,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:46,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:46,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:13:46,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 07:13:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:46,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-07 07:13:46,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:13:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:47,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349311175] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:47,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:13:47,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-07 07:13:47,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326914543] [2021-08-07 07:13:47,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 07:13:47,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:13:47,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 07:13:47,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-07 07:13:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:47,186 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:13:47,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:13:47,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:47,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:47,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-07 07:13:47,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-07 07:13:47,477 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:47,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:47,486 INFO L82 PathProgramCache]: Analyzing trace with hash -671256001, now seen corresponding path program 2 times [2021-08-07 07:13:47,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:47,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985140625] [2021-08-07 07:13:47,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:47,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:47,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:47,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985140625] [2021-08-07 07:13:47,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985140625] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:47,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668000907] [2021-08-07 07:13:47,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 07:13:47,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:47,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:47,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:13:47,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 07:13:47,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 07:13:47,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:13:47,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-07 07:13:47,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:13:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:47,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668000907] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:47,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:13:47,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-08-07 07:13:47,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974600043] [2021-08-07 07:13:47,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-07 07:13:47,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:13:47,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-07 07:13:47,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-07 07:13:47,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:47,988 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:13:47,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:13:47,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:47,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:47,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:48,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-07 07:13:48,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:48,275 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:48,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:48,275 INFO L82 PathProgramCache]: Analyzing trace with hash 642053408, now seen corresponding path program 3 times [2021-08-07 07:13:48,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:48,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281362039] [2021-08-07 07:13:48,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:48,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:48,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:48,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281362039] [2021-08-07 07:13:48,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281362039] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:48,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754852412] [2021-08-07 07:13:48,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 07:13:48,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:48,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:48,353 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:13:48,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 07:13:48,469 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-07 07:13:48,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:13:48,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-07 07:13:48,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:13:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:48,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754852412] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:48,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:13:48,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-08-07 07:13:48,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189026865] [2021-08-07 07:13:48,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-07 07:13:48,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:13:48,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-07 07:13:48,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-08-07 07:13:48,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:48,749 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:13:48,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:13:48,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:48,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:48,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:48,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:48,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-07 07:13:49,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:49,041 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:49,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:49,042 INFO L82 PathProgramCache]: Analyzing trace with hash 38868703, now seen corresponding path program 4 times [2021-08-07 07:13:49,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:49,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769653263] [2021-08-07 07:13:49,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:49,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:49,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:49,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769653263] [2021-08-07 07:13:49,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769653263] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:49,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759886757] [2021-08-07 07:13:49,174 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 07:13:49,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:49,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:49,175 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:13:49,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 07:13:49,301 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 07:13:49,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:13:49,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-07 07:13:49,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:13:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:49,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759886757] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:49,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:13:49,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-07 07:13:49,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479709100] [2021-08-07 07:13:49,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-07 07:13:49,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:13:49,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-07 07:13:49,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-07 07:13:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:49,641 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:13:49,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:13:49,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:49,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:49,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:49,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:49,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:49,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:49,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 07:13:49,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:49,950 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:49,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:49,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1671378048, now seen corresponding path program 5 times [2021-08-07 07:13:49,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:49,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807806880] [2021-08-07 07:13:49,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:49,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:50,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:50,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807806880] [2021-08-07 07:13:50,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807806880] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:50,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608479015] [2021-08-07 07:13:50,102 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 07:13:50,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:50,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:50,111 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:13:50,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 07:13:50,260 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-07 07:13:50,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:13:50,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-07 07:13:50,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:13:50,647 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:50,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608479015] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:50,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:13:50,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-08-07 07:13:50,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508554878] [2021-08-07 07:13:50,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 07:13:50,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:13:50,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 07:13:50,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-08-07 07:13:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:50,649 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:13:50,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 15 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:13:50,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:50,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:50,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:50,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:50,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:50,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:13:50,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 07:13:50,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:50,983 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:50,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:50,983 INFO L82 PathProgramCache]: Analyzing trace with hash 844591999, now seen corresponding path program 6 times [2021-08-07 07:13:50,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:50,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086674230] [2021-08-07 07:13:50,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:50,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:51,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:51,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086674230] [2021-08-07 07:13:51,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086674230] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:51,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532692242] [2021-08-07 07:13:51,220 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 07:13:51,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:51,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:51,221 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:13:51,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 07:13:51,390 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-07 07:13:51,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:13:51,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-07 07:13:51,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:13:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:52,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532692242] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:52,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:13:52,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-08-07 07:13:52,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714410130] [2021-08-07 07:13:52,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-07 07:13:52,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:13:52,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-07 07:13:52,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2021-08-07 07:13:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:52,340 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:13:52,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 24 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:13:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:13:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:13:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:13:52,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 07:13:52,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:52,852 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:52,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:52,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1417047575, now seen corresponding path program 7 times [2021-08-07 07:13:52,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:52,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591835908] [2021-08-07 07:13:52,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:52,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:53,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:53,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591835908] [2021-08-07 07:13:53,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591835908] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:53,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420779028] [2021-08-07 07:13:53,126 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 07:13:53,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:53,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:53,126 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:13:53,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 07:13:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:53,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-07 07:13:53,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:13:54,413 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:54,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420779028] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:54,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:13:54,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-08-07 07:13:54,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099459072] [2021-08-07 07:13:54,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-07 07:13:54,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:13:54,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-07 07:13:54,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2021-08-07 07:13:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:54,415 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:13:54,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.111111111111111) internal successors, (165), 27 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:13:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:13:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:13:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:54,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:54,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:54,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:54,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:54,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:54,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:13:54,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:13:54,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 07:13:54,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-07 07:13:54,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-08-07 07:13:54,941 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:54,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:54,941 INFO L82 PathProgramCache]: Analyzing trace with hash -768514300, now seen corresponding path program 8 times [2021-08-07 07:13:54,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:54,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193310939] [2021-08-07 07:13:54,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:54,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:55,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:55,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193310939] [2021-08-07 07:13:55,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193310939] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:55,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118135315] [2021-08-07 07:13:55,197 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 07:13:55,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:55,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:55,198 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:13:55,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-07 07:13:55,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 07:13:55,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:13:55,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-07 07:13:55,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:13:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:56,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118135315] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:56,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:13:56,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-08-07 07:13:56,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744983854] [2021-08-07 07:13:56,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-07 07:13:56,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:13:56,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-07 07:13:56,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2021-08-07 07:13:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:56,569 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:13:56,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.071428571428571) internal successors, (170), 28 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:13:56,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:56,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:56,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:56,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:56,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:56,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:13:56,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:13:56,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 07:13:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:13:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:13:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 07:13:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:13:56,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-07 07:13:57,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:57,138 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:57,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:57,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1627522505, now seen corresponding path program 9 times [2021-08-07 07:13:57,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:57,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824347569] [2021-08-07 07:13:57,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:57,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:57,368 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:57,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:57,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824347569] [2021-08-07 07:13:57,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824347569] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:57,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165891506] [2021-08-07 07:13:57,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 07:13:57,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:57,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:57,369 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:13:57,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-07 07:13:57,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-07 07:13:57,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:13:57,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 07:13:57,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:13:58,935 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:13:58,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165891506] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:58,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:13:58,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-08-07 07:13:58,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827981346] [2021-08-07 07:13:58,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-07 07:13:58,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:13:58,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-07 07:13:58,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=766, Unknown=0, NotChecked=0, Total=930 [2021-08-07 07:13:58,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:58,937 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:13:58,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.967741935483871) internal successors, (185), 31 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:13:58,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:58,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:58,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:58,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:58,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:58,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:13:58,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:13:58,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 07:13:58,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:13:58,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:13:59,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:13:59,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:13:59,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:13:59,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:13:59,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:13:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:13:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:13:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 07:13:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:13:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:13:59,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-07 07:13:59,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-07 07:13:59,581 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:13:59,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:13:59,582 INFO L82 PathProgramCache]: Analyzing trace with hash 555511524, now seen corresponding path program 10 times [2021-08-07 07:13:59,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:13:59,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037144971] [2021-08-07 07:13:59,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:13:59,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:13:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:13:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 76 proven. 21 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-08-07 07:13:59,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:13:59,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037144971] [2021-08-07 07:13:59,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037144971] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:13:59,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499146040] [2021-08-07 07:13:59,719 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 07:13:59,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:13:59,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:13:59,733 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:13:59,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-07 07:14:00,239 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 07:14:00,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:14:00,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-07 07:14:00,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:14:00,711 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-08-07 07:14:00,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499146040] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 07:14:00,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-07 07:14:00,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 17 [2021-08-07 07:14:00,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222831320] [2021-08-07 07:14:00,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 07:14:00,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:14:00,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 07:14:00,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2021-08-07 07:14:00,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:00,714 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:14:00,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 15 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:14:00,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:00,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:00,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:00,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:00,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:00,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:00,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:00,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 07:14:00,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:00,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:14:00,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 07:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:14:00,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:00,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-07 07:14:01,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-07 07:14:01,111 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:14:01,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:14:01,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1317510371, now seen corresponding path program 1 times [2021-08-07 07:14:01,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:14:01,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647898346] [2021-08-07 07:14:01,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:14:01,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:14:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:14:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:01,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:14:01,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647898346] [2021-08-07 07:14:01,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647898346] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:01,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567592424] [2021-08-07 07:14:01,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:14:01,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:14:01,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:14:01,360 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:14:01,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-07 07:14:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:14:01,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:14:01,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:14:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:03,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567592424] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:03,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:14:03,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:14:03,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549211365] [2021-08-07 07:14:03,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:14:03,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:14:03,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:14:03,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=874, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 07:14:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:03,060 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:14:03,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:04,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 07:14:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:14:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:04,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 07:14:04,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-07 07:14:04,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-07 07:14:04,297 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:14:04,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:14:04,297 INFO L82 PathProgramCache]: Analyzing trace with hash 5717508, now seen corresponding path program 2 times [2021-08-07 07:14:04,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:14:04,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770160869] [2021-08-07 07:14:04,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:14:04,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:14:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:14:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 107 proven. 21 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-08-07 07:14:04,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:14:04,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770160869] [2021-08-07 07:14:04,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770160869] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:04,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276468794] [2021-08-07 07:14:04,412 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 07:14:04,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:14:04,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:14:04,413 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:14:04,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-07 07:14:04,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 07:14:04,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:14:04,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-07 07:14:04,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:14:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-08-07 07:14:05,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276468794] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 07:14:05,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-07 07:14:05,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 17 [2021-08-07 07:14:05,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434235677] [2021-08-07 07:14:05,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 07:14:05,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:14:05,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 07:14:05,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2021-08-07 07:14:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:05,446 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:14:05,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.8) internal successors, (87), 15 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:14:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:05,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 07:14:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:14:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 07:14:05,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 07:14:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:05,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-07 07:14:05,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-07 07:14:05,991 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:14:05,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:14:05,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1879237979, now seen corresponding path program 3 times [2021-08-07 07:14:05,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:14:05,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517634823] [2021-08-07 07:14:05,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:14:05,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:14:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:14:06,269 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:06,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:14:06,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517634823] [2021-08-07 07:14:06,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517634823] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:06,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989048711] [2021-08-07 07:14:06,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 07:14:06,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:14:06,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:14:06,270 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:14:06,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-07 07:14:06,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-07 07:14:06,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:14:06,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:14:06,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:14:08,249 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:08,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989048711] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:08,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:14:08,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:14:08,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991239573] [2021-08-07 07:14:08,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:14:08,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:14:08,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:14:08,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=867, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 07:14:08,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:08,251 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:14:08,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:14:08,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:08,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:08,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:14:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:14:09,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-07 07:14:09,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:14:09,294 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:14:09,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:14:09,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1709405277, now seen corresponding path program 4 times [2021-08-07 07:14:09,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:14:09,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835544065] [2021-08-07 07:14:09,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:14:09,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:14:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:14:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:09,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:14:09,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835544065] [2021-08-07 07:14:09,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835544065] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:09,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602190093] [2021-08-07 07:14:09,581 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 07:14:09,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:14:09,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:14:09,605 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:14:09,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-07 07:14:10,356 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 07:14:10,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:14:10,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:14:10,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:14:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:12,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602190093] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:12,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:14:12,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:14:12,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918993016] [2021-08-07 07:14:12,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:14:12,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:14:12,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:14:12,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=865, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 07:14:12,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:12,103 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:14:12,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:14:12,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:12,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:12,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:12,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:12,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:12,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:12,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:12,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:12,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 07:14:12,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:14:12,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:12,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:14:12,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:12,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:14:12,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:14:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-07 07:14:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-07 07:14:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-07 07:14:13,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-07 07:14:13,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-07 07:14:13,494 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:14:13,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:14:13,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1161688037, now seen corresponding path program 5 times [2021-08-07 07:14:13,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:14:13,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286480654] [2021-08-07 07:14:13,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:14:13,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:14:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:14:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:13,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:14:13,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286480654] [2021-08-07 07:14:13,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286480654] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:13,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124772128] [2021-08-07 07:14:13,799 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 07:14:13,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:14:13,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:14:13,800 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:14:13,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-07 07:14:14,608 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-08-07 07:14:14,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:14:14,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:14:14,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:14:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:20,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124772128] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:20,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:14:20,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:14:20,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527886290] [2021-08-07 07:14:20,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:14:20,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:14:20,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:14:20,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=865, Unknown=2, NotChecked=0, Total=1056 [2021-08-07 07:14:20,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:20,673 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:14:20,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:14:20,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:20,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:20,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-07 07:14:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:38,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:38,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:38,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:38,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:38,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:38,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 07:14:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:14:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-07 07:14:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-07 07:14:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:14:38,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-08-07 07:14:39,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-07 07:14:39,065 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:14:39,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:14:39,065 INFO L82 PathProgramCache]: Analyzing trace with hash 394848867, now seen corresponding path program 6 times [2021-08-07 07:14:39,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:14:39,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814451524] [2021-08-07 07:14:39,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:14:39,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:14:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:14:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:39,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:14:39,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814451524] [2021-08-07 07:14:39,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814451524] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:39,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604801965] [2021-08-07 07:14:39,327 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 07:14:39,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:14:39,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:14:39,327 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:14:39,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-07 07:14:40,254 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-07 07:14:40,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:14:40,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:14:40,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:14:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:41,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604801965] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:41,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:14:41,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:14:41,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780073822] [2021-08-07 07:14:41,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:14:41,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:14:41,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:14:41,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=869, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 07:14:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:41,601 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:14:41,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:14:41,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:14:41,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:14:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:51,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:14:51,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-07 07:14:51,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-07 07:14:51,661 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:14:51,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:14:51,662 INFO L82 PathProgramCache]: Analyzing trace with hash -284584251, now seen corresponding path program 7 times [2021-08-07 07:14:51,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:14:51,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496348753] [2021-08-07 07:14:51,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:14:51,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:14:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:14:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:51,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:14:51,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496348753] [2021-08-07 07:14:51,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496348753] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:51,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736189210] [2021-08-07 07:14:51,950 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 07:14:51,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:14:51,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:14:51,953 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:14:51,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-07 07:14:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:14:53,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:14:53,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:14:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:55,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736189210] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:55,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:14:55,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:14:55,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320434654] [2021-08-07 07:14:55,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:14:55,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:14:55,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:14:55,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=866, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 07:14:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:55,198 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:14:55,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:14:55,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:14:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:14:56,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-07 07:14:56,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-07 07:14:56,461 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:14:56,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:14:56,461 INFO L82 PathProgramCache]: Analyzing trace with hash -114751549, now seen corresponding path program 8 times [2021-08-07 07:14:56,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:14:56,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323970596] [2021-08-07 07:14:56,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:14:56,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:14:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:14:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:56,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:14:56,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323970596] [2021-08-07 07:14:56,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323970596] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:56,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660223545] [2021-08-07 07:14:56,762 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 07:14:56,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:14:56,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:14:56,763 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:14:56,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-07 07:14:57,912 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 07:14:57,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:14:57,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:14:57,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:14:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:14:59,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660223545] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:14:59,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:14:59,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:14:59,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481101772] [2021-08-07 07:14:59,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:14:59,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:14:59,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:14:59,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=860, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 07:14:59,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:14:59,254 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:14:59,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:14:59,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:14:59,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:14:59,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:14:59,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:14:59,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:14:59,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:14:59,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:59,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:14:59,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:15:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:15:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:15:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:15:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:15:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:15:00,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-07 07:15:00,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:15:00,461 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:15:00,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:15:00,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1538625531, now seen corresponding path program 9 times [2021-08-07 07:15:00,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:15:00,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542993290] [2021-08-07 07:15:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:15:00,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:15:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:15:00,679 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:15:00,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:15:00,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542993290] [2021-08-07 07:15:00,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542993290] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:15:00,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052723027] [2021-08-07 07:15:00,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 07:15:00,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:15:00,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:15:00,681 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:15:00,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-07 07:15:01,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-08-07 07:15:01,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:15:01,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:15:01,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:15:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:15:11,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052723027] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:15:11,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:15:11,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:15:11,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115221924] [2021-08-07 07:15:11,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:15:11,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:15:11,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:15:11,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=859, Unknown=3, NotChecked=0, Total=1056 [2021-08-07 07:15:11,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:15:11,210 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:15:11,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:15:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:15:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:15:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:16:03,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:16:03,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:16:03,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:16:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 07:16:03,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-07 07:16:03,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:16:03,792 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:16:03,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:16:03,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1989502595, now seen corresponding path program 10 times [2021-08-07 07:16:03,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:16:03,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093106294] [2021-08-07 07:16:03,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:16:03,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:16:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:16:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:16:04,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:16:04,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093106294] [2021-08-07 07:16:04,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093106294] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:16:04,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977275537] [2021-08-07 07:16:04,153 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 07:16:04,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:16:04,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:16:04,154 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:16:04,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-07 07:16:05,545 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 07:16:05,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:16:05,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:16:05,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:16:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:16:07,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977275537] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:16:07,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:16:07,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:16:07,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368707703] [2021-08-07 07:16:07,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:16:07,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:16:07,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:16:07,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=862, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 07:16:07,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:16:07,155 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:16:07,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:07,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:07,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:07,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 07:16:07,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:07,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 07:16:07,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-07 07:16:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-07 07:16:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 07:16:12,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-08-07 07:16:12,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:16:12,263 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:16:12,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:16:12,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1023899555, now seen corresponding path program 11 times [2021-08-07 07:16:12,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:16:12,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255326324] [2021-08-07 07:16:12,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:16:12,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:16:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:16:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:16:12,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:16:12,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255326324] [2021-08-07 07:16:12,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255326324] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:16:12,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317976946] [2021-08-07 07:16:12,530 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 07:16:12,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:16:12,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:16:12,531 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:16:12,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-07 07:16:14,062 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-08-07 07:16:14,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:16:14,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:16:14,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:16:16,815 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:16:16,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317976946] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:16:16,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:16:16,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:16:16,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048800374] [2021-08-07 07:16:16,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:16:16,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:16:16,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:16:16,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 07:16:16,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:16:16,817 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:16:16,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:16:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:16:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:16:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:16:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:16:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:16:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:16:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 07:16:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:16:18,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:16:18,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:16:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:16:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:18,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-07 07:16:18,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:18,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:18,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-07 07:16:18,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 07:16:18,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:16:18,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-08-07 07:16:19,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:16:19,017 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 07:16:19,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:16:19,018 INFO L82 PathProgramCache]: Analyzing trace with hash -399974427, now seen corresponding path program 12 times [2021-08-07 07:16:19,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:16:19,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491547382] [2021-08-07 07:16:19,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:16:19,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:16:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:16:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:16:19,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:16:19,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491547382] [2021-08-07 07:16:19,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491547382] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:16:19,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60891782] [2021-08-07 07:16:19,290 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 07:16:19,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:16:19,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:16:19,297 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:16:19,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-08-07 07:16:20,887 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-07 07:16:20,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:16:20,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 07:16:20,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:17:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:17:47,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60891782] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:17:47,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 07:17:47,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-08-07 07:17:47,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211105639] [2021-08-07 07:17:47,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 07:17:47,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:17:47,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 07:17:47,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=849, Unknown=31, NotChecked=0, Total=1056 [2021-08-07 07:17:47,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:17:47,388 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:17:47,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.03030303030303) internal successors, (199), 33 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:17:47,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 07:17:47,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 07:17:47,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 07:17:47,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 07:17:47,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 07:17:47,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 07:17:47,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:17:47,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 07:17:47,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 07:17:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:18:04,400 WARN L207 SmtUtils]: Spent 8.19 s on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2021-08-07 07:18:28,835 WARN L207 SmtUtils]: Spent 8.11 s on a formula simplification. DAG size of input: 92 DAG size of output: 91 Received shutdown request... [2021-08-07 07:28:23,527 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 07:28:23,540 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 07:28:23,540 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 07:28:24,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-08-07 07:28:24,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-07 07:28:24,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:28:24,535 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 62 known predicates. [2021-08-07 07:28:24,537 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 07:28:24,537 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 07:28:24,537 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 07:28:24,545 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 07:28:24,545 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 07:28:24,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 07:28:24 BasicIcfg [2021-08-07 07:28:24,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 07:28:24,546 INFO L168 Benchmark]: Toolchain (without parser) took 879398.76 ms. Allocated memory was 168.8 MB in the beginning and 789.6 MB in the end (delta: 620.8 MB). Free memory was 131.7 MB in the beginning and 467.5 MB in the end (delta: -335.9 MB). Peak memory consumption was 284.5 MB. Max. memory is 8.0 GB. [2021-08-07 07:28:24,546 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 168.8 MB. Free memory is still 149.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 07:28:24,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.76 ms. Allocated memory is still 168.8 MB. Free memory was 131.5 MB in the beginning and 142.8 MB in the end (delta: -11.3 MB). Peak memory consumption was 6.2 MB. Max. memory is 8.0 GB. [2021-08-07 07:28:24,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.61 ms. Allocated memory is still 168.8 MB. Free memory was 142.8 MB in the beginning and 140.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 07:28:24,546 INFO L168 Benchmark]: Boogie Preprocessor took 31.30 ms. Allocated memory is still 168.8 MB. Free memory was 140.8 MB in the beginning and 139.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 07:28:24,547 INFO L168 Benchmark]: RCFGBuilder took 429.74 ms. Allocated memory is still 168.8 MB. Free memory was 139.4 MB in the beginning and 118.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-08-07 07:28:24,547 INFO L168 Benchmark]: TraceAbstraction took 878397.96 ms. Allocated memory was 168.8 MB in the beginning and 789.6 MB in the end (delta: 620.8 MB). Free memory was 117.7 MB in the beginning and 467.5 MB in the end (delta: -349.8 MB). Peak memory consumption was 271.8 MB. Max. memory is 8.0 GB. [2021-08-07 07:28:24,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 168.8 MB. Free memory is still 149.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 488.76 ms. Allocated memory is still 168.8 MB. Free memory was 131.5 MB in the beginning and 142.8 MB in the end (delta: -11.3 MB). Peak memory consumption was 6.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.61 ms. Allocated memory is still 168.8 MB. Free memory was 142.8 MB in the beginning and 140.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.30 ms. Allocated memory is still 168.8 MB. Free memory was 140.8 MB in the beginning and 139.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 429.74 ms. Allocated memory is still 168.8 MB. Free memory was 139.4 MB in the beginning and 118.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 878397.96 ms. Allocated memory was 168.8 MB in the beginning and 789.6 MB in the end (delta: 620.8 MB). Free memory was 117.7 MB in the beginning and 467.5 MB in the end (delta: -349.8 MB). Peak memory consumption was 271.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 105759, positive: 98260, positive conditional: 98260, positive unconditional: 0, negative: 7499, negative conditional: 7499, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98364, positive: 98260, positive conditional: 98260, positive unconditional: 0, negative: 104, negative conditional: 104, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98364, positive: 98260, positive conditional: 98260, positive unconditional: 0, negative: 104, negative conditional: 104, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101290, positive: 98260, positive conditional: 98237, positive unconditional: 23, negative: 3030, negative conditional: 2926, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 101290, positive: 98260, positive conditional: 59449, positive unconditional: 38811, negative: 3030, negative conditional: 1472, negative unconditional: 1558, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101290, positive: 98260, positive conditional: 59449, positive unconditional: 38811, negative: 3030, negative conditional: 1472, negative unconditional: 1558, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 917, positive: 763, positive conditional: 606, positive unconditional: 157, negative: 154, negative conditional: 152, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 917, positive: 591, positive conditional: 0, positive unconditional: 591, negative: 326, negative conditional: 0, negative unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 326, positive: 172, positive conditional: 172, positive unconditional: 0, negative: 154, negative conditional: 152, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 434, positive: 224, positive conditional: 224, positive unconditional: 0, negative: 210, negative conditional: 185, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 101290, positive: 97497, positive conditional: 58843, positive unconditional: 38654, negative: 2876, negative conditional: 1320, negative unconditional: 1556, unknown: 917, unknown conditional: 758, unknown unconditional: 159] , Statistics on independence cache: Total cache size (in pairs): 917, Positive cache size: 763, Positive conditional cache size: 606, Positive unconditional cache size: 157, Negative cache size: 154, Negative conditional cache size: 152, Negative unconditional cache size: 2, Eliminated conditions: 40242, Maximal queried relation: 23, Independence queries for same thread: 7395 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 62 known predicates. - TimeoutResultAtElement [Line: 722]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 62 known predicates. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 62 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 878308.6ms, OverallIterations: 23, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 731737.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 753, 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: 248.6ms SsaConstructionTime, 821.0ms SatisfiabilityAnalysisTime, 126633.3ms InterpolantComputationTime, 4092 NumberOfCodeBlocks, 4084 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 4047 ConstructedInterpolants, 104 QuantifiedInterpolants, 41204 SizeOfPredicates, 84 NumberOfNonLiveVariables, 4330 ConjunctsInSsa, 343 ConjunctsInUnsatCore, 45 InterpolantComputations, 3 PerfectInterpolantSequences, 688/5390 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 could not prove your program: Timeout Completed graceful shutdown